ライフサイエンスコーパス: nonradiative

1 Counting method enabled the determination of nonradiative and radiative decay rate constants.

2 ns relying on their optical gain suffer from nonradiative Auger decay due to multi-excitonic nature o

3 hemistry, and they are primarily governed by nonradiative Auger processes.

4 tive are fast optical-gain relaxation due to nonradiative Auger recombination and poor stability of c

5 all emission intensity because of suppressed nonradiative Auger recombination for negative trions.

6 tion-remains unresolved, largely due to fast nonradiative Auger recombination of multicarrier states

7 these technologies has been hindered by the nonradiative Auger recombination of multiexciton states,

8 At higher excitation densities, nonradiative Auger recombination starts to dominate due

9 d that, despite a highly efficient intrinsic nonradiative Auger recombination, large optical gain can

10 ntermittency (blinking), photobleaching, and nonradiative Auger recombination.

11 mely short optical-gain lifetimes limited by nonradiative Auger recombination.

12 very short optical gain lifetimes limited by nonradiative Auger recombination.

13 photocarrier population that suppresses the nonradiative Auger recombination.

14 s exhibit suppressed blinking and diminished nonradiative Auger recombination.

15 core-excited Co(2+) in water by probing the nonradiative Auger-type electron emission channel using

16 its Pb-based counterparts, resulting in the nonradiative capture coefficient in CsSnI(3) being an or

17 or ESIPT and decreases the efficiency of the nonradiative channel.

18 ive channels are suppressed and well-defined nonradiative channels are engineered and quantified.

19 ate the merits of a system where ill-defined nonradiative channels are suppressed and well-defined no

20 Surface trap-mediated nonradiative charge recombination is a major limit to ac

21 g this issue by suppressing band tailing and nonradiative charge recombination is essential for enhan

22 The nonradiative charge recombination pathway involves a low

23 ly shown to induce deep-level defects, incur nonradiative charge recombination, and induce photocurre

24 ts in beta-CsPbI(3) are generally benign for nonradiative charge recombination, regardless of whether

25 Nonradiative charge-carrier recombination in transition-

26 ate that dielectric induced stabilization of nonradiative charge-transfer (CT) type states can lead t

27 rics ought to (i) include both radiative and nonradiative climate forcings; (ii) reconcile disparitie

28 o will determine whether fluctuations in the nonradiative component gamma(nr)(-1) of the lifetime dec

29 The nonradiative conversion of light energy into heat (photo

30 nimum energy structure in this excited state nonradiative crossing is evident as the central frequenc

31 rgies perform poorly because of an increased nonradiative CT state decay rate and that this decay obe

32 The nonradiative dark channels in the L-edge fluorescence sp

33 The mechanisms of nonradiative deactivation of a phenylalanine residue aft

34 The rate constants of radiative and nonradiative deactivation of B1-R3 have been found to be

35 Nonradiative deactivation of C-H and B-H oscillator grou

36 y decreasing their lifetime, probably due to nonradiative deactivation of excited states by N-H bonds

37 must protect the Ln(3+) cation by minimizing nonradiative deactivation pathways due to the presence o

38 tramolecular exciplex, providing alternative nonradiative deactivation pathways without significant c

39 d lifetime, indicating the formation of new, nonradiative deactivation pathways, probably involving c

40 Global fitting of the nonradiative deactivation rate differences of the isotop

41 al concepts has been applied with a focus on nonradiative deactivation through multiphonon relaxation

42 nsition metal ions, which leads to efficient nonradiative deactivation via metal-centered states.

43 perfectly harmonized to secure a low rate of nonradiative deactivation.

44 agnitudes of fluorescence (k(0)F), S1 --> S0 nonradiative decay (knr), S1 --> T1 ISC (kISC), and T1 -

45 e synthesizing rigid acceptor cores to limit nonradiative decay and employing strong electron-donatin

46 ole unit can protect the TADF unit, reducing nonradiative decay and enhancing TADF performance.

47 exhibit eumelanin's characteristic ultrafast nonradiative decay and its ability to absorb light from

48 The nonradiative decay and luminescence line width of pure g

49 The confined geometry restrains the nonradiative decay and significantly lengthens the excit

50 nt of charge-transfer interaction as well as nonradiative decay and supports emissive properties.

51 erse intersystem crossing, and radiative and nonradiative decay are considered in different systems,

52 iable degrees of spin forbiddenness into the nonradiative decay channel between the excited state and

53 he tau torsion) reaction, which is the major nonradiative decay channel of uGFPc.

54 ial excited-state population in <1 ps to two nonradiative decay channels within the manifold of singl

55 %, indicating nearly complete suppression of nonradiative decay channels.

56 in colloidal quantum dots by Auger and other nonradiative decay channels.

57 for the metabolite because of an increase in nonradiative decay channels.

58 Renner-Teller-based nonradiative decay does not occur in chromophores with a

59 n competes efficiently with fluorescence and nonradiative decay in closed photosystem II centers, whe

60 Although the mechanism behind slow nonradiative decay in DNA is still uncertain, these resu

61 etimes, suggesting a mechanism of suppressed nonradiative decay in PL enhancement.

62 rational modes, rationalizing the more rapid nonradiative decay in these systems.

63 e dependent, suggestive of a strong coupling nonradiative decay mechanism that promotes repopulation

64 decay mechanism was investigated by applying nonradiative decay models to temperature-dependent emiss

65 esent in the analyte targeting ligand L, and nonradiative decay occurs from (3)MLCT excited states.

66 hanistic experiments, we conclude that rapid nonradiative decay of the anthracene-substituted derivat

67 as a parameter the rate constant, k(nr), for nonradiative decay of the exciton at a site to which an

68 the relative probabilities of radiative and nonradiative decay of the QD exciton.

69 emission spectrum; the activation energy for nonradiative decay of the triplet state was considerably

70 Nonradiative decay of this latter species results in rin

71 emiquinone radical anion) as the predominant nonradiative decay pathway.

72 ed-state tautomerization is not an important nonradiative decay pathway.

73 tate acid/base reaction as the source of the nonradiative decay pathway.

74 y luminescent in fluid solution, ascribed to nonradiative decay pathways enabled by rotation of the N

75 show that base-pairing can measurably affect nonradiative decay pathways in A.T duplexes.

76 tems demonstrate a breakdown of the standard nonradiative decay pathways that normally lead to a sing

77 light, gold nanorods release energy through nonradiative decay pathways, locally generating heat tha

78 irm that N(O)-H bond fission is an important nonradiative decay process from their respective 1pisigm

79 to temperature changes originating from the nonradiative decay process.

80 ctional theory calculations of radiative and nonradiative decay properties and lifetimes to elucidate

81 merization, di-pi-methane rearrangement, and nonradiative decay provides rate constants and activatio

82 t of the radiative rate and a suppression of nonradiative decay rate (i.e., twice the PL lifetime of

83 Nonradiative decay rate constants and the luminescence m

84 iently suppress the normally large magnitude nonradiative decay rate constants characteristic of (por

85 aneous decrease of radiative and increase of nonradiative decay rate constants upon halogen-bonding i

86 h motion of charged defects that affects the nonradiative decay rate of the photoexcited species.

87 rightening results primarily from changes in nonradiative decay rates associated with exciton diffusi

88 ch as their quantum yield, and radiative and nonradiative decay rates have been difficult or impossib

89 On the other hand, the nonradiative decay rates in the case of TAA-PTM radicals

90 Consequently, the nonradiative decay rates of these ICT emitters are decre

91 the electronic structures and radiative and nonradiative decay rates.

92 r radiative transitions, enhance as well the nonradiative decay rates.

93 mdCyd, an energy barrier present on the main nonradiative decay route explains the 6-fold lengthening

94 scale is on the same order as the S(1)-S(0) nonradiative decay time obtained previously for the (6,4

95 e predict that pure graphane has a very long nonradiative decay time, on the order of 100 ns, while e

96 phyll pair that subsequently undergoes rapid nonradiative decay to the ground state via a short-lived

97 fewer methyl groups on the ligands implies a nonradiative decay via the multiphonon process mediated

98 ns) as expected from the energy gap law for nonradiative decay, (1) and too short-lived to be the ph

99 ecoil after photolysis, as well as ultrafast nonradiative decay, are explored as potential ways to ge

100 Such a distortion leads to a large rate of nonradiative decay, on the order of 10(8) s(-1).

101 in coplanar conformation manifest suppressed nonradiative decay, reduced structural reorganization, a

102 mission, which competes effectively with the nonradiative decay, to make the chromophores detectable,

103 To understand how the environment affects nonradiative decay, we performed the first solvent-depen

104 een found to rigidify the molecule to reduce nonradiative decay, yielding a high photoluminescence qu

105 ways-fluorescence, intersystem crossing, and nonradiative decay-are likely to dominate, resulting in

106 ate that serves as the principal pathway for nonradiative decay.

107 e (tau(F)), due to a decrease in the rate of nonradiative decay.

108 lifetime, consistent with a more pronounced nonradiative decay.

109 ergy gap and reorganization energy-dominates nonradiative decay.

110 boundaries were dimmer and exhibited faster nonradiative decay.

111 PPh(2))(2)C(6)H(3)) that features suppressed nonradiative decays, giving rise to a robust narrow-band

112 e thiophene unit lead to the acceleration of nonradiative decays, in conjunction with the narrowing o

113 vskite solar cells are typically dictated by nonradiative defect-mediated charge recombination.

114 r, the atomically thin structure is prone to nonradiative defects, challenging to scale for large-are

115 r interactions while effectively passivating nonradiative defects, preserving direct-gap monolayer ch

116 tenna pigment-protein complexes may increase nonradiative dissipation and, thus, quench chlorophyll a

117 d functions for specific xanthophylls in the nonradiative dissipation of excess absorbed light energy

118 Excess light triggers protective nonradiative dissipation of excitation energy in photosy

119 est, but challenges arise from the excessive nonradiative dissipation.

120 riving force and thus decreasing the rate of nonradiative electron transfer from excited CdSe.

121 Altogether, the compression delays the nonradiative electron-hole recombination by more than a

122 nadiabatic molecular dynamics simulations of nonradiative electron-hole recombination.

123 ethylmercury and its ability to facilitate a nonradiative electron/hole recombination are suggested a

124 plet intersystem crossing and suppression of nonradiative energy loss.

125 ions indicate that ISC can contribute to the nonradiative energy losses and low photoluminescence qua

126 in these materials should be long lived and nonradiative energy losses to heat should be slow.

127 o electronic ground states, in most cases by nonradiative energy release that generates heat.

128 Conversely, when the nonradiative energy transfer (NRET) efficiency is used t

129 old increase of MoS2 excitonic PL enabled by nonradiative energy transfer (NRET) from adjacent nanocr

130 ance energy transfer (BRET), which relies on nonradiative energy transfer between luciferase-coupled

131 jugated to dye-labeled protein acceptors for nonradiative energy transfer in a multiplexed format.

132 On the one hand, using nonradiative energy transfer, GOMs are conceived to deac

133 populations that were selectively engaged in nonradiative energy transfer.

134 determined by means of time-resolved dynamic nonradiative excitation energy transfer (TR-FRET) measur

135 parate photocurrents, yet similar yields for nonradiative excited-state decay from the photoacids and

136 on of concentration-dependent mechanisms for nonradiative excited-state decay.

137 on conjugate formation, indicating efficient nonradiative exciton transfer between QD donors and dye-

138 t near-unity PL QY at low exciton densities, nonradiative exciton-exciton annihilation (EEA) enhanced

139 a quantum system, insight can be gained into nonradiative factors as well, such as energy transfer ph

140 portant to elucidate the interaction between nonradiative fields and biological systems.

141 escence spectroscopy furnishes radiative and nonradiative fluorescence decay rates in various solvent

142 ge under 740-nm excitation, with efficiently nonradiative green species.

143 CdTe relative to the intrinsic radiative and nonradiative (heat dissipation and surface trapping) rec

144 ficiency of photosystem II by increasing the nonradiative (heat) dissipation of energy in the antenna

145 In contrast, a fast, nonradiative internal conversion governs the deactivatio

146 ygenated solutions, the radiative (k(r)) and nonradiative (k(nr)) relaxation rates are compared.

147 ission properties in solution, radiative and nonradiative kinetic constants being similar for meso- a

148 decay through different channels, including nonradiative Landau damping for the generation of plasmo

149 functional theory in order to determine the nonradiative lifetime and radiative line width of the lo

150 . + H. dissociation, and we explain the long nonradiative lifetimes of the T(1)((3)nn*) state at the

151 (1D) moire excitons with long radiative and nonradiative lifetimes, large binding energies, and deep

152 photoluminescence yields from suppression of nonradiative loss channels and high rates of radiative r

153 orrelating the fabrication conditions to the nonradiative loss channels, this work provides guideline

154 ter relative state energies, thereby slowing nonradiative loss of charge-transfer energy.

155 However, the origin of nonradiative losses and the underlying mechanism of supp

156 inherent disorder causing spatially varying nonradiative losses and therefore inhomogeneity.

157 n to be essential to suppress defect-induced nonradiative losses in FAPbI(3) active layers.

158 ve point defects are not responsible for the nonradiative losses in FAPbI(3).

159 devices as well as recent efforts to reduce nonradiative losses in neat films and interfaces are dis

160 The reduction of nonradiative losses in QSs also leads to suppressed blin

161 EDs), but still suffer from defects-mediated nonradiative losses, which represent a major efficiency-

162 the prevailing iodine management reduces the nonradiative losses.

163 Here, we developed a simple and nonradiative method to quantify the tumor uptake of targ

164 Transition rates due to radiative and nonradiative multiphonon emission processes are calculat

165 quantum yield (PLQY) measurements show that nonradiative open-circuit voltage (V(OC) ) losses outwei

166 sed that these results are consistent with a nonradiative pathway for deactivation of the singlet tha

167 in these strains suggest the existence of a nonradiative pathway of charge recombination between Q(A

168 (COFs), detailed properties of emissive and nonradiative pathways after photoexcitation need to be e

169 or ability of the anchored moieties rule the nonradiative pathways and, hence, have a deep impact in

170 is even more difficult to achieve as further nonradiative pathways come into play.

171 d) enables differentiation between competing nonradiative pathways of bond breaking, vibronic couplin

172 a protein microenvironment, and controlling nonradiative pathways through chromophore dynamics.

173 e and nonradiative pathways via the S(1) and nonradiative pathways via the (1)TT.

174 t to ground state through both radiative and nonradiative pathways via the S(1) and nonradiative path

175 fold is fundamental to understanding ensuing nonradiative pathways, especially those that involve con

176 Among various nonradiative pathways, sidewall chemisorption of oxygen

177 nce lifetime), indicating the suppression of nonradiative pathways.

178 Nonradiative photothermal (PT) and photoacoustic (PA) pr

179 me, we experimentally demonstrated efficient nonradiative power transfer over distances up to 8 times

180 ence was shown to be due to the turn-on of a nonradiative process by comparison of the laser-induced

181 main essentially constant, implying that the nonradiative process does not directly involve isomeriza

182 orster resonance energy transfer (FRET) is a nonradiative process for the transfer of energy from an

183 s of the triplet state are consistent with a nonradiative process involving Ir-N (Ir-C for fac-Ir(pmb

184 d to show that the most likely source of the nonradiative process is from the interaction of the pi p

185 into the complex interplay of radiative and nonradiative processes in 1D ionic semiconductors.

186 A detailed understanding of radiative and nonradiative processes in peptides containing an aromati

187 Nonradiative processes limit optoelectronic functionalit

188 with vibrational relaxation and radiative or nonradiative processes occurring in upper excited states

189 Nonradiative processes proportionately reduce photolumin

190 inescence quenching mechanisms revealed that nonradiative processes were not directly linked to therm

191 es and rate constants for both radiative and nonradiative processes were obtained using a Boltzmann a

192 The rates of two nonradiative processes, excited-state proton and electro

193 sional metal dichalcogenides is dominated by nonradiative processes, most notable among which is Auge

194 of NIR-II luminophores is largely limited by nonradiative processes.

195 total fluorination of the ligand circumvents nonradiative quenching from C(sp2)-H vibrations and lead

196 m of the rhodopsin lead to voltage-dependent nonradiative quenching of the appended fluorescent prote

197 irtually defect-free systems, suffering from nonradiative quenching only due to subpicosecond Auger-l

198 igurations of the emitters, but also promote nonradiative quenching pathways.

199 of fluorescence, fluorescence lifetimes, and nonradiative rate constants were also studied in methano

200 easure individual contributions to the total nonradiative rate for deactivation of the excited state,

201 The reported dyes have reduced nonradiative rates and enhanced emissive properties, ena

202 red for various applications, but increasing nonradiative rates cause severe fluorescence quenching f

203 itations (LE) on the PTM moiety; also, these nonradiative rates deviate significantly from the gap la

204 changes are usually caused by changes in the nonradiative rates resulting from quenching or resonance

205 paration increases, resulting in the smaller nonradiative rates.

206 ractions which drive hot carrier cooling and nonradiative recombination ( k(nonrad)).

207 d spontaneously spatially confined, reducing nonradiative recombination and boosting quantum efficien

208 ctronic states, leading to lower interfacial nonradiative recombination and charge transport resistan

209 Cl2 treatment of CdTe solar cells suppresses nonradiative recombination and enhances carrier lifetime

210 Additionally, alumina particles reduce nonradiative recombination and extend carrier lifetimes.

211 ice assembly are the main reasons that cause nonradiative recombination and material degradation, whi

212 nation of fast hole extraction and minimized nonradiative recombination at the hole-selective interfa

213 of surface electronic defects and suppresses nonradiative recombination by 40%, while minimizing mois

214 d the introduce of oxidization state and the nonradiative recombination center are responsible for th

215 Indeed, the dominant nonradiative recombination center in the Sn-based halide

216 were responsible for electron capture, while nonradiative recombination centers (V(Cd)-As(Te), As(2)

217 oor conditions in FAPbI(3), act as efficient nonradiative recombination centers and are proposed to b

218 e AlN templates, implying the suppression of nonradiative recombination centers in the epitaxial N-po

219 This work identifies the dominant nonradiative recombination centers in the widely used FA

220 s, and traps detrimentally cause significant nonradiative recombination energy loss and decreased pow

221 e-charge regions in the vicinity of GBs, the nonradiative recombination in GBs is significantly suppr

222 ystallization of MAPbI(3) , and regulate the nonradiative recombination in perovskite solar cells.

223 electrical stress, indicating a reduction in nonradiative recombination in the perovskite film.

224 the energy loss is strongly associated with nonradiative recombination in the perovskite layer and a

225 released surface residual stress, suppressed nonradiative recombination loss, and more n-type charact

226 en proven to be an effective way to minimize nonradiative recombination losses in perovskite solar ce

227 er conversion efficiencies (PCEs) because of nonradiative recombination losses, particularly at the p

228 rrier collection and thus partially mitigate nonradiative recombination losses.

229 toluminescence pattern change induced by the nonradiative recombination of carriers at GBs.

230 s spontaneously formed, resulting in reduced nonradiative recombination on the nanowire surface.

231 resence of amine, reducing significantly the nonradiative recombination pathways and subsequently enh

232 tron/hole injection into QDs, which prevents nonradiative recombination processes.

233 s (LEDs) due to their high color purity, low nonradiative recombination rates, and tunable bandgap.

234 esigned and developed, which possesses lower nonradiative recombination states, band edge disorder, a

235 bsorber regions, effectively suppressing the nonradiative recombination therein and leading to improv

236 higher quasi-Fermi level splitting, reduces nonradiative recombination, alleviates hysteresis instab

237 B-mitigated perovskite films exhibit reduced nonradiative recombination, and their corresponding meso

238 carrier and exciton migration, radiative and nonradiative recombination, multiexciton generation and

239 of iodide and cesium ions, which suppressed nonradiative recombination, thermal decomposition, and p

240 The treatment eliminates defect-mediated nonradiative recombination, thus resulting in a final QY

241 ptors for absorption, carrier transport, and nonradiative recombination, we identify 28 potential can

242 ritical role in charge-carrier transport and nonradiative recombination, which lowers the PLQYs, devi

243 er concentration of traps or phonon-assisted nonradiative recombination.

244 , enhanced charge extraction, and suppressed nonradiative recombination.

245 here all semiconductors suffer from enhanced nonradiative recombination.

246 cing ionic fluctuations which are related to nonradiative recombination.

247 lting in more homogeneous films with reduced nonradiative recombination.

248 excitation from the environment reduces the nonradiative recombination.

249 n Sn-based perovskite films, thereby serious nonradiative recombination.

250 f 0.14 V due to the efficient suppression of nonradiative recombination.

251 minescence for optical imaging; 2) Efficient nonradiative relaxation and local heating produced by co

252 terials with low phonon energies to minimize nonradiative relaxation and promote nonlinear processes

253 emely rapid, formally forbidden (DeltaS = 2) nonradiative relaxation as well as defining the time sca

254 oss beta arrangement effectively hinders the nonradiative relaxation channels usually operative in pr

255 The nonradiative relaxation from the S(n) state populates th

256 Pumping at 530 nm leads to ultrafast nonradiative relaxation from the singlet metal-to-ligand

257 strongly delocalized MLCT state, from which nonradiative relaxation is less dominant despite a sizab

258 photothermal (PT) microscopy (PTM), based on nonradiative relaxation of absorbed energy into heat.

259 Nonradiative relaxation of an excited analyte releases h

260 photoinduced electron transfer, resulting in nonradiative relaxation of excited Cu(II)-syn-2.

261 Nonradiative relaxation of high-energy excited states to

262 to a relatively weak ligand field, rendering nonradiative relaxation of MLCT states via metal-centere

263 r bond-breaking process is a new pathway for nonradiative relaxation of the optically excited electro

264 weak fluorescence of eumelanin points toward nonradiative relaxation on the timescale of picoseconds

265 ,5]-hydride shift as a chemically productive nonradiative relaxation pathway.

266 g its preferred excited state configuration, nonradiative relaxation pathways are minimized and quant

267 rms of the competition between radiative and nonradiative relaxation processes of the vibrational sta

268 ut becomes challenging due to typically fast nonradiative relaxation processes.

269 A reduced nonradiative relaxation rate is a nonintuitive consequen

270 combination of superradiance and a decreased nonradiative relaxation rate made the J-aggregate four t

271 the excited state energies results in large nonradiative relaxation rates and are thus a pathway tow

272 is commonly invoked to rationalize increased nonradiative relaxation rates with increasing emission w

273 Additionally, the S(n) --> S(1) nonradiative relaxation time is found to change by varyi

274 e's ability to use porphyrinic compounds for nonradiative relaxation to convert light into heat to fa

275 apolar solvents, or alternatively via direct nonradiative relaxation to the ground state following th

276 centered on the [Re(6)Q(8)](2+) core induce nonradiative relaxation.

277 ole in regulating the rates of radiative and nonradiative relaxation.

278 ertheless, the dynamic structural origins of nonradiative relaxations in such materials are not under

279 Nonradiative routes were inhibited by binding-induced ri

280 Activation energies to the nonradiative state are found to range between 1600 and 4

281 rily determined by thermal deactivation to a nonradiative state.

282 cy decreased by an increasing competition of nonradiative surface deactivation.

283 ts the performance of any application due to nonradiative surface plasmon relaxation.

284 ttributed to a combination of passivation of nonradiative surface trap states and relaxation of excit

285 the chemistry does not introduce substantial nonradiative surface traps.

286 excitons (electron-hole pairs) competes with nonradiative thermal relaxation pathways.

287 rge transfer upon irradiation, relax via the nonradiative torsional relaxation pathway, and have been

288 nd states and thereby significantly decrease nonradiative transition probabilities.

289 rylene derivatives to suppress their triplet nonradiative transition, in both small and large-scale r

290 fer states) that are predicted to facilitate nonradiative transitions from the fluorescent excited st

291 romophore's environment necessary to exclude nonradiative transitions to the ground state.

292 ronment after covalent bonding inhibited the nonradiative transitions.

293 de absorption, emission, energy transfer and nonradiative transitions.

294 uantum confinement with distinctly increased nonradiative trapping.

295 molecular charge-transfer dipoles to harvest nonradiative triplets into radiative singlets in exciple

296 absorption and the rapid ( approximately ps) nonradiative vibrational relaxation of molecular electro

297 mperature T(1/2) = 322(2) K], (ii) saturates nonradiative vibrational relaxation processes in the 233

298 plication in antennas, beam-shaping devices, nonradiative wireless power-transfer systems, microscopy