ライフサイエンスコーパス: excited state

1 tational analysis of geometry changes in the excited state.

2 the equilibration of the optically populated excited state.

3 OAC indicated the formation of cation in the excited state.

4 ve as dipolar molecules in the S1 electronic excited state.

5 es and an intermediate state en route to the excited state.

6 the final state coincides with a short-lived excited state.

7 leading to the generation of the luminescent excited state.

8 y preparing a long-living wave packet in the excited state.

9 the photoreaction involves an electronically excited state.

10 ex analogue or the apo state as its dominant excited state.

11 ated trapping barriers in the electronically excited state.

12 f the configurations sampled, on the locally excited state.

13 via conrotatory ring closure in the triplet excited state.

14 f hybridization of local and charge transfer excited states.

15 reactions proceed directly from high-energy excited states.

16 al complexes with long-lived charge-transfer excited states.

17 differences in kinetics and lifetimes of the excited states.

18 seam of intersection between the ground and excited states.

19 cb(-))L2](2+)* formulation for all the other excited states.

20 positions of the lowest singlet and triplet excited states.

21 emical processes occurring from equilibrated excited states.

22 ing potential applications of their combined excited states.

23 nformations during formation of two distinct excited states.

24 or nonradiative processes occurring in upper excited states.

25 ghts into the complex nature of the relevant excited-states.

26 d light, energy transfer occurs from triplet excited-state (3)PS* to a photolabile triplet state of M

27 ation of singlet oxygen ((1)O2), DOM triplet excited states ((3)DOM*), and the hydroxyl radical ((*)O

28 transition has a large gap between the first excited state (4)T1 and the ground state (6)A1 (normally

29 is inefficient in the product region so that excited-state (4) Fe(+) is the dominant product.

30 edict enhanced Mn(III)-oxyl character on the excited-state (4)E surface, consistent with previous DFT

31 latter with f-f transition has no metastable excited state above 10,000 cm(-1), which requires the vi

32 In addition, computed excited state absorption and transient IR spectra allow

33 ransient absorption reveals the formation of excited-state absorption and stimulated emission bands a

34 acteristics and a 2-fold slower decay of the excited-state absorption bands compared to the monomer M

35 We find that the TT excited-state absorption spectral shape correlates with

36 the red to near-IR region from their triplet excited states, according to their microsecond lifetimes

37 by Kohler and co-workers have implicated an excited-state acid/base reaction as the source of the no

38 ansition in the related defect, involving an excited state acting as a giant trap for electrons.

39 layed a [Ru(III)(btfmb(-))L2](2+)* localized excited state and a [Ru(III)(dcb(-))L2](2+)* formulation

40 hydrogen transfer reaction from the triplet excited state and a very short-lived biradical intermedi

41 d higher energy bands arising from a locally excited state and an intramolecular charge-transfer tran

42 67 in UV-vis-near IR region, we explored its excited state and charge separation dynamics, properties

43 the quinone-containing ligand, affecting the excited state and electron transfer properties of these

44 to fraction of the population present in the excited state and is independent of the fluorophore conc

45 of ultrafast transition to the lowest energy excited state and photochemical reaction starting therei

46 acilitating electron collection at Rh in the excited state and reductively quenched state.

47 s from penetration and physical contact with excited states and active protection, based on the appli

48 OLEDs (PHOLEDs) can emit light from triplet excited states and can therefore achieve very high effic

49 d solar energy conversion based on molecular excited states and electron acceptors/donors on the surf

50 tive reactions prevent formation of reactive excited states and photoinhibition.

51 ical model to study the structure of protein excited states and rationally design validating experime

52 g the conformational characterization of RNA excited states and suggest that slow modes of repuckerin

53 energy ordering of the charge transfer (CT) excited states and the local triplet are tuned in and ou

54 photophysical investigations, the nature of excited states and the reactive pathway was deciphered l

55 nanostructures capable of emitting from two excited states and thereby of producing two photolumines

56 vibronic coupling between nearly degenerate excited states, and recent observations confirm the exis

57 e, radical cyclization and 1,3-acyl shift in excited state are the important aspects of our approach.

58 Excited states are by definition transient species, and

59 straightforward experimental identification, excited states are more revealing and particularly inter

60 otophysical properties and the nature of the excited states are observed as the compounds increase in

61 e found to originate, not from the localized excited state as one might expect, but from unanticipate

62 presence of a highly mixed (3)MLCT/(3)pipi* excited state as the lowest triplet state in 2, whereas

63 dene imidazolinone chromophore in one of the excited states assumes a near-canonical twisted configur

64 relaxation mechanism from the electronically excited state back to the ground state.

65 Excited state behavior follows predicable patterns.

66 ults from intramolecular interactions in the excited state between the electron-rich aniline and the

67 probably due to nonradiative deactivation of excited states by N-H bonds.

68 2 exhibits photoluminescent behavior and its excited state can be quenched by mild reductants to gene

69 The excited-state CH3O intermediate further deactivates thro

70 f these alternative (possibly lower barrier) excited-state channels.

71 that defects play a significant role in the excited-state, charge relaxation pathways.

72 a given MOF that are primed to form such an excited state complex.

73 te a much shorter lifetime of the protonated excited-state complex.

74 This new concept of switching of excited-state configuration should pave the way to contr

75 We present a system of excited-state control for truly local delivery of single

76 the favourable band alignment and transient excited-state Coulomb environment, rather than solely on

77 nescent at room temperature, and their rapid excited-state deactivation precludes their use as photos

78 ational progress towards unravelling various excited state decay mechanisms that afford the necessary

79 (PSFC) is a technique in which fluorescence excited state decay times are measured as fluorescently

80 urrents, yet similar yields for nonradiative excited-state decay from the photoacids and the Ru(II) d

81 This excited-state delocalization contrasts with previously r

82 Here, the synthesis and excited state dynamics of a conjugated tetracene homopol

83 revealed that ligands determine not only the excited state dynamics of the QD but also, in some cases

84 Npi*), does significantly participate in the excited state dynamics.

85 Here the excited-state dynamics and structural evolution of the p

86 in organic molecules, but their femtosecond excited-state dynamics are difficult to track.

87 At the forefront of our investigations are excited-state dynamics deduced from femtosecond transien

88 The femtosecond excited-state dynamics following resonant photoexcitatio

89 The excited-state dynamics initiated at 266 nm ((1)pipi*, S2

90 The excited-state dynamics of an aniline-triazine electron d

91 Such states are often invoked in the excited-state dynamics of donor-acceptor dyads, but thei

92 The excited-state dynamics of two cyclic DNA miniduplexes, e

93 that homoconjugated dimers display desirable excited-state dynamics, with significantly reduced recom

94 n to precisely tune their band structure and excited-state dynamics.

95 tional, long-range charge transport from the excited-state electron donor via a transient C60(*-) tow

96 In 1 N HBr (aq), the photocatalyst undergoes excited-state electron injection and light-driven Br(-)

97 mplex capable of aqueous Br(-) oxidation and excited-state electron injection.

98 measurements provide compelling evidence for excited-state electron transfer from chloride to the Ru

99 etic quenching by the Co(II) species and (2) excited-state electron transfer to Co(III) species.

100 tom, Br(*), was determined to be the primary excited-state electron-transfer product and was an inter

101 not exclusively sensitive to changes in the excited-state electronic structure.

102 red to well-matched base pairs, and (ii) the excited state emission lifetime of the ruthenium bound t

103 By virtue of variable excited state energies and electron donor strengths, eit

104 o parametrize model Hamiltonians to describe excited state energy transfer in photosynthetic light ha

105 60 to realize the unidirectional flow of (i) excited-state energy from the ZnPs at the periphery to t

106 Ground-to-excited-state energy gaps below 2.0 eV are obtained in c

107 em crossing, which often gives rise to large excited-state energy losses in transition-metal complexe

108 Here, we report an atomistic model of the excited state ensemble of a stabilized mutant of an exte

109 The most striking feature of the resulting excited state ensemble was an unstructured N-terminus st

110 n informative prior for the structure of the excited state ensemble.

111 nergies and wave functions of the ground and excited states evolved as a function of Mn horizontal li

112 other; and (3) in highly polar solvents, the excited state evolves further to a purely dipolar S1 sta

113 tations contributing to the optically active excited state-excited state transitions, and suggest a s

114 ysical characterization of their ground- and excited-state features has also been included, paying pa

115 t, or the absence of a sufficiently reducing excited state for electron injection into appropriate se

116 or rapidly matching the level of chlorophyll excited states from light harvesting with the rate of el

117 determined by multiplicity and energy of the excited state, generated by UV irradiation of diazo comp

118 These changes in the excited states have been corroborated using density func

119 ch confirmed that the mixed (3)MLCT/(3)pipi* excited state in 2 promotes ligand dissociation, represe

120 nt of crowding modulate the lifetimes of the excited state in the membrane.

121 the potential importance of conformationally excited states in directing both folding and misfolding

122 easurements and recent knowledge of lifetime excited states in MIL-125-type of solids.

123 niduplexes and longer sequences suggest that excited states in the latter rapidly localize on two adj

124 Here we report on the structures of two excited states in the reversibly photoswitchable fluores

125 The annealer-trained classifiers use the excited states in the vicinity of the ground state and d

126 istently lowered by increasing the number of excited states included in the Hamiltonian of the active

127 the vibrational cooling of the Franck-Condon excited state, indicative of nonequilibrium dynamics.

128 The extent of ground- and excited-state interchromophoric interaction among the pi

129 et metal-to-ligand charge transfer ((1)MLCT) excited state into a quintet metal centered state ((5)MC

130 The exception is amine 4 that undergoes excited-state intramolecular proton transfer (ESIPT) in

131 the mechanism of fluorescence sensing to be excited-state intramolecular proton transfer (ESIPT).

132 Selective excited-state intramolecular proton-transfer (ESIPT) pho

133 ressive electronic structure sensitivity for excited-state investigations.Many photo-induced processe

134 A remarkable result is that a 1:1 iodide:excited-state ion-pair, [C1(2+), I(-)](+*), underwent di

135 s generated via electron transfer between an excited-state iridium photocatalyst and an amine substra

136 nstrate that the spin-strain coupling in the excited state is 13.5+/-0.5 times stronger than the grou

137 tized conditions indicating that the triplet excited state is directly involved in the formation of a

138 esults show that an exceptionally long-lived excited state is formed after photoexcitation.

139 that a softening of vibrational modes in the excited state is involved in efficient and rapid energy

140 t electronic energy relaxation to the lowest excited state is observed on the time scale of hundreds

141 orptivity and long-lived, high-yield triplet excited states is vital for many optoelectronic applicat

142 organic semiconductors the special nature of excited states leads to particularly strong coupling and

143 r occurring in the ground and electronically excited states leads to uncommon spectroscopic character

144 Particularly, their short excited state lifetime (<25 ps) renders them potential e

145 In fluorophores, the excited state lifetime can be modulated using pump-probe

146 route explains the 6-fold lengthening of the excited state lifetime compared to that of dCyd, observe

147 fferent strategy that relies on the peculiar excited state lifetime features of the SYBR Green (SG) d

148 A long excited state lifetime, large Stokes shift, and chemical

149 ces in solution at room temperature, and its excited-state lifetime (2.2 ns in deaerated THF at 20 de

150 2Br(-)]* was found to be luminescent with an excited-state lifetime of tau = 65 +/- 5 ns.

151 cule energy gap, temperature and the triplet-excited-state lifetime of the molecular adsorbate.

152 ocatalysts in recent years due to their long excited state lifetimes and useful redox windows, leadin

153 acts as pH sensor and that it modulates the excited state lifetimes of a large array of LHCII, also

154 Based on the excited-state lifetimes and redox properties, these comp

155 significant differences are observed in the excited-state lifetimes by transient absorption spectros

156 igher defect concentrations result in longer excited-state lifetimes, which are attributed to improve

157 hores but different isomerization yields and excited-state lifetimes.

158 ative reactions by including a molecular hot excited state manager within the device emission layer.

159 uggests that the formation of aromatic-dimer excited states may account for the photophysical propert

160 the adsorbate molecule, and crossing between excited states may effectively lower the dissociation ba

161 The excited state meta effect, also known as the meta-ortho

162 Using density functional theory and excited state methods, we derive the molecular origins o

163 e thought to proceed through an intermediate excited-state minimum (the so-called pericyclic minimum)

164 e mechanisms of both processes are driven by excited-state mixing between pi-pi*and charge-transfer s

165 nsfer from an iridium sensitizer produces an excited-state nickel complex that couples aryl halides w

166 lated for the nuclear motion involved in the excited-state nuclear relaxation; this value is in excel

167 fast relaxation of the wavepacket to a lower excited state occurs along one of the conical intersecti

168 wavelength simultaneously populates a higher excited state of (1*)DAPP(2+) which then undergoes ultra

169 A complementary strategy of utilizing pipi* excited state of alkene instead of npi* excited state of

170 stablish the character of the lowest singlet excited state of all three systems and the lowest triple

171 The energy of the triplet excited state of each complex was estimated from energy-

172 of all three systems and the lowest triplet excited state of Fe(2+) and FeF2.

173 lytically dominant pathway proceeds from the excited state of Li(carb), generating a carbazyl radical

174 ipi* excited state of alkene instead of npi* excited state of the carbonyl chromophore in a "transpos

175 are consistent with pathways wherein both an excited state of the copper(I) carbazolide complex ([Cu(

176 gh surface concentrations, the first singlet excited state of the dye is converted into a new state w

177 In the excited state of the E:THF:NADPH product release complex

178 calculated on the ground state, the locally excited state of the flavin, and the charge-transfer sta

179 - 6 fs and leaves the system in a long-lived excited state of the metallic phase, driven by a change

180 rbazolide complex ([Cu(I)(carb)2](-)) and an excited state of the nucleophile (Li(carb)) can serve as

181 etitive pathways took place from the triplet excited state of thioanisoles, C-S bond cleavage, finall

182 lidene, as well as vibronic coupling with an excited state of vinylidene.

183 Ultrafast spectroscopy was used to probe the excited states of 1-4, which confirmed that the mixed (3

184 define the ligand-field and charge-transfer excited states of [Mn(IV)(O)(N4py)](2+).

185 facilitated mixing with highly vibrationally excited states of acetylene, leading to broadening and/o

186 rearrangement is one of the highest singlet excited states of diazotetrahydrofuranone.

187 trol the rate of formation (Rf,T) of triplet excited states of dissolved natural organic matter ((3)D

188 Measured RI included triplet excited states of dissolved organic matter ((3)DOM*), si

189 rectly probe the reaction pathways of highly excited states of energetic molecules-in this case, meth

190 useful information can be extracted from the excited states of the annealer.

191 study concerns the relaxation of electronic excited states of the DNA nucleoside deoxycytidine (dCyd

192 f the electron-hole occupation number of the excited states of the QDs indicates that the emission en

193 te multiconfigurational computations for the excited states of the radical intermediates.

194 ried out to better understand the electronic excited states of these benzo[2,1,3]thiadiazoles and why

195 c studies suggested that the long-lived (2)D excited states of these complexes corresponded to singly

196 uorescence spectra indicate that the singlet excited states of these nanorings are highly delocalized

197 racenyl radicals; term energies of the first excited states of these species are also measured.

198 better fine-tuned than others to sustain the excited states of these species.

199 Geometric relaxations in the optimized excited states of up to 0.33 A impart remarkable effects

200 c coupling that leads to relaxation to other excited states on a surprisingly fast timescale of 25 fs

201 The viability of excited-state organometallic catalysis via direct photoe

202 Here, we demonstrate excited-state organometallic catalysis via such an activ

203 that photosensitization mechanisms to access excited-state organometallic catalysts have lagged far b

204 With an excited-state oxidation potential of -2.43 V vs Fc(+)/Fc

205 mportance of solubilizing groups to optimize excited-state photophysics.

206 the strong acidity of these compounds in the excited state (pKa* < 0).

207 The mixed (3)MLCT/(3)pipi* excited state places significant spin density on the qui

208 e region, especially, the scaling law of the excited state population as the square root of the quenc

209 the density functional embedding theory, the excited-state potential energy surfaces for dissociation

210 ient to drive a water oxidation catalyst and excited-state potentials ( approximately -1.2 V vs NHE)

211 at a coordinately unsaturated Ti site as an excited-state process with triplet spin multiplicity.

212 esults from annihilation between high-energy excited states, producing energetically hot states (>6.0

213 40 turnovers of H2 due to differences in the excited state properties and nature of the catalysts upo

214 es providing fundamental insights into their excited state properties as well as an explanation for t

215 n physical properties, however their role in excited state properties is less developed.

216 t accurate theories for predicting materials excited states properties, scaling up conventional GW ca

217 infrared (NIR) spectrum along with favorable excited-state properties for use in solar-energy convers

218 Based on photophysical data, their excited-state properties have been described with a focu

219 vent-dependent conformational equilibria and excited-state properties.

220 uplex protects 8-DEA-tC against quenching by excited state proton transfer.

221 olutions the fluorescence is quenched due to excited-state proton transfer (ESPT) to solvent.

222 , breaking and making of covalent bonds, and excited-state proton transfer (ESPT).

223 ynthesized to probe water molecule catalyzed excited-state proton transfer in aqueous solution.

224 e electron/nuclear coupling using input from excited-state quantum chemical methods.

225 This is in line with excited-state quantum mechanics/molecular mechanics and

226 The excited-state quenching of [Ru(TAP)2(HAT)](2+) (TAP = 1,

227 respect to mediator is attributed to triplet excited-state quenching via (1) energy transfer or param

228 avoid cross-talk between the units, such as excited-state quenching.

229 re more typically observed in electronically excited states reached by absorption of ultraviolet or v

230 n be observed for a number of major types of excited-state reactions: harvesting product via intersys

231 These results clarify how the excited-state reactivity can be manipulated through cata

232 t in acetonitrile solution with an estimated excited-state reduction potential of -3.45 V versus Cp2F

233 Ru(II) polypyridyl complexes, and impressive excited-state reduction potentials ((1)E(-/)* = 1.59 V;

234 rovide a complete mechanistic picture of the excited state relaxation of dCyd/5mdCyd in three solvent

235 that could be harnessed catalytically before excited state relaxation.

236 terogeneity results from competition between excited-state relaxation and injection as the photoexcit

237 with heteroatoms often possess an important excited-state relaxation channel from an optically allow

238 oduct conformation in the transiently formed excited state remain elusive.

239 spectroscopy, dynamics of coherences between excited states report on the interactions between electr

240 ed for the singlet and triplet dsigma*psigma excited states, respectively).

241 erlying mechanisms allowing the formation of excited states responsible for device functionality, suc

242 ine ligands (L) enables the potential of the excited state Ru(III/)* couple, E(+/)*, in 0.1 M perchlo

243 tates (T1), and the first and second singlet excited states (S1 and S2) of benzene (C6H6) and square

244 The energies and lifetimes of the excited states (S1, S2, S5, T1) of a diazotetrahydrofura

245 ultaneously can differentiate strong triplet excited state sensitizers from hydroxylating species suc

246 correlation functional (HSE06), treating the excited-state species as excitons with triplet multiplic

247 atter ((3)CDOM*) is a short-lived mixture of excited-state species that plays important roles in aqua

248 ) the seesaw structure enabling a pronounced excited state structural deformation as confirmed by den

249 cited vibrational dynamics which survive the excited-state structural evolution.

250 ctron properties of the ligand stabilize the excited state sufficiently to realize a long charge-tran

251 Here, excited-state symmetry breaking in a quadrupolar molecul

252 nzo[a,e]pentalene modifies the first triplet excited states (T1) of the compounds.

253 g (ISC) quantum yields (PhiISC), and triplet excited-state (T1) lifetimes on the microseconds time sc

254 ieve population inversion (more electrons in excited states than in ground states-the condition for o

255 he presence of a trans-type influence in the excited state that enhances ligand exchange.

256 mation of the THF to form a weakly populated excited state that is poised for rapid product release.

257 The most probable excited state that leads to elimination of nitrogen and

258 le dynamics, only the MCA samples a dominant excited state that resembles the TSA, as evidenced by th

259 ptions that possess long-lived, redox-active excited states that are useful for various applications,

260 ents that they undergo, in particular of the excited states that connect chemistry to biological func

261 nfinement with the formation of self-trapped excited states that give efficient bluish white-light em

262 equilibrium with short-lived low-abundance 'excited states' that form by reshuffling base pairs in a

263 igher than that required to form the singlet excited state, the S-route is considered the favored pat

264 f four closely lying and potentially coupled excited states, the deactivation pathways in these syste

265 lly isolated proximal and distal qdppz-based excited states; the former is initially generated and de

266 determining sugar pucker conformation in RNA excited states through nuclear magnetic resonance measur

267 Photodriven electron transfer from a donor excited state to an assembly of electronically coupled a

268 y at its surface to use the energy of the QD excited state to drive chemical reactions.

269 er electronic configuration from the initial excited state to the relaxed (d,d) state has been obtain

270 ess to be the transition from the electronic excited-state to the ground-state PES accompanying cis-t

271 that blocks the major deactivation pathway: excited-state trans-to-cis polyene rotation.

272 Hot excited states transfer to the manager and rapidly therm

273 lement that sheds light on the mechanisms of excited-state transformations, open new possibilities of

274 Aside from detailing the ground-to-excited-state transition, the trajectory samples multipl

275 insic chromophore property, and by improving excited-state trapping, protein interactions enhance the

276 three protons, which undergo a relay type of excited-state triple proton transfer (ESTPT) in a concer

277 overning the interplay between the different excited states; unexpectedly, water favors population of

278 The ability to form triplet excited states upon two-photon excitation is important f

279 itations and complex interplay between those excited states via strong scattering of thermal carriers

280 toredox quenching of the carbostyril antenna excited states was observed for all Eu(III)-complexes an

281 g the initially prepared singlet and triplet excited-state wave functions, we (i) show that the relat

282 modified as a result of the presence of the excited state wavefunction.

283 here the polar CT state is the lowest energy excited state, we observe its population through signifi

284 al/ligand-to-ligand charge-transfer (ML-LCT) excited states were observed in all four complexes.

285 GFP chromophore can be trapped in the first excited state when cooled to 100 K.

286 tion of DAPP(2+) at 505 nm populates a lower excited state where electron transfer is kinetically unf

287 (tau = 19 ns) Ru(dpi) --> qdpq(pi*) (3)MLCT excited state where the promoted electron is delocalized

288 haracterize the identity and dynamics of the excited states, where singlet and triplet Rh2/form-to-na

289 ion differs from dynamics occurring on lower excited states, where the timescale required for the wav

290 Franck-Condon bright state relaxes to a dark excited state, which FSRS reveals to have a rich spectru

291 the resonator through its orbitally-averaged excited state, which has a spin-strain interaction that

292 with both 1) the energy of a low-lying (4) E excited state, which has been postulated to be involved

293 n reaction is the singlet doubly pi(2)pi*(2) excited state, which is spectroscopically rather dark.

294 n between fluctuations in the electronically excited state, which tend to reduce order, and transient

295 e state and less-populated intermediates, or excited states, which can play critical roles in both pr

296 The arylcobalamin EtPhCbl forms an excited state with a ca. 247 ps lifetime.

297 ization process of a correlated two-electron excited state with a strong laser field.

298 al deactivation pathways, possibly involving excited states with an increasing charge-separated chara

299 e to the availability of many electronically excited states with intermediate energies arising from t

300 n-orbit coupling induced mixing of low-lying excited states with the ground state, and covalency in t