ライフサイエンスコーパス: pentacene

1 -(tri-isopropylsilyl)ethynyl)pentacene (TIPS-pentacene).

2 bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene).

3 mates the unit cell structure of crystalline pentacene.

4 ions of bis(triisopropylsilylethynyl (TIPS)) pentacene.

5 ission (a molecular manifestation of MEG) in pentacene.

6 hanical process occurs in well under 1 ps in pentacene.

7 ton fission in polycrystalline thin films of pentacene.

8 n of molecular size from naphthalene through pentacene.

9 dendritic thin film growth characteristic of pentacene.

10 the 6,13 positions is longer lived than TIPS-pentacene.

11 a for the chemically similar and widely used pentacene.

12 pply them to crystals of naphthalene through pentacene.

13 reduction potentials are lower than those of pentacene.

14 rical properties of 1 and 2 in comparison to pentacene.

15 ng singlet fission mechanisms in crystalline pentacene.

16 l quantum mechanical quality for crystalline pentacene.

17 m(-1) as key in facilitating ultrafast SF in pentacene.

18 ty of the photooxygenation of tetracenes and pentacenes.

19 o modulate the coupling strength between two pentacenes.

20 and beta-spin densities on distinct terminal pentacenes.

21 at elevated temperature to the corresponding pentacene 1 (a: R(1) = H, b: OBn, c: F).

22 1 2,14-tetrahydro-5,14:7,12-bis([1,2]benzeno)pentacene (1), a molecular dirotor with a 1,4-bis((4-eth

23 termediate, and then oxidation with DDQ gave pentacenes 1a-c.

24 ,10,11,20,21,22-hexaphenyltetrabenzo[a,c,l,n]pentacene (2) and a dimethyl derivative (2m) were prepar

25 tionation products and increasing the FEM of pentacene (2.2 cm(2)/Vs).

26 soluble tetraceno[2,3-b]thiophenes (1-3) and pentacenes (4-6) that show higher photoxidative stabilit

27 hracene (3a, 3b, and 3c), tetracene (4), and pentacene (5) rotators axially linked by triple bonds to

28 Using a nitrogen-substituted analogue of pentacene (6,13-diazapentacene), we enhance contrast com

29 bis(triisopropylsilylethynyl)pentacene (TIPS pentacene), 6,14-bis-(triisopropylsilylethynyl)-1,3,9,11

30 ne (10-100 ps) but significantly slower than pentacene (80-110 fs).

31 Substituted pentacenes (8a, 8b, 14a, and 14b) were prepared by Strat

32 Stable, soluble ethynylated derivatives of pentacene (9a-c) were synthesized, and the ethynyl moiet

33 bis-triisopropylsilylethynyl)pentacene (TIPS-pentacene), a small-molecule organic semiconductor, adop

34 6,13-Bis(tri(isopropyl)silylethynyl)pentacene, a particularly stable acene derivative import

35 The pathway to pentacene-a prototype polyacene and a fundamental molecu

36 e use HeSE to unveil the intricate motion of pentacene admolecules diffusing on a chemisorbed monolay

37 at pyrazine units embedded in tetracenes and pentacenes allow for additional electronegative substitu

38 s, such as 6,13-bistriisopropyl-silylethynyl pentacene, allows the dominant lattice vibrational modes

39 sing three different organic semiconductors (pentacene, alpha,alpha'-dihexylsexithiophene, and fuller

40 a complex scaffold, which includes an intact pentacene, an anthracene, and a phenylene unit, all elec

41 n Schottky-type photovoltaic diodes based on pentacene--an organic semiconductor that has received mu

42 n-2 a, which is much longer than that of its pentacene analogue (BPE-P, half-life, 33 h).

43 igher HOMO energy levels than those of their pentacene analogues (2.23 and 2.01 eV redox, respectivel

44 in two prototypical organic semiconductors, pentacene and 6,13-bis(2-(tri-isopropylsilyl)ethynyl)pen

45 lectrodes in high-performance transistors of pentacene and C(60), with bottom-contact mobilities of >

46 ional photoinduced electron transfer between pentacene and C60.

47 rystals of 6,13-dihydrogenated pentacene and pentacene and further amorphous pentacene oligomers.

48 imilar to those calculated for the benchmark pentacene and indicate that both hole and electron mobil

49 ted by intersystem crossing in photo-excited pentacene and other aromatic molecules, this new type of

50 Thin-film transistors (TFTs) fabricated with pentacene and PDIF-CN(2) as representative organic semic

51 esults in co-crystals of 6,13-dihydrogenated pentacene and pentacene and further amorphous pentacene

52 ve useful for other pi-stacked OTFTs such as pentacene and poly(thiophene) derivatives.

53 bits a stronger dispersion than those in the pentacene and rubrene single crystals with marked uniaxi

54 ors based on organic semiconductors, such as pentacene and tetracene.

55 those for their parent oligoacenes, that is, pentacene and tetracene.

56 rimposed cyclic voltammetric features of the pentacene and the anthracene moieties.

57 apentacene), we enhance contrast compared to pentacene and, by determining the triplet kinetics throu

58 The SubPcs complement the characteristics of pentacenes and act as light-harvesting antennae that fun

59 fferent spacers, denoted A-D, to connect two pentacenes and to probe the impact of intramolecular for

60 1-tetraoxa-dicyclopenta[b,m]-pentacene (TP-5 pentacene), and 2,2,10,10-tetraethyl-6,14-bis-(triisopro

61 The 2D spherulites of TIPS-pentacene are extremely advantageous for improving the f

62 studied, alkylthio- and arylthio-substituted pentacenes are most resistant to photooxidation, possess

63 Polyacenes, such as tetracene and pentacene, are common model systems for the study of pho

64 phenylanthracene, perylene, rubrene and TIPS-pentacene, are reported.

65 Large acenes, particularly pentacenes, are important in organic electronics applica

66 ligomers, as well as a series of substituted pentacenes, are rationalized in terms of "pitch and roll

67 via diastereoselective carboxylation of the pentacene backbone that likely proceeds by a frustrated

68 the single-carbon level in a molecule with a pentacene backbone.

69 e demonstrate the efficient operation of our pentacene based EGOFET sensing platform through the quan

70 actual pentacene-fullerene orientation, both pentacene-based and C(60)-based excitons are able to dis

71 s dependence of the field-effect mobility in pentacene-based insulated gate field-effect transistors

72 e molecules have the same molecular shape as pentacene but are much easier to prepare and have much g

73 rganization energy) is stronger than that in pentacene but comparable to that in sexithiophene; it is

74 ets transferred for every photon absorbed in pentacene, but only when the bandgap of the nanocrystals

75 g annulation exemplified by the formation of pentacene (C(22) H(14) ) along with its benzo[a]tetracen

76 Here we study pentacene/C(60) bilayers using transient optical absorpt

77 bilayer heterojunctions, the performance of pentacene/C(60) bulk-heterojunction solar cells is likel

78 or several geometrical configurations of the pentacene/C(60) complex, which are relevant to bilayer a

79 on processes in organic solar cells based on pentacene/C(60) heterojunctions are investigated by mean

80 allel configurations of the molecules at the pentacene/C(60) interface, the decay of the lowest charg

81 d light detection with planar heterojunction pentacene/C(60) OPVs.

82 xciton and charge generation dynamics in the pentacene/C(60) system and demonstrate that the tuning o

83 Recent experiments in our laboratory on the pentacene/C(60) system provided preliminary evidence for

84 ned of a number of orbitals of the molecules pentacene (C22H14) and perylene-3,4,9,10-tetracarboxylic

85 Focusing initially on a single pentacene-C60 DA interface, we confirm that the charge t

86 nt superposition of vibrational motions in a pentacene/C60 photoresistor, we observe that excitation

87 , respectively, resulted in the emergence of pentacene centric Kasha's ideal null exciton, providing

88 to the ground state analogous to a monomeric pentacene chromophore.

89 t the interface between a block with pendent pentacene chromophores and an additional block with pend

90 non for the first time in the ever-versatile pentacene chromophoric systems can offer an extensive gr

91 The enhanced air and thermal stability over pentacene, combined with good electrical performance cha

92 diates to unsymmetrically 6,13-disubstituted pentacenes, commonly used for studying singlet fission p

93 on to synthesize two geometrically distinct, pentacene-containing macrocycles on a gram scale and in

94 t on the particular functionalization of the pentacene core.

95 The method allows control of the pentacene crystal growth direction and domain-size distr

96 r, whereas the site energy difference in the pentacene crystal is vanishingly small.

97 ongoing discussion on excited states of the pentacene crystal, dipole moment values have been recent

98 ning the mechanism of singlet fission in the pentacene crystal, notably the role of charge transfer c

99 The singlet fission mechanism in pentacene crystals is disputed due to insufficient elect

100 f solution-sheared and lattice-strained TIPS-pentacene crystals.

101 the intrinsic field-effect mobility (FEM) of pentacene crystals.

102 to one-dimensional (1D) growth mode of TIPS-pentacene crystals.

103 to two-dimensional (2D) growth mode of TIPS-pentacene crystals.

104 The persistence of each pentacene derivative is impacted by a combination of ste

105 heory, the coupling of a sterically demanded pentacene derivative on Au(111) into fused dimers connec

106 A pentacene derivative with both chlorine substituents in

107 nd characterization of six new and six known pentacene derivatives and a kinetic study of each deriva

108 ooxidative resistances for a large series of pentacene derivatives as a function of substituents.

109 The new 1,2,8,9-tetraaryldicyclopenta[fg,qr]pentacene derivatives have narrow energy gaps of circa 1

110 he fundamental spin dynamics of photoexcited pentacene derivatives is important in order to maximize

111 compare the singlet fission dynamics of five pentacene derivatives precipitated to form nanoparticles

112 Herein, we report on the synthesis of two pentacene derivatives that are functionalized with the [

113 nt derived from the crystal structure of the pentacene derivatives to their singlet fission dynamics

114 Here, we study a series of pentacene derivatives using ultrafast two-dimensional el

115 A new class of stabilized pentacene derivatives with externally fused five-membere

116 oss (+)-assembly of 6,13-bisaryl-substituted pentacene derivatives.

117 solution state for 6,13-bisaryl-substituted pentacene derivatives.

118 from highly persistent, solution processable pentacene derivatives.

119 -LUMO gaps are among the lowest reported for pentacene derivatives.

120 As compared to pristine TIPS pentacene devices, bottom-gate, top-contact OTFTs with 2

121 Conversely, 1,6-substitution provides a pentacene dimer (1,6-dimer) that exhibits sufficiently s

122 4,9-Substitution of diamantane provides a pentacene dimer (4,9-dimer) in which the two chromophore

123 e spectroscopy to probe singlet fission in a pentacene dimer linked by a non-conjugated spacer.

124 terize the six low-lying singlet states of a pentacene dimer that approximates the unit cell structur

125 Here, we introduce a pentacene dimer with a flexible crown ether spacer enabl

126 ular movie of ultrafast singlet fission in a pentacene dimer, explicitly treating 252 vibrational mod

127 Applying this method to a range of pentacene dimers and thin films of various aggregation t

128 The Greek cross (+)-orientation of pentacene dimers exhibits a selectively higher electron-

129 ented intramolecular SF within regioisomeric pentacene dimers in room-temperature solutions, with obs

130 sufficient coupling through bond or space in pentacene dimers is enough to induce intramolecular SF w

131 gations on the nature of excitonic states of pentacene dimers proved that any deviation from a 90 deg

132 ported analogous 2,2'-linked and 6,6'-linked pentacene dimers reveals that the acetylene bridges cont

133 We have designed a series of pentacene dimers separated by homoconjugated or nonconju

134 em is realized by covalently tethering three pentacene dimers to a central subphthalocyanine scaffold

135 lar Forster resonance energy transfer to the pentacene dimers to realize panchromatic absorption.

136 the spin density distribution in a series of pentacene dimers using phenyl-, thienyl- and selenyl- fl

137 f (oligo-)para-phenylene bridged 2,2'-linked pentacene dimers with an additional acetylene fragment i

138 Two isomeric pentacene dimers, each linked by a diamantane spacer, ha

139 ven in simple prototypes such as ethylene or pentacene dimers.

140 inglet exciton fission (iSEF) in pai-bridged pentacene dimers.

141 plet excited state as a function of TEMPO-to-pentacene distance.

142 monstrate that dissolution of spin-polarized pentacene-doped naphthalene crystals enables transfer of

143 ed by triplet states in an optically excited pentacene-doped p-terphenyl crystal.

144 sted of a sapphire ring housing a crystal of pentacene-doped p-terphenyl, pumped by a pulsed rhodamin

145 ese interactions, but few examples exist for pentacene due to inherent synthetic challenges.

146 hexacene which, together with tetracene and pentacene, enables the elucidation of mechanistic trends

147 ethynyl)-1,3,9,11-tetraoxa-dicycl openta[b,m]pentacene (EtTP-5 pentacene) have been investigated by t

148 electron spin polarization transfer from the pentacene excited state to the TEMPO doublet state in th

149 ntify the functional role of phonon modes in pentacene exciton transport.

150 Arrays of pentacene field effect transistors (FETs) with various c

151 tric, indicating good surface properties for pentacene film growth.

152 lecular interactions led to distinctive TIPS pentacene film morphologies, including randomly-oriented

153 da = 670 nanometers for a 15-nanometer-thick pentacene film.

154 Measurements on microcrystalline pentacene films grown on glass (SiO(2)) and boron nitrid

155 us those in TIPS pentacene films, and EtTP-5 pentacene films have very weak intermolecular interactio

156 stronger intermolecular interactions in TP-5 pentacene films lead to better charge transfer propertie

157 s that the triplet yield approaches 200% for pentacene films thicker than 5 nanometers.

158 rge transfer properties versus those in TIPS pentacene films, and EtTP-5 pentacene films have very we

159 a magnitude of chi((3)) up to 10(-9) esu in pentacene films, which is further shown to be a result o

160 branches, leading to a corona decorated with pentacenes for SF or anthracenes for TTA-UC.

161 The partitioned influence of aryl and pentacene fragments on interchromophoric noncovalent int

162 h triphenylene wings that protect the formal pentacene from chemical degradation.

163 ubstituted 2,3,9,10-tetrakis(methoxycarbonyl)pentacenes from commercially available 1,2,4,5-tetrakis(

164 is(triisopropylsilylethynyl) pentacene (TIPS-pentacene) from 3.33 A to 3.08 A.

165 lts suggest that, irrespective of the actual pentacene-fullerene orientation, both pentacene-based an

166 Using the model system of pentacene/fullerene bilayers and femtosecond nonlinear s

167 of triisopropylsilylethynyl substitution on pentacene have been obtained from the combination of clo

168 tetraoxa-dicycl openta[b,m]pentacene (EtTP-5 pentacene) have been investigated by the combination of

169 as those based on donor-acceptor polymers or pentacene, have low triplet energies, which limits their

170 films of 6,13-bis(triisopropylsilylethynyl) pentacene having non-equilibrium single-crystalline doma

171 acene polymerization computationally, using pentacene, hexacene, and heptacene as representative exa

172 or azobenzene, tetracyanoquinodimethane, and pentacene in multiple charge states.

173 on blends of the prototypical SF chromophore pentacene in which we engineer the polarizability of the

174 mputational study of a series of substituted pentacenes including halogenated, phenylated, silylethyn

175 bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene), including a new polymorph discovered via in

176 Crystalline pentacene is a model solid-state light-harvesting materi

177 Pentacene is an organic semiconductor that undergoes eff

178 ynamics of 6,13-bis(triisopropylsilylethynyl)pentacene is investigated to determine the role of excim

179 d on doped 6,13-Bis(triisopropylsilylethynyl)pentacene is presented.

180 on in polycrystalline and single-crystalline pentacene is reported.

181 he spin polarization in the triplet state of pentacene is the prey.

182 bis(triisopropylsilylethynyl)pentacene, TIPS-pentacene) is blended with an insulating polymer (PS), m

183 trapyrido[3,2-a:2'3'-c:3' ',2' '-l:2' ",3' "]pentacene) is shown to accept up to four electrons and t

184 entathienoacene, the thiophene equivalent of pentacene, is one of the latest additions to the family

185 These pentacene ketones ("pentacenones") serve as divergent in

186 Silylethynyl-substituted pentacenes like TIPS-pentacene possess small HOMO-LUMO g

187 Here, we spatially image TIPS-pentacene microcrystals using ultrafast two-dimensional

188 of singlet excited-state energy levels in a pentacene molecule (E (S1) < E (D)) from multireference

189 ing six linearly fused rings, specifically a pentacene molecule fused with a terminal thiophene ring,

190 when the two triplets separate to each TIPS-pentacene molecule.

191 f one photoexcited and one ground-state TIPS-pentacene molecule.

192 ical "face-to-edge" one-dimensional stack of pentacene molecules is calculated to be 30% greater than

193 singlet energy transfer to surface-anchored pentacene molecules rather than triplet energy transfer.

194 in time governed the growth mode of the TIPS-pentacene molecules that phase-separated and crystallize

195 lectronic coupling between covalently linked pentacene molecules.

196 We present a detailed study of pentacene monomer and dimer that serves to reconcile ext

197 olds, we direct the organization of appended pentacene motifs into long-range ordered helical framewo

198 We find that pentacene moves along rails parallel and perpendicular t

199 0 nm-wide 6,13-bis(triisopropylsilylethynyl) pentacene nanowire (NW) array is fabricated on a centime

200 uctures exhibit large capacitances and large pentacene OFET mobilities.

201 On the OTMS SAM treated dielectric, pentacene OFETs showed hole mobilities as high as 3.0 cm

202 For pentacene OFETs, the largest mobilities (approximately 3

203 eviously observed peripentacene and extended pentacene oligomers through the formation of a carbon-ca

204 als of HBP and amorphous material containing pentacene oligomers, offering experimental evidence that

205 ediate to hydrogenated pentacene species and pentacene oligomers, such as peripentacene, of interest

206 entacene and pentacene and further amorphous pentacene oligomers.

207 ules diffusing on a chemisorbed monolayer of pentacene on Cu(110) that serves as a stable, well-order

208 g the high-temperature vacuum sublimation of pentacene (P) in the presence of trace amounts of 6,13-d

209 responding bulk materials, we show here that pentacene (p-channel) and cyanoperylene (n-channel) film

210 f >945 h was obtained for bisporphyrin-fused pentacene Pen-2 a, which is much longer than that of its

211 Bisporphyrin-fused pentacenes Pen-1 b and Pen-2 a showed rich redox chemist

212 The linearly-conjugated bisporphyrin-fused pentacenes (Pen-1 b and Pen-2 a) possess much narrower H

213 f intramolecular forces on the modulation of pentacene-pentacene interactions and, in turn, on the ke

214 In this study, stable derivatives of peri-pentacene (Peri-P) and peri-hexacene (Peri-H) were synth

215 echanism behind formation of metastable TIPS-pentacene polymorphs.

216 ilylethynyl-substituted pentacenes like TIPS-pentacene possess small HOMO-LUMO gaps but are not the l

217 igomers, offering experimental evidence that pentacene preferentially dimerizes at the 6,6'-position.

218 calculations to show that singlet fission in pentacene proceeds through rapid internal conversion of

219 The Diels-Alder (DA) reactions of pentacene (PT), 6,13-bis(2-trimethylsilylethynyl)pentace

220 A tetrameric pentacene, PT, has been used to explore the effects of e

221 rained, aligned, and single-crystalline TIPS-pentacene regions with mobility as high as 2.7 cm(2) V(-

222 bats as a function of monomer separation and pentacene rotation.

223 Pentacene's extraordinary photophysical and electronic p

224 elective molecular intersystem crossing into pentacene's triplet ground state.

225 nthesis of new PAHs, including tetracene and pentacene scaffolds.

226 gen and light, while analogous films of TIPS-pentacene showed full degradation after 4 days, showcasi

227 lical supramolecular polymers decorated with pentacene side groups to elucidate intermolecular SF dyn

228 triplet-triplet annihilation in high-quality pentacene single crystals and anthradithiophene (diF-TES

229 Organic field-effect transistors based on pentacene single crystals, prepared with an amorphous al

230 The presence of TEMPO does not quench the pentacene singlet excited state, but does quench the pho

231 gests HBP as an intermediate to hydrogenated pentacene species and pentacene oligomers, such as perip

232 opy revealed that within these DNA-assembled pentacene stacks, SF evolves via a bound triplet pair qu

233 ed to pattern semiconducting nanoribbon-like pentacene structures with ultrahigh spatial resolution o

234 sence of intermediate dark states within the pentacene subsystem.

235 ges resulting from the lateral fusion of two pentacene subunits.

236 c character in perpendicularly cross-stacked pentacene systems.

237 (TMHAP, 1), tetraethyl-1,4,6,8,11,13-hexaza-pentacene (TEHAP, 2), 1,2,3,4,10,11,12,13-octahydro-5,7,

238 Substituted pentacenes tend to have both moderate pitch and roll dis

239 The first examples are pentacene, tetracene and anthracene, the last having the

240 We have synthesized a series of asymmetric pentacene-tetracene heterodimers with a variable-length

241 triplet energy transfer processes across the pentacene-tetracene interface.

242 oaching 0.2 cm(2)/V.s have been measured for pentacene TFTs incorporating the new TiO(2) polystyrene

243 embly in the crystalline state of a class of pentacenes that are substituted along their long edges w

244 ed molecular crystal, p-terphenyl doped with pentacene, the latter being photo-excited by yellow ligh

245 Thin-film devices based on doped pentacene therefore appear promising for the production

246 afast SEF even in archetypal systems such as pentacene thin film remain unclear.

247 ue signature of a hidden interface in a TIPS-pentacene thin film, exposing its exciton dynamics and i

248 y means of spacer molecules in tetracene and pentacene thin films as a tuning parameter complementing

249 We report here that pentacene thin films grown on polymer gate dielectrics a

250 eriments were carried out in nanocrystalline pentacene thin films possessing spatial inversion symmet

251 report an in situ study of the evolution of pentacene thin films, utilizing the real-time imaging ca

252 ability of 6,13-bis(trisopropylsilylethynyl)-pentacene thin films.

253 pped charge are acquired for polycrystalline pentacene thin-film transistors using electric and atomi

254 track the dynamics of triplets, generated in pentacene through singlet exciton fission, at the interf

255 When 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS pentacene) was used as a model semicondu

256 actions of 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS pentacene), 6,14-bis-(triisopropylsilyle

257 tylene substituted tetracene (TIPS-BT1') and pentacene (TIPS-BP1') dimers utilizing a [2.2.1] bicycli

258 We found that bis(triisopropylsilylethynyl)pentacene (TIPS-P) crystals can undergo mechanically ind

259 stance of 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-pentacene) from 3.33 A to 3.08 A.

260 ectronics, 6,13(bis-triisopropylsilylethynyl)pentacene (TIPS-pentacene), a small-molecule organic sem

261 uctures of 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene), including a new polymorph di

262 e and 6,13-bis(2-(tri-isopropylsilyl)ethynyl)pentacene (TIPS-pentacene).

263 table than 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene).

264 S-Tn) and 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-Pn) using transient absorption spectrosc

265 ended with 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-Pn) were studied for their potential use

266 omophore, 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-Pn), without the need for chemical modif

267 conductor (6,13-bis(triisopropylsilylethynyl)pentacene, TIPS-pentacene) is blended with an insulating

268 or 2,3,9,10-tetramethyl-1,4,6,8,11,13-hexaza-pentacene (TMHAP, 1), tetraethyl-1,4,6,8,11,13-hexaza-pe

269 acene (PT), 6,13-bis(2-trimethylsilylethynyl)pentacene (TMS-PT), bistetracene (BT), and 8,17-bis(2-tr

270 Heating pentacene to 300 degrees C under vacuum for 200 h result

271 ells that exploit singlet exciton fission in pentacene to generate more than one electron per inciden

272 (HBP), the intermediate molecule connecting pentacene to previously observed peripentacene and exten

273 gh vertical phase-separated structures (TIPS-pentacene-top/PS-bottom) were formed on the substrate re

274 ethynyl)-1,3,9,11-tetraoxa-dicyclopenta[b,m]-pentacene (TP-5 pentacene), and 2,2,10,10-tetraethyl-6,1

275 itive charge carrier (hole) mobility in TIPS-pentacene transistors increased from 0.8 cm(2) V(-1) s(-

276 ere we present an in situ measurement of the pentacene triplet energy by fabricating a series of bila

277 We show that the pentacene triplet energy is at least 0.85 eV and at most

278 quintet state that precedes formation of the pentacene triplet excitons.

279 However, the pentacene triplet is non-emissive, and uncertainty regar

280 Subsequently, molecular pentacene triplets are efficiently generated via singlet

281 (triisopropylsilylethynyl)tetrabenzo[a,c,l,n]pentacene (TTBP) combines an acene core with triphenylen

282 At moderate temperatures in flowing gas, pentacene undergoes a disproportionation reaction to pro

283 et fission (SF) in heterodimers comprising a pentacene unit covalently bonded to another acene as we

284 e solid state with large void spaces between pentacene units of the crystal lattice.

285 ion from triplet excitons in polycrystalline pentacene using an electrochemical series of 12 differen

286 enzo[d,d]thieno[3,2-b;4,5-b]dithiophene) and pentacene using combined in situ sum frequency generatio

287 H amination in the same substrate provided a pentacene viz., 9H-indolo-pyrrolo[2,1-a]isoquinoline.

288 ing from 2-aminoquinoline, we could generate pentacenes, viz., indolo-imidazo[1,2-a]quinolines.

289 is(triisopropylsilylethynyl) pentacene (TIPS pentacene) was used as a model semiconductor material to

290 an intermediate for an organic semiconductor pentacene, was synthesized by single step solvent free s

291 lts of experiments performed on graphite and pentacene, we explain how 3D-AFM data acquisition works,

292 derstand the mechanism of singlet fission in pentacene, we use a well-developed diabatization scheme

293 ganic molecular semiconductors tetracene and pentacene were used to prepare metal-insulator-semicondu

294 nusual result is obtained for the decaphenyl pentacene when devices are fabricated on its crystalline

295 nlike ultrafast (~100 fs) singlet fission in pentacene where two-electron transfer from the multiexci

296 However, in contrast to pentacene, where fission is effectively unidirectional,

297 For pentacene, where fission is exothermic, coherent mixing

298 s difficulty by utilizing covalent dimers of pentacene with two types of side groups.

299 We synthesized anthracenes, tetracenes, and pentacenes with various substituents at the periphery, i

300 h of the electronic coupling between the two pentacenes, with transient absorption spectroscopy as th