Electronic and optical properties of functionalized pentacene compounds in the solid state

Brooks, J. S.; Eaton, D. L.; Anthony, John E.; Parkin, Sean; Brill, J. W.; Sushko, Yu. V.

doi:10.1016/s1567-1739(01)00028-1

Cited by 25 publications

(27 citation statements)

References 6 publications

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“…4,5 The most critical factor in maintaining carrier mobility of TIPS-P is the formation of the crystalline phase, which has good p-p overlap of pentacene aromatic rings. 6,7 In published studies, simple methods for forming TIPS-P crystalline phases include common solution methods, e.g., rubbing, solution-casting, and drop-casting on an inclined substrate. [4][5][6][7] Some group have tried mixing TIPS-P with other components, like graphene flakes, to modify the crystallization and performance of TIPS-P films.…”

Section: Introductionmentioning

confidence: 99%

“…6,7 In published studies, simple methods for forming TIPS-P crystalline phases include common solution methods, e.g., rubbing, solution-casting, and drop-casting on an inclined substrate. [4][5][6][7] Some group have tried mixing TIPS-P with other components, like graphene flakes, to modify the crystallization and performance of TIPS-P films. 8 A high hole mobility of 0.8-4.6 cm 2 V À1 s…”

Section: Introductionmentioning

confidence: 99%

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Ultrathin polycrystalline 6,13-Bis(triisopropylsilylethynyl)-pentacene films

Jung

Zhang

Nikiforov

et al. 2014

Journal of Vacuum Science &Amp; Technology A: Vacuum, Surfaces, and Films

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Articles you may be interested inInterfacial nucleation behavior of inkjet-printed 6,13 bis(tri-isopropylsilylethynyl) pentacene on dielectric surfaces J. Appl. Phys. 117, 024902 (2015) Ultrathin (<6 nm) polycrystalline films of 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-P) are deposited with a two-step spin-coating process. The influence of spin-coating conditions on morphology of the resulting film was examined by atomic force microscopy. Film thickness and RMS surface roughness were in the range of 4.0-6.1 and 0.6-1.1 nm, respectively, except for small holes. Polycrystalline structure was confirmed by grazing incidence x-ray diffraction measurements. Near-edge x-ray absorption fine structure measurements suggested that the plane through aromatic rings of TIPS-P molecules was perpendicular to the substrate surface.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ultrathin polycrystalline 6,13-Bis(triisopropylsilylethynyl)-pentacene films

Jung

Zhang

Nikiforov

et al. 2014

Journal of Vacuum Science &Amp; Technology A: Vacuum, Surfaces, and Films

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“…단분자 용액 반도체에서 6,13-bis (Triisopropyl silyleth ynyl) (1724) (TIPS-pentacene)은 높은 이동도 때문에 OTFTs에 널 리 사용되고 있다. [4,8] TIPS-pentacene의 성능을 향상 시키기 위하여 다양한 실험결과들이 발표된 바 있다. [9] 끓는점이 다른 두 종류의 용매를 혼합하여 TIPS -pentacene 분자들이 결정화하는 시간을 조절함으로써 결정성을 제고하여 이동도를 개선한 사례가 있으며 [10] , 용매와 반 용매를 혼합하여 두 용매의 경계에 단결정을 형성하는 방법 [11] , 잉크젯 공정의 조건을 최적화하여 성 능을 개선하는 등 이동도를 개선할 수 있음을 보고한 바 있다 [12] .…”

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Performance Improvement of TIPS-pentacene OTFTs by blending with Polystyrene

Kim¹,

Song²

2013

Journal of the Institute of Electronics and Information Enginee

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In this paper we analyzed the effects of polystyrene(PS) blended in TIPS-pentacene on the performance of OTFTs. With the various molecular weight and the content of PS the performance of TIPS-pentacene OTFTs was examined and the proper molecular weight and the content were extracted for the best results. With the molecular weight of 9,580 and 0.3 wt% of PS OTFTs produced the mobility of 1.0 ± 0.19 ㎠/V·sec, the subthreshold slope 0.22 ± 0.05 V/dec, the threshold voltage -1.19 ± 1.21 V, the current on/of ratio 7.12 ± 2.09 × 10 6 . Additionally the suitable substrate temperature for ink jet printing of the blended TIPS-pentacene OTFTs was also extracted and it was 46 ℃.

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“…Unlike pentacene, functionalized pentacene is soluble in some organic solvents and can be spin-cast (a readily available technique for thin film preparation) for potential application studies. Intensive experimental studies have been performed in this area of research [3,4].…”

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confidence: 99%

“…In this work, we present a mass spectrometric study of pentacene and four derivatives: symmetric 6,13-bis-[(triisopropylsilyl)-ethynyl]-pentacene (TIPS), 5,14-bis-[(triisopropylsilyl)-ethynyl]-pentacene (offset TIPS or o-TIPS), 6,13-bis-[(triisopropylsilyl)-ethynyl]-pentacene-2,3-dicarbonitrile or TIPS(CN) 2 , and 6,13-bis-[(triisopropylsilyl)-ethynyl]-pentacene-2,3,9,10-tetracarbonitrile or TIPS(CN) 4 (derivatives with additional cyanide groups attached to the pentacene) (see Figure 1). The first two selected funtionalized pentacene derivatives have demonstrated significant conductivity enhancement [2]; the carbonitrile derivatives are newly synthesized molecules and not yet examined as material for OTFTs.…”

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confidence: 99%

Clustering of pentacene and functionalized pentacene ions in a matrix-assisted laser desorption/ionization orthogonal TOF mass spectrometer

Shcherbyna

Böhme

Baranov

et al. 2006

J. Am. Soc. Mass Spectrom.

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A high-performance orthogonal time-of flight (TOF) mass spectrometer, in combination with the matrix assisted laser desorption/ionization (MALDI) source operating at elevated pressure ( approximately 1 torr in N(2)), was used to perform MALDI-TOF analyses of pentacene and some of its derivatives with and without an added matrix. These molecules are among the most interesting semiconductor materials for organic thin film transistor applications (OTFT). The observation of ion-molecule reactions between "cold" analyte ions and neutral analyte molecules in the gas phase has provided some insight into the mechanism of pentacene cluster formation and its functionalized derivatives. Furthermore, some of the matrices employed to assist the desorption/ionization process of these compounds were observed to influence the outcome via ion-molecule reactions of analyte ions and matrix molecules in the gas phase. The stability and reactivity of the compounds and their clusters in the MALDI plume during gas-phase expansion were evaluated; possible structures of the resulting clusters are discussed. The MALDI-TOF technique was also helpful in distinguishing between two isomeric forms of bis-[(triisopropylsilyl)-ethynyl]-pentacene.

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Electronic and optical properties of functionalized pentacene compounds in the solid state

Cited by 25 publications

References 6 publications

Ultrathin polycrystalline 6,13-Bis(triisopropylsilylethynyl)-pentacene films

Ultrathin polycrystalline 6,13-Bis(triisopropylsilylethynyl)-pentacene films

Performance Improvement of TIPS-pentacene OTFTs by blending with Polystyrene

Clustering of pentacene and functionalized pentacene ions in a matrix-assisted laser desorption/ionization orthogonal TOF mass spectrometer

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