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P1802

Sigma-Aldrich

Pentacene

99%

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About This Item

Formule empirique (notation de Hill):
C22H14
Numéro CAS:
135-48-8
Poids moléculaire :
278.35
Numéro Beilstein :
1912418
Numéro CE :
205-193-7
Numéro MDL:
MFCD00003710
Code UNSPSC :
12352103
ID de substance PubChem :
24898247
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Pureté

99%

Forme

powder

Pf

372-374 °C (subl.)

Solubilité

organic solvents: slightly soluble

Énergie orbitale

HOMO 5 eV 
LUMO 3 eV 

Performance des dispositifs OPV

ITO/pentacene/C60/BCP/Al

  • Short-circuit current density (Jsc): 15 mA/cm2
  • Open-circuit voltage (Voc): 0.36 V
  • Fill Factor (FF): 0.5
  • Power Conversion Efficiency (PCE): 2.7 %

Propriétés du semi-conducteur

P-type (mobility=0.4-3 cm2/V·s) (on/off ratio=1E5-1E8)

Chaîne SMILES 

c1ccc2cc3cc4cc5ccccc5cc4cc3cc2c1

InChI

1S/C22H14/c1-2-6-16-10-20-14-22-12-18-8-4-3-7-17(18)11-21(22)13-19(20)9-15(16)5-1/h1-14H

Clé InChI

SLIUAWYAILUBJU-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Pentacene belongs to the class of fused polycyclic hydrocarbons that are a part of the acene family with five rings. It is majorly utilized in electronic applications due to its high hole mobility of 1200 cm2V−1s−1 and fluorescent absorption peak at the wavelength of 578 nm.
Pentacene is a popular organic semi conductor. Upon deposition on any insulating substrate, the molecules organize to form polycrystalline films. The pentacene films show good transport properties. The hydrogen atoms which surround the carbon backbone are less electronegative than the carbon backbone itself and lend some electron density to the delocalized pi-electron cloud. It can also form large crystals.

Application

Pentacene can be functionalized by treating it with poly(4-vinyl phenol) (PVP), which can be used to reduce the surface energy of organic thin film transistors (OTFTs) and increase the hole mobility by 109%. It is mainly used in the fabrication of field effect transistors, which can be doped with iodine to increase the threshold voltage up to 140 V.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Sigma-Aldrich

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Sigma-Aldrich

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Iodine doping enabled wide range threshold voltage modulation in pentacene transistors
Wang YW, et al.
Thin Solid Films, 669(3), 29-33 (2019)
Surface Treatments of Poly (4-Vinyl Phenol) Insulator for High-Performance Pentacene Thin-Film Transistors
Jang Y, et al.
IEEE Transactions on Device and Materials Reliability, 17(3), 522-525 (2017)
Bias stress instability in pentacene thin film transistors: Contact resistance change and channel threshold voltage shift.
Wang SD, et al.
Applied Physics Letters, 92(6), 063305-063305 (2008)
The larger acenes: versatile organic semiconductors
Anthony JE
Angewandte Chemie (International Edition in English), 47(3), 452-483 (2008)
Young Jin Choi et al.
ACS nano, 13(7), 7877-7885 (2019-06-28)
This paper introduces a strategy to modulate a Schottky barrier formed at a graphene-semiconductor heterojunction. The modulation is performed by controlling the work function of graphene from a gate that is placed laterally away from the graphene-semiconductor junction, which we
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