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ossila材料Picene

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产品名称: ossila材料Picene
产品型号: 213-46-7
产品展商: Ossila
产品文档:
 MSDS picene

简单介绍


ossila材料Picene  的详细介绍

Picene, an isomer of pentacene with an armchair arrangement of benzene rings, can be regarded as a fragment of a graphene sheet. Picene is more chemically-stable than pentacene because of its larger energy band gap (3.3 eV) and larger ionization potential (5.5 eV).

p-Channel FET characteristics of the picene thin-film FET can be significantly enhanced by exposure to O2, with the field-effect mobility (μ) reaching 1.4 – 3.2 cm2V–1 s–1. It is believed that the highest two picene orbitals are inverted due to the strong interactions between the singly-occupied oxygen π orbital and the highest occupied orbital of picene [2, 3]. The μ value of the picene thin-film FET can be further improved to 5 cm2V–1 s–1 under 500 torr of O2, the highest μ reported to date for an organic thin-film FET.

Like graphite or other 2D materials, picene can be intercalated with metal (e.g. potassium). The magnetic properties of the Kx picene solids also show superconducting transitions at 7 K and 18 K [4].

General Information

CAS number 213-46-7
Full name 1,2:7,8-Dibenzophenanthrene
Chemical formula C22H14
Molecular weight 278.35 g/mol
Absorption λmax 285 nm in DCM (lit.)
Fluorescence n/a
HOMO/LUMO HOMO = 5.5 eV, LUMO = 2.2 eV [1]
Classification / Family Polycyclic aromatic hydrocarbon (PAHs), Phenacene, High-performance Field-effect transistors, Superconductivity, 2D materials.

Product Details

Purity Unsublimed > 99% (HPLC)
Melting point 366-367 °C
Appearance White crystals/powder
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