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Langmuir. 2013 Aug 13;29(32):9967-71. doi: 10.1021/la401611v. Epub 2013 Aug 1.

Synthesis of a p-type semiconducting phenothiazine exfoliatable layered crystal.

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1
Department of Chemistry, Pohang University of Science and Technology (POSTECH), San 31, Hyoja-Dong, Nam-Gu, Pohang 790-784, Korea.

Abstract

Phenothiazine (PTZ) crystals are grown by a physical vapor transport method in a horizontal tube furnace. The resulting disk-type PTZ single crystals have a layered structure, which can be mechanically exfoliated into stacked individual layers to exhibit various colors depending on the thickness. The PTZ single-crystal field-effect transistor (FET) devices exhibit a p-type semiconducting property with 3.03 × 10(-6) S/cm electrical conductivity, 1.15 × 10(-4) cm(2)/(V s) carrier mobility, and a 10(4) on/off ratio.

PMID:
23883168
DOI:
10.1021/la401611v
[Indexed for MEDLINE]
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