Ambipolar Cu- and Fe-phthalocyanine single-crystal field-effect transistors

被引：108

作者：

de Boer, RWI ^{[1
]}

Stassen, AF ^{[1
]}

Craciun, MF ^{[1
]}

Mulder, CL ^{[1
]}

Molinari, A ^{[1
]}

Rogge, S ^{[1
]}

Morpurgo, AF ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Sci Appl, Kavli Inst Nanosci, NL-2628 CJ Delft, Netherlands

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 26期

关键词：

D O I：

10.1063/1.1984093

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the observation of ambipolar transport in field-effect transistors fabricated on single crystals of copper- and iron-phthalocyanine, using gold as a high work-function metal for the fabrication of source and drain electrodes. In these devices, the room-temperature mobility of holes reaches 0.3 cm(2)/V s in both materials. The highest mobility for electrons is observed for iron-phthalocyanines and is approximately one order of magnitude lower. Our measurements indicate that these values are limited by extrinsic contact effects due to the transistor fabrication and suggest that considerably higher values for the electron and hole mobility can be achieved in these materials.

引用

页码：1 / 3

页数：3

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