Volume 106, Number 1, April 2014
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||08 April 2014|
Limitation of the concept of transport energy in disordered organic semiconductors
Institute of Microelectronics, Chinese Academy of Sciences - Beijing, 100029, China
Received: 8 December 2013
Accepted: 20 March 2014
A systematic study of transport energy in disordered organic semiconductors based on the variable range hopping theory is presented here. The temperature–, electric-field–, material-disorder–and carrier-concentration–dependent transport energy are discussed extensively. We demonstrate that the transport energy is not a general concept and is of limitation even in a low electric field and concentration regime.
PACS: 72.20.Ee – Mobility edges; hopping transport / 72.80.Le – Polymers; organic compounds (including organic semiconductors) / 73.61.Ph – Polymers; organic compounds
© EPLA, 2014
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