Journal
SOLID STATE COMMUNICATIONS
Volume 149, Issue 19-20, Pages 771-774Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2009.02.035
Keywords
Hetrojunctions; Semiconductors; Polymers; Photoluminescence
Categories
Funding
- Council of Scientific and Industrial Research (CSIR)
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An inorganic/organic hetrojunction has been fabricated by spin coating the p-type polymer poly(3,4 ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on an n-type zinc oxide (ZnO) film. The ZnO film was deposited by the ultrasonically assisted chemical vapor deposition method on a patterned indium tin oxide (ITO) coated glass substrate. Gold was deposited on top of the PEDOT:PSS film by thermal evaporation. The current-voltage (I-V) characteristic of ZnO/PEDOT:PSS shows diode-like behavior. The I-V characteristic was examined in the framework of the thermionic emission model. The ideality factor and barrier height were obtained as 3.8 and 0.63 eV respectively. (C) 2009 Elsevier Ltd. All rights reserved.
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