Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 93, Issue 1, Pages 60-64Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2008.03.015
Keywords
Organic semiconductors; Cupc; Electrodeposition; Solar cells; Schottky diode
Funding
- National Science Foundation [NSF-NIRT-ECS-0609064]
- NSF-EPSCoR [EPS-0447479]
- Kentucky Science and Engineering Foundation [KSEF-148-502-02-27, KSEF-148-502-03-68]
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Schottky diode solar cells were fabricated on electrodeposited films of copper phthalocyanine (CuPc). The aluminum contact was deposited by two methods, viz. thermal evaporation and electron beam evaporation; the materials and electro-optical characteristics of these devices were compared. We achieved the highest ever reported open-circuit voltage of 1.19V with the electrodeposited CuPc films. This is in contrast to an open-circuit voltage of 0.907 V reported in Schottky diode cells with evaporated CuPc films. beta-Phase dominance in electrodeposited CuPc films was thought to be a major factor in enhanced performance. Effects of varying the CuPc thickness on the device performance were investigated. (C) 2008 Elsevier B.V. All rights reserved.
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