期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 115, 期 25, 页码 12611-12615出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp201890q
关键词
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资金
- Jilin Provincial Science and Technology Department [20070402, 20080330]
- National Natural Science Fundation of China [60877041]
- China 863 Program [2008AA03Z4471011]
A WO3/Ag/WO3 multilayer structure was introduced as a transparent top anode in semitransparent inverted organic solar cells. The inner WO3 film served as a hole extraction layer, while the outer WO3 film acted as a light coupling layer to enhance optical transmittance of the devices. The dependence of device performances on the thickness of the outer WO3 capping layer was investigated. Experimental results showed that both optical and electrical properties of the devices with WO3/Ag/WO3 as a transparent top anode could be tailored by varying the thickness of the outer WO3 capping layer. The spatial distribution of the optical field and the exciton generation rate across the active layer were calculated to discuss the effect of the thickness of the outer WO3 capping layer on the photocurrent.
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