Film thickness effect on the performance of small molecular solar cell
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TM91

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    Abstract:

    An efficient organic photovoltaic (OPV) cell with an indium-tin-oxide/CuPc/C60/Ag structure has been investigated by changing the film thickness of organic layers. A high open-circuit voltage (Voc) of 0.5 V, a short-circuit current density (JSC) of 5.81 mA/cm2, and a high power conversion efficiency (ηp) of 1.2% were achieved at an optimum film thickness. The results demonstrate that material thickness is an important factor to cell optimization, especially for maximizing the absorption rate as well as reducing the cell resistance. Experimental results also indicate that the power conversion efficiency increases from 1.2% to 1.54% as a BCP exciton blocking layer of 10 nm is introduced.

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Hui Lin, Jun-sheng Yu, Jiang Huang, Ya-dong Jiang. Film thickness effect on the performance of small molecular solar cell[J]. Optoelectronics Letters,2008,4(5):321-323

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