LI Jia-qi, LIU Cai-xia, GUO Wen-bin. Role of Solution-processed V<sub>2</sub>O<sub>5</sub> in Organic Solar Cell[J]. Chinese Journal of Luminescence, 2013,34(9): 1245-1249
LI Jia-qi, LIU Cai-xia, GUO Wen-bin. Role of Solution-processed V<sub>2</sub>O<sub>5</sub> in Organic Solar Cell[J]. Chinese Journal of Luminescence, 2013,34(9): 1245-1249 DOI: 10.3788/fgxb20133409.1245.
Role of Solution-processed V2O5 in Organic Solar Cell
In order to improve the power conversion efficiency of the organic solar cell
a solution-processed vanadium pentoxide was used as an anode buffer layer. The solution-processed V
2
O
5
nanowire was synthesised by using hydrothermal method. The device structure was ITO/TiO
2
/P3HT: PCBM/V
2
O
5
/Ag. The influence of V
2
O
5
concentrations and annealing temperature on the device performance was investigated. The experimental results indicate that the power conversion efficiency (PCE of 2.35%) is the highest when the V
2
O
5
mass concentration is 300 g/mL
much higher than that without anode buffer (PCE of only 0.14%). Moreover
80 ℃ is the relative optimum annealing temperature of V
2
O
5
. Compared with thermal evaporation method
the solution-processed approach is relatively simple
attractive for mass production and greatly valuable for applications.
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references
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