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Effects of ITO film annealing temperature on hybrid solar cell performance

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Abstract

The effects of indium tin oxide (ITO) film annealing temperature on the performance of organic solar cells are investigated. The roughness of the ITO film surface morphology increased with increasing annealing temperature. The optical penetration and rate of exciton generation both increased with increasing ITO film annealing temperature, enhancing the short-circuit current density. The maximum efficiency (2.62 %) was obtained with an annealing temperature of about 500 °C. The incident-photon-to-current efficiency value for a hybrid photovoltaic device with an ITO film annealed temperature at 500 °C was 45 % at 475 nm.

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Acknowledgments

The authors would like to thank the National Science Council of Taiwan for financially supporting this research under contracts NSC 99-2221-E-492-023 and NSC 100-2628-E-151-003-MY3.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, 807, Taiwan

    Shi-Hao Wang, Te-Hua Fang, Sung-Long Chen & Shao-Hui Kang

  2. National Nano Device Laboratories, Tainan, 741, Taiwan

    Yu-Jen Hsiao

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  1. Shi-Hao Wang
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  2. Yu-Jen Hsiao
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Correspondence to Te-Hua Fang.

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Wang, SH., Hsiao, YJ., Fang, TH. et al. Effects of ITO film annealing temperature on hybrid solar cell performance. Microsyst Technol 20, 1181–1185 (2014). https://doi.org/10.1007/s00542-013-1910-0

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