Enhancement of the photoelectric performance in inverted bulk heterojunction solid solar cell with inorganic nanocrystals

Weiling Luan, Chengxi Zhang, Lingli Luo, Binxia Yuan, Lin Jin and Yong-Sang Kim

Applied Energy, 2017, vol. 185, issue P2, 2217-2223

Abstract: Nanocrystal/polymer solid solar cells have the advantages of low-cost, simple process, and flexible manufacture. In this work, ternary solid solar cells based on FeS2 and PbS nanocrystals exhibited photovoltaic conversion efficiency of 3.0% and 3.1%, respectively. As a kind of semiconductor with optical absorption in the visible and near-infrared regions, FeS2 nanocrystals matched well with the solar radiation spectrum. Furthermore, PbS Nanocrystals could increase the number of electrons, due to its multiple exciton effect. Additionally, the FeS2 nanocrystals solar cells showed high stability, with 83.3% of its initial efficiency remained after 15weeks of exposure in air, and kept good stable performance at 20–80°C. The photovoltaic conversion efficiency fluctuation magnitudes were also found to be smaller than quantum-dot sensitized solar cell under the same conditions.

Keywords: FeS2 nanocrystals; Polymer; Solid solar cell; Photovoltaic conversion efficiency; Stability (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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DOI: 10.1016/j.apenergy.2016.04.042

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