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CdS/CdSe quantum dot-sensitized solar cells based on ZnO nanoparticle/nanorod composite electrodes

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Abstract

Zinc oxide (ZnO) films were deposited on fluorine-doped tin oxide (FTO) glass substrates with the application of polysulfide redox reactions and a CuS counter electrode to fabricate CdS/CdSe quantum dot-sensitized solar cells (QDSCs). In the present study, ZnO nanoparticles were deposited in the interstices of the ZnO nanorods. The performance of the QDSCs was improved by the ZnO nanoparticle/ nanorod composite structure because the ZnO nanorods exhibit high electron transport, and while the ZnO nanoparticles have a large surface area for QD deposition. The ZnO nanoparticle/nanorod composite films represent a promising achievement for enhancing the conversion efficiency of QDSCs.

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Authors and Affiliations

  1. Department of Electrical Engineering, Pusan National University, Busan, 609-735, Korea

    Soo-Kyoung Kim & Hee-Je Kim

  2. Department of Chemistry, Dongguk University-Seoul, Seoul, 100-715, Korea

    C. Justin Raj

Authors
  1. Soo-Kyoung Kim
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  2. C. Justin Raj
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  3. Hee-Je Kim
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Correspondence to Hee-Je Kim.

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Kim, SK., Raj, C.J. & Kim, HJ. CdS/CdSe quantum dot-sensitized solar cells based on ZnO nanoparticle/nanorod composite electrodes. Electron. Mater. Lett. 10, 1137–1142 (2014). https://doi.org/10.1007/s13391-014-4144-0

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  • DOI: https://doi.org/10.1007/s13391-014-4144-0

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