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Green Synthesized CdSe Quantum Dots Capped by 3-Mercaptopropionic Acid Sensitized Solar Cells

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International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 155))

Abstract

In this paper, the green synthesized CdSe quantum dots (QDs) capped by 3-mercaptopropionic acid (MPA) sensitized solar cells are fabricated. Glycerol is chosen as the solvent to prepare the CdSe QDs, which makes the whole reaction is environmental-friendly. After MPA ligand exchanging, the as-synthesized CdSe QDs maintain the original absorbance at ca. 500 nm, coherence to the maximum absorbance of the solar spectrum. The strong photoluminescence quenching of the MPA capped QDs increases the nonradiative decay processes and is beneficial to the electron transfer. Then the MPA ligand exchanged QDs were assembled onto mesoscopic TiO2 film to integrate into QD sensitized solar cells. The power conversion efficiency of the QD-sensitized solar cells reaches 0.12 % under sun illumination (AM 1.5, 100 mW cm−2) and relatively mechanism is discussed.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China

    Bing Gao, Chao Shen, Yunxia Yang, Shuanglong Yuan & Guorong Chen

Authors
  1. Bing Gao
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  2. Chao Shen
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  3. Yunxia Yang
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  4. Shuanglong Yuan
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  5. Guorong Chen
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Corresponding authors

Correspondence to Yunxia Yang or Guorong Chen .

Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, Gebze Institute of Technology, Gebze, Kocaeli, Turkey

    Ahmet Yavuz Oral

  2. Department of Environmental Engineering, Gebze Institute of Technology, Gebze, Kocaeli, Turkey

    Zehra Banu Bahsi

  3. Department of Physics, Istanbul Kultur University, Istanbul, Turkey

    Mehmet Ozer

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Gao, B., Shen, C., Yang, Y., Yuan, S., Chen, G. (2014). Green Synthesized CdSe Quantum Dots Capped by 3-Mercaptopropionic Acid Sensitized Solar Cells. In: Oral, A., Bahsi, Z., Ozer, M. (eds) International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013). Springer Proceedings in Physics, vol 155. Springer, Cham. https://doi.org/10.1007/978-3-319-05521-3_2

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