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Journal of Materials Science

, Volume 50, Issue 20, pp 6668–6676 | Cite as

The effect of Ni(CH3COO)2 post-treatment on the charge dynamics in p-type NiO dye-sensitized solar cells

  • Qian Liu
  • Lifang Wei
  • Shuai Yuan
  • Xin Ren
  • Yin ZhaoEmail author
  • Zhuyi Wang
  • Meihong Zhang
  • Liyi ShiEmail author
  • Dongdong Li
Original Paper

Abstract

The present work reports a simple Ni(CH3COO)2 post-treatment method, meanwhile represents a series of characterizations of bare and post-treated NiO photocathodes. The investigation enlightens the mechanisms responsible for NiO surface changes and its effects on the charge density, band-edge shifts, hole injection efficiency, interface recombination, transport, collection efficiency, and as the result influence on the photovoltaic devices’ performance. The primary results demonstrate that Ni(CH3COO)2 post-treatment can offer an effective way of decreasing surface NiO(OH) structure, resulting in diminishing the hole recombination, increasing the charge collection efficiency, and leading to 31.3 % increased photovoltaic performance.

Keywords

Photovoltaic Performance Hole Injection Charge Carrier Density Charge Collection Efficiency Interface Recombination 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors acknowledge the support of National Natural Science Foundation of China (51302164, 51472154, 51202138 and 51202140), Natural Science Foundation of Shanghai (13ZR1417100, 12ZR1410500), Shanghai Municipal Science and Technology Commission (13DZ2292100), Baoshan District Science and Technology Commission of Shanghai (bkw2013142), Professional and Technical Service Platform for Designing and Manufacturing of Advanced Composite Materials, Shanghai, and East China University of Science and Technology.

Supplementary material

10853_2015_9221_MOESM1_ESM.doc (216 kb)
Supplementary material 1 (DOC 216 kb)

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Qian Liu
    • 1
  • Lifang Wei
    • 1
  • Shuai Yuan
    • 1
  • Xin Ren
    • 1
  • Yin Zhao
    • 1
    Email author
  • Zhuyi Wang
    • 1
  • Meihong Zhang
    • 1
  • Liyi Shi
    • 1
    Email author
  • Dongdong Li
    • 2
  1. 1.Research Center of Nanoscience and NanotechnologyShanghai UniversityShanghaiChina
  2. 2.Division of Energy and Environment Research, Shanghai Advanced Research InstituteChinese Academy of SciencesShanghaiChina

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