4.6 Article

Hole-transport-material-free perovskite solar cells based on nanoporous gold back electrode

Journal

RSC ADVANCES
Volume 5, Issue 72, Pages 58543-58548

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra11720h

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Funding

  1. national Natural Science Foundation of China [11174129, 61377051]
  2. National Basic Research Program of China [2011CB933303, 2013CB632404]
  3. Science and Technology Research Program of Jiangsu Province [BK20130053]

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Easily fabricated, directly transferred thin nanoporous gold was first used as a back electrode for hole-transport-material-free perovskite solar cells. In order to infiltrate CH3NH3PbI3 into the pores of mesoporous layers and the nanoporous gold back electrode, three ways, namely one-step spin-coating deposition, sequential deposition, and two-step spin-coating deposition were introduced to fabricate CH3NH3PbI3. The devices containing well infiltrated CH3NH3PbI3 show the highest power conversion efficiency of 7.99%.

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