4.7 Article

Novel hole transporting materials with a linear pi-conjugated structure for highly efficient perovskite solar cells

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 44, Pages 5829-5832

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01637h

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Funding

  1. National High Technology Research and Development Program of China [2012AA030307]
  2. National Natural Science Foundation of China [21176180]
  3. Beijing Science and Technology Committee [Z131100006013003]

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Novel small-molecule hole transporting materials (HTMs) with a linear pi-conjugated structure have been synthesized. The perovskite solar cell based on 2TPA-2-DP as the HTM exhibits an encouraging power conversion efficiency of 9.1% under AM 1.5 G (100 mW cm(-2)) illumination, which is the first demonstration of an effective perovskite solar cell using a linear structured HTM.

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