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Nat Commun. 2019 Jan 03;10(1):16. doi: 10.1038/s41467-018-07951-y.

Highly stable and efficient all-inorganic lead-free perovskite solar cells with native-oxide passivation.

Nature communications

Min Chen, Ming-Gang Ju, Hector F Garces, Alexander D Carl, Luis K Ono, Zafer Hawash, Yi Zhang, Tianyi Shen, Yabing Qi, Ronald L Grimm, Domenico Pacifici, Xiao Cheng Zeng, Yuanyuan Zhou, Nitin P Padture

Affiliations

  1. School of Engineering, Brown University, Providence, Rhode Island, 02912, USA.
  2. Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588, USA.
  3. Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA, 01609, USA.
  4. Energy Materials and Surface Sciences Unit, Okinawa Institute of Science and Technology Graduate University, Okinawa, 904-0495, Japan.
  5. School of Engineering, Brown University, Providence, Rhode Island, 02912, USA. [email protected].
  6. School of Engineering, Brown University, Providence, Rhode Island, 02912, USA. [email protected].

PMID: 30604757 PMCID: PMC6318336 DOI: 10.1038/s41467-018-07951-y

Abstract

There has been an urgent need to eliminate toxic lead from the prevailing halide perovskite solar cells (PSCs), but the current lead-free PSCs are still plagued with the critical issues of low efficiency and poor stability. This is primarily due to their inadequate photovoltaic properties and chemical stability. Herein we demonstrate the use of the lead-free, all-inorganic cesium tin-germanium triiodide (CsSn

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