Improving Performance of Lead‐Free Formamidinium Tin Triiodide Perovskite Solar Cells by Tin Source Purification (Solar RRL 10∕2018) | Zendy

Gu Feidan | Zendy; Ye Senyun | Zendy; Zhao Ziran | Zendy; Rao Haixia | Zendy; Liu Zhiwei | Zendy; Bian Zuqiang | Zendy; Huang Chunhui | Zendy

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Improving Performance of Lead‐Free Formamidinium Tin Triiodide Perovskite Solar Cells by Tin Source Purification (Solar RRL 10∕2018)

Author(s) -

Gu Feidan,

Ye Senyun,

Zhao Ziran,

Rao Haixia,

Liu Zhiwei,

Bian Zuqiang,

Huang Chunhui

Publication year - 2018

Publication title -

solar rrl

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.544

H-Index - 37

ISSN - 2367-198X

DOI - 10.1002/solr.201870217

Subject(s) - tin , triiodide , formamidinium , perovskite (structure) , materials science , fabrication , chemical engineering , nanotechnology , chemistry , metallurgy , dye sensitized solar cell , engineering , medicine , alternative medicine , electrode , pathology , electrolyte

The purity of tin (Sn) sources is vital in terms of Sn‐based perovskite solar cells’ fabrication. In article no. 1800136 , Zhiwei Liu, Zuqiang Bian, and co‐workers propose a simple purification method to reduce the detrimental Sn 4+ existing in the precursor solutions by adding Sn powder. Aft er purification, the efficiency of FASnI 3 ‐based solar cells prepared from 99% SnI 2 is elevated from 0.09% to a maximum value of 6.75% due to the improved morphology and lessened recombination loss.

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