講演情報

[18p-P09-15]Preparation of quasi-2D Sn-based perovskites for photovoltaic cells (Ⅱ)
-Effect of nitrogen-containing additives on stability-

〇(D)Chunqing Li1, Masatoshi Yanagida2, Yasuhiro Shirai2, Masahiro Fujita1, Masahiro Rikukawa1, Yuko Takeoka1 (1.Sophia Univ., 2.NIMS)

キーワード:

quasi-2D perovskite、Sn-based perovskite、Perovskite solar cells

Sn-based perovskite solar cells (PSCs) are non-toxic solar cells and have attracted much attention to replace lead-based PSCs. Sn-based perovskites face challenges, notably their stability due to the rapid oxidation of Sn2+ to Sn4+. This research aims to address these stability issues by investigating additives that can stabilize Sn2+ within the perovskite structure. To enhance stability, this study proposes additives that form strong coordination bonds with Sn2+ and possess numerous lone electron pairs.

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