Functionalized Phenyl Methanaminium Salts Provide Highly Stable Perovskite Solar Cells.

IF 8.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2025-03-26 Epub Date: 2025-03-16 DOI:10.1021/acsami.5c00985

Mustafa Yaşa, Esra Bag Celik, Xiao-Xin Gao, Zeynep Gözükara Karabağ, Ummugulsum Gunes, Olga A Syzgantseva, Maria A Syzgantseva, Liping Zhong, Andreas Züttel, Paul J Dyson, Mohammad Khaja Nazeeruddin, Levent Toppare, Selcuk Yerci, Gorkem Gunbas

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引用次数: 0

Abstract

One of the leading approaches to enhancing the performance and stability of perovskite solar cells (PSCs) involves passivating the perovskite surface and grain boundaries with large ammonium salts. Here, we report the synthesis of furan-, thiophene-, and selenophene-functionalized phenyl methanaminium iodide salts (FPMAI, TPMAI, and SPMAI) and their application as passivating agents on 3D [(Cs_0.04FA_0.85MA_0.11)Pb(I_0.96Br_0.01Cl_0.03)₃] perovskite. The TPMAI-passivated PSCs performed the best and achieved a power conversion efficiency (PCE) of 23.15% compared to the reference (without a passivating agent) at 20.91%. Efficiencies reduced to 98 and 54% of the initial value after 1250 h of continuous illumination for TPMAI-treated PSCs and the reference, respectively. DFT calculations revealed that TPMAI offers superior passivation, disfavoring iodine vacancy formation. Our findings highlight the potential of functionalized PMAI salts as passivation agents for improved efficiency and stability in PSCs.

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功能化苯甲胺盐提供高度稳定的钙钛矿太阳能电池。

提高钙钛矿太阳能电池（PSCs）性能和稳定性的主要方法之一是用大铵盐钝化钙钛矿表面和晶界。本文报道了呋喃-、噻吩-和硒烯-功能化的苯基甲基碘化胺盐（FPMAI、TPMAI和SPMAI）的合成及其在3D [(Cs0.04FA0.85MA0.11)Pb(I0.96Br0.01Cl0.03)3]钙钛矿上的钝化应用。tpmai钝化后的psc表现最好，功率转换效率（PCE）为23.15%，而参考材料（未钝化剂）为20.91%。连续照射1250小时后，tpmai处理的psc和参考材料的效率分别下降到初始值的98%和54%。DFT计算表明TPMAI具有较好的钝化作用，不利于碘空位的形成。我们的研究结果强调了功能化PMAI盐作为钝化剂在psc中提高效率和稳定性的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.