journal article·2024-06-05

Stable FAPbI3 Perovskite Solar Cells via Alkylammonium Chloride-Mediated Crystallization Control

Yan Chen, Boyuan Li, Yuxuan Ye, Xisheng Zhang, Baoning Wang, Honghong Fan, Brian Yuliarto, Sameh M. Osman, Yusuke Yamauchi, Yongqi Yin

ACS Applied Materials & Interfaces· Volume 16· Issue 22
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Abstract

α-Phase formamidinium lead iodide (FAPbI 3 ) perovskite solar cells (PSCs) have garnered significant attention, owing to their remarkable efficiency. Methylammonium chloride (MACl), a common additive, is used to control the crystallization of FAPbI 3, thereby facilitating the formation of the photoactive α-phase. However, MACl’s high volatility raises concerns regarding its stability and potential impact on the stability of the device. In this study, we partially substituted MACl with n -propylammonium chloride (PACl), which has a long alkyl chain, to promote the oriented crystallization of FAPbI 3, ultimately forming an δ-phase-free perovskite. The FAPbI 3 film containing PACl demonstrates an enhanced photoluminescence intensity and lifetime. Additionally, PACl’s presence at grain boundaries acts as a protective layer for the PSCs. Consequently, we achieved a power conversion efficiency (PCE) of 22.4% and exceptional stability. It maintains over 95% of initial PCE for 100 days in an N 2 glovebox, over 85% after 100 h of maximum power point tracking, and over 80% after 60 °C thermal aging.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China

Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, China

Advanced Functional Materials Laboratory, Engineering Physics Department, Faculty of Industrial Technology, Institut Teknologi Bandung, Bandung 40132, Indonesia

Research Center for Nanoscience and Nanotechnology (RCNN), Institut Teknologi Bandung, Bandung 40132, Indonesia

Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia

Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464−8603, Japan

Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland 4072, Australia

Department of Plant & Environmental New Resources and Graduate School of Green-Bio Science, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, South Korea

Funding

Harbin Normal University · King Saud University · Natural Science Foundation of Hubei Province · National Natural Science Foundation of China

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