DataVXSmallPaper
journal article·2025-07

Mitigating Carrier and Energy Losses via Interface Modulator Toward High‐Performance Perovskite Solar Cells

Wangchao Chen, Xuan Chen, Shengcan Wang, Xin Yao, Hong Zhang, Yang Huang, Fei Chen, Fuling Guo, Chengwu Shi, Xu Pan

Small· Volume 21· Issue 29
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Source abstract

Abstract

Abstract Interface engineering has become the main force in reforming the photogenerated carrier and energy losses in perovskite solar cells (PSCs). Here, a multifaceted hole‐selective molecule C‐DPT, is designed and synthesized with methoxy‐triphenylamine‐carbazole and diphenyl‐triazine units, which is employed as the interface modulator between perovskite and hole transport layer. The introduction of C‐DPT endows the perovskite/hole transport layer heterojunction with a more flat physical contact, lower trap density, and faster hole extraction. The combined theoretical and experimental results decipher that C‐DPT possessing the compatible contact and favorable perovskite binding ability can efficiently boost the interfacial defect restoration, compensate the interfacial energetic offset, and promote the interfacial carrier transportation. As a result, C‐DPT‐modified PSC delivers a champion power conversion efficiency of 24.02% in conjunction with the pronouncedly improved long‐term ambient, thermal, and humidity stability.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

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

Affiliations

School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Value‐Added Catalytic Conversion and Reaction Engineering Hefei University of Technology (HFUT) Hefei 230009 China

Hebei Computational Optical Imaging and Photoelectric Detection Technology Innovation Center Hebei International Joint Research Center for Computational Optical Imaging and Intelligent Sensing School of Mathematics and Physics Science and Engineering Hebei University of Engineering (HUE) Handan 056038 China

Anhui Institute of Innovation for Industrial Technology Hefei 230088 China

Anhui Huasun Energy Co., Ltd Xuancheng 242000 China

Key Laboratory of Photovoltaic and Energy Conservation Material, Institute of Solid‐State Physics, Hefei Institutes of Physical Science (HIPS) Chinese Academy of Sciences Hefei 230031 China

Funding

Natural Science Foundation of Anhui Province · Natural Science Foundation of Hebei Province · National Natural Science Foundation of China

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