DataVXACS Applied Materials & InterfacesPaper
journal article·2022-05-25Open access

Area-Scalable Zn2SnO4 Electron Transport Layer for Highly Efficient and Stable Perovskite Solar Modules

Xuehui Liu, Yi Zhang, Min Chen, Chuanxiao Xiao, Keith Gregory Brooks, Jianxing Xia, Xiao-Xin Gao, Hiroyuki Kanda, Sachin Kinge, Abdullah M. Asiri, Joseph M. Luther, Yaqing Feng, Paul J. Dyson, Mohammad Khaja Nazeeruddin

ACS Applied Materials & Interfaces· Volume 14· Issue 20
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Source abstract

Abstract

The development of a scalable chemical bath deposition (CBD) process facilitates the realization of electron-transporting layers (ETLs) for large-area perovskite solar modules (PSMs). Herein, a method to prepare a uniform and scalable thick Zn2SnO4 ETL by CBD, which yielded high-performance PSMs, is reported. This Zn2SnO4 ETL exhibits excellent electrical properties and enhanced optical transmittance in the visible region. Moreover, the Zn2SnO4 ETL influences the perovskite layer formation, yielding enhanced crystallinity, increased grain size, and a smoother surface, thus facilitating electron extraction and collection from the perovskite to the ETL. Zn2SnO4 thereby yields PSMs with a remarkable photovoltaic performance, low hysteresis index, and high device reproducibility. The champion PSM exhibited a power conversion efficiency (PCE) of 22.59%, being among the highest values published so far. In addition, the CBD Zn2SnO4-based PSMs exhibit high stability, retaining more than 88% of initial efficiency over 1000 h under continuous illumination. This demonstrates that CBD Zn2SnO4 is an appropriate ETL for high-efficiency PSMs and a viable new process for their industrialization.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materialsMaterials processing

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films

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

Affiliations

Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL Valais Wallis), CH-1951 Sion, Switzerland

School of Chemical Engineering and Technology, Tianjin University, 135 Yaguan Road, Tianjin 300350, China

National Renewable Energy Laboratory, Golden, Colorado 80401, United States

Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, Zhejiang Province 315201, China

Ningbo New Material Testing and Evaluation Center CO., Ltd, Ningbo City, Zhejiang Province 315201, China

Toyota Motor Corporation, Toyota Motor Technical Centre, Advanced Technology Div., Hoge Wei 33, B-1930 Zaventum, Belgium

Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, 21589 Jeddah, Saudi Arabia

Funding

Office of Energy Efficiency and Renewable Energy · China Scholarship Council · Deputyship for Research & Innovation, Ministry of Education in Saudi Arabia

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