DataVXACS Energy LettersPaper
journal article·2026-06-03

Ambient-Air Fabrication of Perovskite Films for Near-Infrared Light-Emitting Diodes

Jianhong Wu, Dongmin Qian, Xiuqin Yan, Yuxiao Cai, Fuyi Zhou, Yangyang Guo, Wei Zhu, Weiwei Lu, Ruishan Wang, Ziheng Zhou, Chao Ma, Yonghua Chen, Nana Wang, Yu Cao, Jianpu Wang

ACS Energy Letters
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Source abstract

Abstract

Perovskite light-emitting diodes (LEDs) are sensitive to the quality of the perovskite films, which typically require fabrication in inert atmospheres to avoid moisture-induced uncontrolled crystallization, thereby increasing manufacturing complexity and cost. Here, it is demonstrated that cesium iodide and zinc acetate suppress the formation of lead polyhalide intermediates and enable the rapid growth of three-dimensional perovskite in ambient air. This approach suppresses water-induced uncontrolled growth, leading to the formation of perovskite films with uniformly distributed grains and reduced trap density. With this approach, ambient-air-processed near-infrared perovskite LEDs with a peak external quantum efficiency of 20.2% and enhanced stability are demonstrated.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Optical Coatings and Gratings · Strong Light-Matter Interactions

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

Affiliations

State Key Laboratory of Flexible Electronics (LoFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies)

Nanjing Tech University (NanjingTech)

Strait Institute of Flexible Electronics (SIFE, Future Technologies)

Fujian Normal University

National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile and Clothing

Nantong University

Funding

National Key Research and Development Program of China · Jiangsu Provincial Department of Science and Technology · National Natural Science Foundation of China

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