Hongkun Tian

Chinese Academy of Sciences

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Lixiang Wang

State Key Laboratory of Polymer Physics and Chemistry

Yunfeng Deng

Tianjin University

Shumeng Wang

Changchun Institute of Applied Chemistry

Junqiao Ding

Changchun Institute of Applied Chemistry

Yanhou Geng

Tianjin University

Zhiyuan Xie

Energy Foundation

Weili Li

University of Chester

Qingqing Yang

Anhui University

Haifeng Ling

Nanjing University of Posts and Telecommunications

Ting Jiang

Nanchang University

Cooperative Institutions

Chinese Academy of Sciences

State Key Laboratory of Polymer Physics and Chemistry

Changchun Institute of Applied Chemistry

University of Chinese Academy of Sciences

Tianjin University

University of Science and Technology of China

Nanjing University of Posts and Telecommunications

Collaborative Innovation Center of Chemical Science and Engineering Tianjin

Yunnan University

National University of Singapore

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De novo design of single white-emitting polymers based on one chromophore with multi-excited states

Chemical Engineering Journal (2022)

Dengfeng Mei Libing Yan Xinrui Liu Lei Zhao Shumeng Wang

Chromophore

Acridine

Phototoxicity

10.1016/j.cej.2022.137004

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Citations (14)

Low bandgap conjugated polymers based on mono-fluorinated isoindigo for efficient bulk heterojunction polymer solar cells processed with non-chlorinated solvents

Energy & Environmental Science (2014)

Yunfeng Deng Weili Li Lihui Liu Hongkun Tian Zhiyuan Xie

Isoindigo-based low bandgap conjugated polymers soluble in non-chlorinated solvents have been synthesizedvialowering regioregularity for 7.5% BHJ PSCs witho-xylene as processing solvent.

Hybrid solar cell

10.1039/c4ee02362e

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Citations (72)

An n-type organoboron polymer for red-light-selective organic photodetectors

Science Bulletin (2024)

Xu Cao Hongkun Tian Lu Zhang Jun Liu Lixiang Wang

Organoboron Compounds

10.1016/j.scib.2024.06.007

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Tetrachromatic vision-inspired neuromorphic sensors with ultraweak ultraviolet detection

Nature Communications (2023)

Ting Jiang Yiru Wang Yingshuang Zheng Le Wang Xiang He

Sensing and recognizing invisible ultraviolet (UV) light is vital for exploiting advanced artificial visual perception system. However, due to the uncertainty of the natural environment, the UV signal is very hard to be detected and perceived. Here, inspired by the tetrachromatic visual system, we report a controllable UV-ultrasensitive neuromorphic vision sensor (NeuVS) that uses organic phototransistors (OPTs) as the working unit to integrate sensing, memory and processing functions. Benefiting from asymmetric molecular structure and unique UV absorption of the active layer, the as fabricated UV-ultrasensitive NeuVS can detect 370 nm UV-light with the illumination intensity as low as 31 nW cm-2, exhibiting one of the best optical figures of merit in UV-sensitive neuromorphic vision sensors. Furthermore, the NeuVS array exbibits good image sensing and memorization capability due to its ultrasensitive optical detection and large density of charge trapping states. In addition, the wavelength-selective response and multi-level optical memory properties are utilized to construct an artificial neural network for extract and identify the invisible UV information. The NeuVS array can perform static and dynamic image recognition from the original color image by filtering red, green and blue noise, and significantly improve the recognition accuracy from 46 to 90%.

Neuromorphic engineering

Ultraviolet

10.1038/s41467-023-37973-0

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Efficient narrowband red electroluminescence from a thermally activated delayed fluorescence polymer and quantum dot hybrid

Chemical Engineering Journal (2022)

Liuqing Yang Xuefei Li Qingqing Yang Shumeng Wang Hongkun Tian

Narrowband

Quantum Efficiency

10.1016/j.cej.2022.135221

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Citations (8)