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Weijun Li
Researcher at Zhejiang University of Technology
Publications - 80
Citations - 5087
Weijun Li is an academic researcher from Zhejiang University of Technology. The author has contributed to research in topics: Electrochromism & Triphenylamine. The author has an hindex of 24, co-authored 76 publications receiving 3656 citations. Previous affiliations of Weijun Li include Jilin University.
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Highly Efficient Near-Infrared Organic Light-Emitting Diode Based on a Butterfly-Shaped Donor-Acceptor Chromophore with Strong Solid-State Fluorescence and a Large Proportion of Radiative Excitons
TL;DR: Experimental and theoretical investigations were carried out to understand the excited-state properties of PTZ-BZP, a butterfly-shaped D-A compound that breaks through the limit of 25 % in conventional fluorescent OLEDs.
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A Twisting Donor-Acceptor Molecule with an Intercrossed Excited State for Highly Efficient, Deep-Blue Electroluminescence
Weijun Li,Dandan Liu,Fangzhong Shen,Dongge Ma,Zhiming Wang,Tao Feng,Yuanxiang Xu,Bing Yang,Yuguang Ma +8 more
TL;DR: In this paper, a twisting donor-acceptor (D-A) triphenylamine-imidazol molecule, TPA-PPI, is reported: its synthesis, photophysics, and EL performance.
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Employing ∼100% Excitons in OLEDs by Utilizing a Fluorescent Molecule with Hybridized Local and Charge-Transfer Excited State
Weijun Li,Yuyu Pan,Ran Xiao,Qiming Peng,Shitong Zhang,Dongge Ma,Feng Li,Fangzhong Shen,Yinghui Wang,Bing Yang,Yuguang Ma +10 more
TL;DR: In this paper, a twisting donor-acceptor triphenylamine-thiadiazol molecule (TPA-NZP) exhibits fluorescent emission through a hybridized local and charge-transfer excited state (HLCT), which is demonstrated from both fluorescent solvatochromic experiment and quantum calculations.
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Achieving a Significantly Increased Efficiency in Nondoped Pure Blue Fluorescent OLED: A Quasi-Equivalent Hybridized Excited State
Shitong Zhang,Liang Yao,Qiming Peng,Weijun Li,Yuyu Pan,Ran Xiao,Yu Gao,Cheng Gu,Zhiming Wang,Ping Lu,Feng Li,Shi-Jian Su,Bing Yang,Yuguang Ma +13 more
TL;DR: In this article, a fine excited state modulation was carried out to reach a golden combination of the high PL efficiency locally emissive (LE) component and the high exciton utilizing charge transfer (CT) component in one excited state.
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A Hybridized Local and Charge-Transfer Excited State for Highly Efficient Fluorescent OLEDs: Molecular Design, Spectral Character, and Full Exciton Utilization
Weijun Li,Yuyu Pan,Liang Yao,Haichao Liu,Shitong Zhang,Chu Wang,Fangzhong Shen,Ping Lu,Bing Yang,Yuguang Ma,Yuguang Ma +10 more
TL;DR: In this paper, a series of twisting donor-acceptor (D-A) molecules are designed and synthesized, and their HLCT state characters are verified by both fluorescent solvatochromic experiments and quantum chemical calculations.