Xuelong Huang

Gannan Medical University

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Haifeng He

Temper (United States)

Shengjian Liu

South China Normal University

Zhixiong Cao

Second Hospital of Shandong University

Fei Huang

South China University of Technology

Yong Cao

Beihang University

Ming-cong Wang

Jiangxi Science and Technology Normal University

Yuzhen Huang

University of Utah

Chao-xuan Feng

Jiangxi Science and Technology Normal University

Jia-kun Zhang

Jiangxi Science and Technology Normal University

Yifan Hu

Shandong Academy of Sciences

Cooperative Institutions

South China University of Technology

Chinese Academy of Sciences

Gannan Medical University

Jiangxi Science and Technology Normal University

State Key Laboratory of Luminescent Materials and Devices

South China Normal University

University of Chinese Academy of Sciences

Peking University

Tianjin University

Fudan University

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CCDC 2222887: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Haifeng He Jia-kun Zhang Xiaoyun Wu Feng Zhao Yuzhen Huang

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc2dm316

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A high stiffness and self-healable polyurethane based on disulfide bonds and hydrogen bonding

European Polymer Journal (2020)

Mao-Chen Liu Jiang Zhong Zijian Li Jinchuang Rong Kun Yang

Isocyanate

10.1016/j.eurpolymj.2020.109475

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Citations (163)

Low-bandgap conjugated polymers based on benzodipyrrolidone with reliable unipolar electron mobility exceeding 1 cm2 V−1 s−1

Science China Chemistry (2021)

Mingqun Yang Tian Du Xuxia Zhao Xuelong Huang Langheng Pan

Electron Mobility

HOMO/LUMO

Planarity testing

10.1007/s11426-021-9991-0

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Citations (26)

Triphenylamine or carbazole-containing dibenzothiophene sulfones: Color-tunable solid-state fluorescence and hypso- or bathochromic mechanofluorochromic behaviors

Dyes and Pigments (2020)

Lifeng Yao Xuelong Huang Hongying Xia Haifeng He Liang Shen

Bathochromic shift

Hypsochromic shift

Carbazole

Triphenylamine

Quantum yield

10.1016/j.dyepig.2020.108747

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Citations (22)

A New Ester‐Substituted Quinoxaline‐Based Narrow Bandgap Polymer Donor for Organic Solar Cells

Macromolecular Rapid Communications (2020)

Yue Luo Yingtong Luo Xuelong Huang Shengjian Liu Zhixiong Cao

Abstract The electron‐deficient ester group substitution in the sidechain of the commonly used electron‐withdrawing quinoxaline (Qx) unit is seldom studied, while ester‐substituted Qx units possess easy syntheses and facile modulation of the polymer solubility, and the enhanced electron‐withdrawing property of ester substituted Qx unit can theoretically broaden the optical absorption of the resulting polymers and improve the open circuit voltage in the corresponding organic solar cells (OSCs). In this work, a novel ester‐substituted Qx‐based narrow bandgap polymer (NBG) donor material PBDTT‐EFQx, which exhibits an absorption edge of 790 nm (bandgap < 1.6 eV), is designed and synthesized. Results show that the OSCs composed of PBDTT‐EFQx and PC 71 BM present the highest power conversion efficiency (PCE) of 6.8%, compared to PCEs of 5.0% for PBDTT‐EFQx:ITIC based devices and 4.1% for PBDTT‐EFQx:N2200 based devices, respectively. Characterizations and analyses indicate that the PC 71 BM‐based OSCs have well‐matched energy levels, better complementary light absorption, the highest and most balanced carrier mobilities, as well as the lowest degree of recombination losses, and therefore, leading to the highest PCE among the three types of OSCs. This work reveals that the ester‐substituted quinoxaline unit is one of the potential building blocks for NBG polymer donors.

Quinoxaline

Open-circuit voltage

10.1002/marc.202000683

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Citations (8)

Benzobisthiadiazole and Its Derivative-Based Semiconducting Polymer Nanoparticles for Second Near-Infrared Photoacoustic Imaging

Frontiers in Chemistry (2022)

Xuelong Huang Ning Lan Yanfeng Zhang Wei Zeng Haifeng He

Photoacoustic (PA) imaging has received more and more attention on disease diagnosis and fundamental scientific research. It is still challenging to amplify their imaging ability and reduce the toxicity of inorganic materials and exogenous contrast agents. Semiconducting polymer nanoparticles (SPNs), as a new type of contrast agent, have the advantages of low toxicity, flexible structure adjustment, good photostability, and excellent photothermal conversion efficiency. SPNs containing benzo(1,2- c ;4,5- c ′)bis(1,2,5)thiadiazole (BBT) units, as the most classic second near-infrared window (NIR-II, 1,000–1700 nm) PA contrast agents, can achieve light absorption in the NIR-II region, thereby effectively reducing light loss in biological tissues and improving imaging resolution. This mini review summarizes the recent advances in the design strategy of BBT and its derivative-based semiconducting polymer nanoparticles for second near-infrared photoacoustic imaging. The evolution process of BBT blocks provides a unique perspective for the design of high-performance NIR-II PA contrast agents.

10.3389/fchem.2022.842712

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Citations (13)

Novel narrow bandgap polymer donors based on ester-substituted quinoxaline unit for organic photovoltaic application

Solar Energy (2021)

Lingzhi Guo Xuelong Huang Yingtong Luo Shengjian Liu Zhixiong Cao

Quinoxaline

Active layer

Stille reaction

10.1016/j.solener.2021.03.004

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Citations (3)

Revealing the Molecular Weight Effect on Highly Efficient Polythiophene Solar Cells

ACS Applied Materials & Interfaces (2023)

Youle Li Xiyue Yuan Seoyoung Kim Yue Zhang Dongsheng Xie

Polythiophenes (PTs) are promising electron donors in organic solar cells (OSCs) due to their simple structures and excellent synthetic scalability. Benefiting from the rational molecular design, the power conversion efficiency (PCE) of PT solar cells has been greatly improved. Herein, five batches of the champion PT (P5TCN-F25) with molecular weights ranging from 30 to 87 kg mol-1 were prepared, and the effect of the molecular weight on the blend film morphology and photovoltaic performance of PT solar cells was systematically investigated. The results showed that the PCEs of the devices improved first and then maintained a high value with the increase of molecular weight, and the highest PCE of 16.7% in binary PT solar cells was obtained. Further characterizations revealed that the promotion in photovoltaic performance mainly comes from finer phase separation structures and more compact molecular packing in the blend film. The best device stabilities were also achieved by polymers with high molecular weights. Overall, this study highlights the importance of optimizing the molecular weight for PTs and offers directions to further improve the PCE of PT solar cells.

Polythiophene

Hybrid solar cell

10.1021/acsami.3c05411

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Citations (11)

CCDC 2222889: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Haifeng He Jia-kun Zhang Xiaoyun Wu Feng Zhao Yuzhen Huang

10.5517/ccdc.csd.cc2dm338

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Citations (0)

Low-bandgap conjugated polymers with photocurrent response over 1000 nm