Dr. CHEN Xiankai (陳先凱)

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Research Output

  1. 2021

  2. Molecular packing of non-fullerene acceptors for organic solar cells: Distinctive local morphology in Y6 vs. ITIC derivatives

    Kupgan, G., Chen, X. K. & Brédas, J. L., Sep 2021, In: Materials Today Advances. 11, 100154.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 4
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  3. A unified description of non-radiative voltage losses in organic solar cells

    Chen, X., Qian, D., Wang, Y., Kirchartz, T., Tress, W., Yao, H., Yuan, J. & 10 others, Hülsbeck, M., Zhang, M., Zou, Y., Sun, Y., Li, Y., Hou, J., Inganäs, O., Coropceanu, V., Bredas, J. & Gao, F., Aug 2021, In: Nature Energy. 6, 8, p. 799-806

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 42
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  4. Thermally Activated Delayed Fluorescence Properties of Trioxoazatriangulene Derivatives Modified with Electron Donating Groups

    Tsuchiya, Y., Ishikawa, Y., Lee, S., Chen, X., Brédas, J., Nakanotani, H. & Adachi, C., 10 Jul 2021, In: Advanced Optical Materials. 9, 14, 2002174.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 7
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  5. Molecular Packing in the Active Layers of Organic Solar Cells Based on Non-Fullerene Acceptors: Impact of Isomerization on Charge Transport, Exciton Dissociation, and Nonradiative Recombination

    Kupgan, G., Chen, X. & Brédas, J., 26 Apr 2021, In: ACS Applied Energy Materials. 4, 4, p. 4002-4011

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 2
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  6. 2020

  7. Mechanism of Formation of Benzotrithiophene-Based Covalent Organic Framework Monolayers on Coinage-Metal Surfaces: C-C Coupling Selectivity and Monomer-Metal Interactions

    Zhang, D., Wang, G., Chen, C., Joshi, T., Chen, X., Evans, A. M., Matsumoto, M. & 4 others, Dichtel, W. R., Li, H., Crommie, M. F. & Brédas, J., 22 Dec 2020, In: Chemistry of Materials. 32, 24, p. 10688-10696

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 2
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  8. Fast spin-flip enables efficient and stable organic electroluminescence from charge-transfer states

    Cui, L., Gillett, A. J., Zhang, S., Ye, H., Liu, Y., Chen, X., Lin, Z. & 8 others, Evans, E. W., Myers, W. K., Ronson, T. K., Nakanotani, H., Reineke, S., Bredas, J., Adachi, C. & Friend, R. H., Oct 2020, In: Nature Photonics. 14, 10, p. 636-642

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 125
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  9. Electric field effects on organic photovoltaic heterojunction interfaces: The model case of pentacene/C60

    Bai, R., Zhang, C., Liu, Z., Chen, X., Wu, Y., Wang, W. & Chen, H., 15 Sep 2020, In: Computational and Theoretical Chemistry. 1186, 112914.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 5
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  10. A quantum-chemical insight into the role of charge-transfer states in organic emitters for electroluminescence

    Chen, X., Aug 2020, In: CCS Chemistry. 2, 4, p. 1256-1267

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 6
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  11. Delocalization of exciton and electron wavefunction in non-fullerene acceptor molecules enables efficient organic solar cells

    Zhang, G., Chen, X., Xiao, J., Chow, P. C. Y., Ren, M., Kupgan, G., Jiao, X. & 17 others, Chan, C. C. S., Du, X., Xia, R., Chen, Z., Yuan, J., Zhang, Y., Zhang, S., Liu, Y., Zou, Y., Yan, H., Wong, K. S., Coropceanu, V., Li, N., Brabec, C. J., Bredas, J., Yip, H. & Cao, Y., 2020, In: Nature Communications. 11, 3943.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 146
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  12. 2019

  13. Charge-transfer electronic states in organic solar cells

    Coropceanu, V., Chen, X., Wang, T., Zheng, Z. & Brédas, J., Nov 2019, In: Nature Reviews Materials. 4, 11, p. 689-707

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 120
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  14. Critical role of intermediate electronic states for spin-flip processes in charge-transfer-type organic molecules with multiple donors and acceptors

    Noda, H., Chen, X., Nakanotani, H., Hosokai, T., Miyajima, M., Notsuka, N., Kashima, Y. & 2 others, Brédas, J. & Adachi, C., Oct 2019, In: Nature Materials. 18, 10, p. 1084-1090

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 129
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  15. Low Energetic Disorder in Small-Molecule Non-Fullerene Electron Acceptors

    Kupgan, G., Chen, X. & Brédas, J., 3 Sep 2019, In: ACS Materials Letters. 1, 3, p. 350-353

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 17
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  16. High stability and luminescence efficiency in donor–acceptor neutral radicals not following the Aufbau principle

    Guo, H., Peng, Q., Chen, X., Gu, Q., Dong, S., Evans, E. W., Gillett, A. J. & 7 others, Ai, X., Zhang, M., Credgington, D., Coropceanu, V., Friend, R. H., Brédas, J. & Li, F., Sep 2019, In: Nature Materials. 18, 9, p. 977-984

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 81
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  17. Intramolecular Noncovalent Interactions Facilitate Thermally Activated Delayed Fluorescence (TADF)

    Chen, X., Bakr, B. W., Auffray, M., Tsuchiya, Y., Sherrill, C. D., Adachi, C. & Bredas, J., 20 Jun 2019, In: Journal of Physical Chemistry Letters. 10, 12, p. 3260-3268

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 35
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  18. Impact of Organic Spacers on the Carrier Dynamics in 2D Hybrid Lead-Halide Perovskites

    Zhang, S., Chen, X., Ren, A., Li, H. & Bredas, J., 11 Jan 2019, In: ACS Energy Letters. 4, 1, p. 17-25

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 30
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  19. 2018

  20. Near-Infrared Electroluminescence and Low Threshold Amplified Spontaneous Emission above 800 nm from a Thermally Activated Delayed Fluorescent Emitter

    Ye, H., Kim, D. H., Chen, X., Sandanayaka, A. S. D., Kim, J. U., Zaborova, E., Canard, G. & 8 others, Tsuchiya, Y., Choi, E. Y., Wu, J. W., Fages, F., Bredas, J., D'Aléo, A., Ribierre, J. & Adachi, C., 9 Oct 2018, In: Chemistry of Materials. 30, 19, p. 6702-6710

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 65
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  21. Thermally Activated Delayed Fluorescence (TADF) Path toward Efficient Electroluminescence in Purely Organic Materials: Molecular Level Insight

    Chen, X., Kim, D. & Brédas, J., 18 Sep 2018, In: Accounts of Chemical Research. 51, 9, p. 2215-2224

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 201
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  22. Charge Generation via Relaxed Charge-Transfer States in Organic Photovoltaics by an Energy-Disorder-Driven Entropy Gain

    Puttisong, Y., Xia, Y., Chen, X., Gao, F., Buyanova, I. A., Inganäs, O. & Chen, W. M., 21 Jun 2018, In: Journal of Physical Chemistry C. 122, 24, p. 12643-12646

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 19
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  23. Bulk Heterojunction Solar Cells: Impact of Minor Structural Modifications to the Polymer Backbone on the Polymer–Fullerene Mixing and Packing and on the Fullerene–Fullerene Connecting Network

    Wang, T., Chen, X., Ashokan, A., Zheng, Z., Ravva, M. K. & Brédas, J., 5 Apr 2018, In: Advanced Functional Materials. 28, 14, 1705868.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 30
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  24. Voltage Losses in Organic Solar Cells: Understanding the Contributions of Intramolecular Vibrations to Nonradiative Recombinations

    Chen, X. & Brédas, J., 26 Mar 2018, In: Advanced Energy Materials. 8, 9, 1702227.

    Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

    Scopus citations: 30
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