Dr Hassan Hafeez
Research Fellow
Selected publications
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Open access
Chiral selenium-integrated multi-resonant thermally activated delayed fluorescent emitters showing improved reverse intersystem crossing rate
Wang, J., Hafeez, H., Chen, D., Ortiz, J. S. O., Xu, Y., McKay, A. P., Cordes, D. B., Crassous, J., Samuel, I. D. W. & Zysman-Colman, E., 11 Aug 2025, In: Angewandte Chemie International Edition. 64, 33, 12 p., e202506999.Research output: Contribution to journal › Article › peer-review
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Open access
Exploring the impact of the presence of 9,9’-spirobifluorene moieties on the performance of carbonyl-based multiresonant thermally activated delayed fluorescence organic light-emitting diodes
Haug, J. J., Wu, S., Hafeez, H., Schustek, M., Fatahi, M., Woordes, Y. T., Nieger, M., Fuhr, O., Luy, B., Samuel, I. D. W., Bräse, S. & Zysman-Colman, E., 14 Nov 2025, (E-pub ahead of print) In: Advanced Optical Materials. Early View, 14 p., e02118.Research output: Contribution to journal › Article › peer-review
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Open access
[2.2]Paracyclophane-substituted chiral multiresonant thermally activated delayed fluorescence emitters for efficient organic light-emitting diodes
Xu, Y., Hafeez, H., Seibert, J., Wu, S., Ortiz, J. S. O., Crassous, J., Bräse, S., Samuel, I. D. W. & Zysman-Colman, E., 19 Nov 2024, In: Advanced Functional Materials. 34, 47, 9 p., 2402036.Research output: Contribution to journal › Article › peer-review
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Open access
A novel carbazolophane: a comparison of the performance of two planar chiral CP-TADF emitters
Seibert, J., Xu, Y., Hafeez, H., Podlech, J., Favereau, L., Spuling, E., Waldhelm, C., Nieger, M., Fuhr, O., Hassan, Z., Crassous, J., Samuel, I. D. W., Zysman-Colman, E. & Bräse, S., 19 Nov 2024, In: Advanced Functional Materials. 34, 47, 13 p., 2401956.Research output: Contribution to journal › Article › peer-review
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Open access
Highly efficient organic light-emitting diodes and light-emitting electrochemical cells employing multiresonant thermally activated delayed fluorescent emitters with bulky donor or acceptor peripheral groups
Wang, J., Hafeez, H., Tang, S., Matulaitis, T., Edman, L., Samuel, I. D. W. & Zysman-Colman, E., 20 Oct 2024, In: Aggregate. 5, 5, 12 p., e571.Research output: Contribution to journal › Article › peer-review
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Open access
Improving the uniformity of top emitting organic light emitting diodes using a hybrid electrode structure
Riahi, M., Yoshida, K., Hafeez, H. & Samuel, I. D. W., Jan 2024, In: Advanced Electronic Materials. 10, 1, 7 p., 2300675.Research output: Contribution to journal › Article › peer-review
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Open access
The golden age of thermally activated delayed fluorescence materials: design and exploitation
Dos Santos, J. M., Hall, D. L. S., Basumatary, B., Bryden, M. A., Chen, D., Choudhary, P., Comerford, T., Crovini, E., Danos, A., De, J., Diesing, S., Fatahi, M., Griffin, M. A., Gupta, A. K., Hafeez, H., Haemmerling, L., Hanover, E., Haug, J., Heil, T. S. & Durai, K. & 24 others, , 12 Dec 2024, (E-pub ahead of print) In: Chemical Reviews. ASAP, 385 p.Research output: Contribution to journal › Article › peer-review
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Open access
Enhanced photoluminescence and reduced dimensionality via vacancy ordering in a 10H halide perovskite
Liu, H., Hafeez, H., Cordes, D. B., Slawin, A. M. Z., Peters, G., Lee, S., Samuel, I. D. W. & Morrison, F. D., 27 Feb 2023, In: Inorganic Chemistry. 62, 8, p. 3629-3636 8 p.Research output: Contribution to journal › Article › peer-review