Publications | Dr. Bahadur Sk

2025

Sk, B.; Simura, R.; Fujita, K.; Hirata, S. “Synchronizing the nπ* Transition Dipole in a Benzoyl-Linked N-Fused Ring for Highly Efficient Yellow Afterglow,” J. Phys. Chem. Lett. 2025, 16, 3904–3910.
DOI:10.1021/acs.jpclett.5c00429
Nanda, G. P.; Suraksha, R.; Sk, B.; Viswanathan, T.; Rajamalli, P. “Improving external quantum efficiency and efficiency roll-off in OLEDs,” J. Mater. Chem. C, 2025 (just accepted).
DOI:10.1039/D5TC01563D
Kashipati, R. M.; Ueda, S.; Tsuru, R.; Hayashi, K.; Simura, R.; Sk, B.; Hirata, S. “Selective lower-occupied through-bond interactions for efficient organic phosphorescence,” Adv. Mater. 2025.
DOI:10.1002/adma.202502611
Ueda, S.; Fujita, K.; Sk, B.; Hirata, S. “Deciphering carbon–sulfur rotational distribution for enhanced red persistent organic phosphorescence,” J. Mater. Chem. C 2025, 13, 2654–2660.
DOI:10.1039/D4TC04829F

Sk, B.; Hirata, S. “Symmetry-Breaking Triplet Excited State to Enhance Red Afterglow Enabling Ubiquitous Afterglow Readout,” Adv. Sci. 2024, 11, 2308897.
DOI:10.1002/advs.202308897
Sk, B.; Tsuru, R.; Hayashi, K.; Hirata, S. “Selective Triplet–Singlet FRET for Bright Red Afterglow Emission,” Adv. Funct. Mater. 2023, 33 (11), 2211604.
DOI:10.1002/adfm.202211604
Badriyah, H. E.; Hayashi, K.; Sk, B.; Takano, R.; Ishida, T.; Hirata, S. “Continuous condensed triplet accumulation for irradiance-induced anticounterfeit afterglow,” Adv. Sci. 2023, 10, 2304374.
DOI:10.1002/advs.202304374
Sk, B.; Hirata, S. “Förster resonance energy transfer involving the triplet state,” Chem. Commun. 2023, 59, 6643–6659.
DOI:10.1039/D3CC00748K
Additional publications (2016–2023) are available on Google Scholar .

Patra, A.; Sk, B.; Sarkar, M.; Kundu, S. “Dibenzopyridoquinoxaline Based Derivatives,” Indian Patent No. 558358.

Sk, B.; Hirata, S. (Oral presentation) Annual Meeting on Photochemistry 2024, Kyushu University, Japan. September 2024.
Sk, B.; Hirata, S. (Contributed oral) ICP 2023, Sapporo, Japan. July 2023.