Qing-Hua Xu

Recognition and Achievements

• Faculty Outstanding Chemist Award, NUS, 2015
• Faculty Young Scientist Award, NUS, 2008

Research Interests

Our primary interest includes nonlinear optical properties of novel nanocomposite materials and their applications in biomedicine and energy areas. Our research spans a broad range from materials preparation, fundamental understanding to practical applications. Specific foci are:

• Optical Materials and Physics
• Nanophotonics, Plasmonics, and Biophotonics
• Optical spectroscopy and imaging

*Representative Publications *

• Li, K.; Wang, L.; Chen, Z.; Yang, X.F.; Yu, Y.X.; Zhang, W.D.; Wang, Y.; Shi, Y.M.; Loh, K.P; Xu, Q.‐H., Photocatalytic Hydrogen Evolution under Ambient Conditions on Polymeric Carbon Nitride/Donor‐π‐Acceptor Organic Molecule Heterostructures. Adv. Funct. Mater. 2020, https://doi.org/10.1002/adfm.202005106.
• Chen, Z.; Zhang, Q.; Zhu, M. L.; Wang, X. Y.; Wang, Q.; Wee, A. T. S.; Loh, K.P.; Eda, G.; Xu, Q.-H., Synthesis of (C4H9NH3)2PbI4 Two-Dimensional Perovskite by Inverse Temperature Crystallization and Studies of Exciton States by Two-Photon Excitation Spectroscopy. Adv. Funct. Mater. 2020, https://doi.org/10.1002/adfm.202002661.
• Chen, Z.; Gallo, G.; Sawant, V. A.; Zhang, T. X.; Zhu, M. L.; Liang, L. L.; Chanthapally, A.; Bolla, G.; Quah, H. S.; Liu, X.G.; Loh, K.P.; Dinnebier, R. E.; Xu, Q.‐H.; Vittal, J. J., Giant Enhancement of Second Harmonic Generation Accompanied by the Structural Transformation of 7-Fold to 8-Fold Interpenetrated Metal–Organic Frameworks (MOFs). Angew. Chemie Int. Ed. 2020, 59, 833-838.
• He, J.; Li, S.; Lyu, D.; Zhang, D.F.; Wu, X.; Xu, Q.H., Aggregation Induced Emission Enhancement by Plasmon Coupling of Noble Metal Nanoparticles. Mater. Chem. Front. 2019, 3, 2421-2427.
• Guan, Z. P.; Zhang, T. S.; Zhu, H.; Lyu, D.; Sarangapani, S.; Xu, Q.-H.; Lang, M. J., Simultaneous Imaging and Selective Photothermal Therapy through Aptamer Driven Au Nanosphere Clustering. J. Phys. Chem. Lett. 2019, 10, 183-188.
• Zhang, T. X.; Chen, Z. H.; Shi, Y. M.; Xu, Q. -H., Photoluminescence Mechanism of CsPb2Br5 Microplates Revealed by Spatially Resolved Single Particle Spectroscopy. Nanoscale 2019, 11, 3186.