1981-1984 Postdoctoral researcher, Massachusetts Institute of Technology 1981 Ph.D. University of California, Berkeley 1974 B.S. National Taiwan University Selected Awards Ellis Lippincott Award in Spectroscopy, Optical Society of America, Society of Applied Spectroscopy, and Coblentz Society. Langmuir Lecturer Award, American Chemical Society Division of Colloid and Surface Chemistry. Coblentz Award in Molecular Spectroscopy. Fellow, American Chemical Society. Fellow, American Physical Society. Guggenheim Fellow. Michael P. Malone International Leadership Award, Association of Public and Land Grant Universities.

Analytical Chemistry; Physical Chemistry; Inorganic Chemistry

Nonlinear optical and spectroscopic/microscopic studies of the structure and dynamics of surfaces and interfaces, colloidal particles, aerosols, nanoparticles, micelles, liposomes and biological cells; structure and dynamics of new energy materials including RTIL, DSSS, and organic crystals and thin films; energy transfer and reactions of highly excited molecules.

Gan, W; Xu, B; and Dai, H-L; Super bright luminescent metallic nanoparticles Journal of Physical Chemistry Letters, Just Accepted (2018). Sharifian Gh.; M; Wilhelm, MJ; and Dai, H-L; Azithromycin-induced changes to bacterial membrane properties monitored in vitro by second-harmonic light scattering ACS Medicinal Chemistry Letters, 9, 569-574 (2018). Fang, H; Wu, Y.; Kuhn, D.L.; Kuhn, Zander, Z., DeLacy, Brendan D., Rao, Y., and Dai, H-L.; Electron Injection from a Carboxylic Anchoring Dye to TiO2 Nanoparticles in Aprotic Solvents Chemical Physics, Just Accepted (2018) Wilhelm, M.J.; Martinez-Nunez, E.; Gonzalez-Vazquez, J.; Vazquez, S.A.; Smith, J.M.; and Dai, H-L.; Is photolytic production a viable source of HCN and HNC in astrophysical environments? A laboratory based feasibility study of methyl cyanoformate Astrophysical Journal, 849, 15 (2017) Han, J.; Mei, E.; Kung, M-P.; Kung, H.F.; Yuan, J-M.; and Dai, H-L; Single-molecule fluorescence resonance energy transfer studies of beta-amyloid clusters in physiological solutions In Yuan, J-M. and Zhoa, H-X. (Ed.), Biophysics and biochemistry of protein aggregation: Experimental and theoretical studies on folding, misfolding, and self-assembly of amyloidogenic peptides. Chapter 8, pp. 297-311. World Scientific Lecture and Course Notes in Chemistry, Vol. 9. (2017) Fang, H.; Xu, B.; Li, X.; Kuhn, D.L.; Zachary, Z.; Tian, G.; Chen, V.; Chu, R.; DeLacy, B.G.; Rao, Y.; and Dai, H-L; Effects of molecular structure and solvent polarity on adsorption of carboxylic anchoring dyes onto TiO2 particles in aprotic solvents Langmuir, 33, 7036-7042 (2017). Tsui, W.G.; Rao, Y.; Dai, H-L; and McNeill, V.F.; Modeling photosensitized secondary organic aerosol formation in laboratory and ambient aerosols Environmental Science & Technology, 51 ,7496-7501 (2017). Monahan, N.R.; Sun, D.; Tamura, H.; Williams, K.W.; ; Xu, B.; Zhong, Y.; Kumar, B.; Nuckolls, C.; Harutyunyan, A.R.; Chen, G.; ; Dai, H-L; Beljonne, D.; Rao, Y; and Zhu, X-Y.; Dynamics of the triplet-pair state reveals the likely coexistence of coherent and incoherent singlet fission in crystalline hexacene Nature Chemistry, 9, 341-346 (2017). Zhang, Z.; Xu, B.; Xu, B.; Jin, L.; Dai, H-L; Rao, Y; and Ren, S.; External stimuli responsive 2D charge transfer polymers Advanced Materials Interfaces, 4, 1600769 (2017). ​ Li, W-Y.; Li, X.; Jockusch, S.; Wang, H.; Xu, B.; Wu, Y.; Tsui, W.G.; Dai, H-L; McNeill, V.F.; and Rao, Y.; Photoactivated production of secondary organic species from isoprene in aqueous systems Journal of Physical Chemistry A, 120: 9042-9048 (2016). Sharifian Gh.; M; Wilhelm, MJ; and Dai, H-L; Label-free optical method for quantifying molecular transport across cellular membranes in vitro Journal of Physical Chemistry Letters, 7: 3406-3411 (2016). Wilhelm, MJ; Smith, JM; and Dai, H-L; Reconstructing interferograms improves spectral SNR Journal of Chemical Physics, 145: 036101 (2016). Wu, Y; Li, W; Xu, B; Li, X; Wang, H; McNeill, VF; Rao, Y; and Dai, H-L; Observation of organic molecules at the aerosol surface Journal of Physical Chemistry Letters, 7: 2294–2297 (2016). Ma, J; Wilhelm, MJ; Smith, JM; and Dai, H-L; Large cross-section for super energy transfer from hyperthermal atoms to ambient molecules Physical Review A, 93: 040702(R) (2016). Xu, B; Luo, Z; Gao, W; Wilson, AJ; He, C; Chen, X; Yuan, G; Dai, H-L; Rao, Y; Willets, K; Dauter, Z; and Ren, S; Solution-processed molecular opto-ferroic crystals Chemistry of Materials, 28: 2441-2448 (2016).