Publications

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Lu, CZ, Goldman J, Deliwala S, Chen KH, Mazur E.  1991.  Durect Evidence for1-mode Excitation in the Infrared Multiphoton Excited SO2. Chem. Phys. Lett.. 176:355.
Sainbileg, B, Lai Y-R, Chen L-C, Hayashi M.  2019.  The dual-defective SnS2 monolayers: promising 2D photocatalysts for overall water splitting, 2019. Physical Chemistry Chemical Physics. 21(48):26292-26300.: The Royal Society of Chemistry AbstractWebsite

Photocatalytic water splitting is a promising way to produce hydrogen fuel from solar energy. In this regard, the search for new photocatalytic materials that can efficiently split water into hydrogen is essential. Here, using first-principles simulations, we demonstrate that the dual-defective SnS2 (Ni-SnS2-VS), by both single-atom nickel doping and sulfur monovacancies, becomes a promising two-dimensional photocatalyst compared with SnS2. The Ni-SnS2-VS monolayer, in particular, exhibits a suitable band alignment that perfectly overcomes the redox potentials for overall water splitting. The dual-defective monolayer displays remarkable photocatalytic activity, a spatially separated carrier, a broadened optical absorption spectrum, and enhanced adsorption energy of H2O. Therefore, the dual-defective SnS2 monolayer can serve as an efficient photocatalyst for overall water splitting to produce hydrogen fuel. Furthermore, a novel dual-defect method can be an effective strategy to enhance the photocatalytic behavior of 2D materials; it may pave inroads in the development of solar-fuel generation.

Chou, YC, Chattopadhyay S, Chen* LC, Chen YF, Chen KH.  2003.  Doping and electrical properties of amorphous silicon carbon nitride films. Diamond & Related Materials. 12:1213-1219.
Yesi, Y, Shown I, Ganguly A, Ngo TT, Chen LC, Chen KH.  2016.  Directly-grown hierarchical carbon nanotube@polypyrrole core-shell hybrid for high-performance flexible supercapacitors. ChemSusChem . 9:370-378.
Horng, YY, Hsu YK, Chen CC, Chen LC, Chen* KH.  2009.  Direct-growth of polyaniline nanowires for enzyme-immobilization and glucose detection. Electrochem. Comm.. 11:850-853.
Lai, YT, Ganguly A, Chen CP, Chen KH, Chen* LC.  2010.  Direct voltammetric sensing of L-cysteine atpristine GaN nanowires electrode. Biosensors and Bioelectronics. 26:1688-1691.
Sakthivel, A, Huang SJ, Chen WH, Lan ZH, Chen KH, Lin HP, Mou CY, Liu* SB.  2005.  Direct synthesis of highly stable mesoporous molecular sieve (MMS-H) containing zeolite building units. Adv. Func. Mater.. 15:253-258.
Dhara, S, Chang CW, Tsai HM, Chen* LC, Chen KH.  2010.  Direct observation of amophization in load rate dependent nanoindentation studies of crystalline Si. Appl. Phys. Lett.. 96:253113.
Chang, HJ, Chen CH, Chen* YF, Lin TY, Chen LC, Chen KH, Lan ZH.  2005.  Direct evidence of nanocluster-induced luminescence in InGaN epifilms. Appl. Phys. Lett.. 86:021911-(1-3).
Huang, YF, Jen YJ, Chen LC, Chen KH, Chattopadhyay S.  2015.  Design for approaching cicada-wing reflectance in low and high index biomimetic nanostructures. ACS Nano . 9:301-311.
Wu, JJ, Wu CT, Liao YC, Lu TR, Chen LC, Chen KH, Hwa LG, Kuo CT, Ling KJ.  1999.  Deposition of silicon carbon nitride by ion-beam sputtering. Thin Solid Films. 355:417-422.