Publications

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Hwang*, JS, You ZY, Lin SY, Hu ZS, Wu CT, Chen CW, Chen KH.  2005.  Effect of gold coating on local oxidation using an atomic force microscope. Appl. Phys. Lett.. 86:161901-(1-3).
Hwang*, JS, Hu ZS, Lu TY, Chen LW, Chen SW, Lin TY, Hsiao CL, Chen KH, Chen LC.  2006.  Photo-assisted local oxidation of GaN using an atomic force microscope. Nanotechnology. 17:3299-3303.
Hwang, JS, Kao MC, Shiu JM, Fan CN, Ye SC, Yu WS, Lin TY, Chattopadhyay S, Chen LC, Chen KH.  2011.  Photocurrent mapping in high efficiency radial p-n junction silicon nanowire solar cells using atomic force microscopy. J. Phys. Chem. C. 115:21981-21986.
Hwang, J-S, Liu T-Y, Chattopadhyay S, Hsu G-M, Basilio AM, Chen H-W, Hsu Y-K, Tu W-H, Lin Y-G, Chen K-H, Li C-C, Wang S-B, Chen H-Y, Chen L-C.  2013.  Growth of β-Ga2O3 and GaN nanowires on GaN for photoelectrochemical hydrogen generation. Nanotechnology. 24:055401.
Hwang, JS, Lin YH, Hwang JY, Chang R, Chattopadhyay S, Chen CJ, Chen P, Chiang HP, Tsai TR, Chen LC, Chen KH.  2013.  Imaging layer number and stacking order through formulating Raman fingerprints obtained from hexagonal single crystals of few layer graphene. Nanotechnology. 24:015702.
Hwang, JS, Lee CH, Yang FH, Chen KH, Hwa LG, Yang* YJ, Chen LC.  2001.  Resistive heated MOCVD deposition of InN films. Materials Chem. and Phys.. 72:290-295.
Hwang, JY, Chatterjee A, Shen CH, Wang JH, Sun CL, Chyan O, Chen CW, Chen KH, Chen* LC.  2009.  Mesoporous active carbon dispersed with ultra-fine platinum nanoparticles and their electrochemical properties. Diamond Relat. Mater.. 18:303-306.
Hwang, JY, Kuo CC, Chen LC, Chen KH.  2010.  Correlating defect density with carrier mobility in large-scaled graphene films: Raman spectral signatures for estimation of defect density. Nanotechnology. 21:465705.
Huang*, BR, Chen LC, Chen KH.  2002.  The analysis on the surface properties of the annealed-diamond membrane. Mater. Sci. and Engineer.. B 95:111-115.
Huang, YF, Chen CY, Chen LC, Chen KH, Chattopadhyay S.  2014.  Plasmon management in index engineered 2.5D hybrid nanostructures for SERS. NPG Asia Materials. 6:e123.
Huang, PJ, Chen CW, Chen JY, Chi GC, Pan* CJ, Kuo CC, Chen LC, Hsu CW, Chen KH, Hung SC, Chan CY, Pearton SJ, Ren F.  2009.  Optical and Structural Properties of Mg-ion Implanted GaN Nanowires. Vacuum. 83:797.
Huang, YF, Chattopadhyay S, Jen YJ, Peng CY, Liu TA, Hsu YK, Pan CL, Lo HC, Hsu CH, Chang YH, Lee CS, Chen KH, Chen LC.  2007.  Improved broadband, and quasi-omnidirectional anti-reflection properties with biomimetic silicon nanostructures. Nature Nanotechnology. 2:770-774.
Huang, H-C, Chang S-T, Hsu H-C, Du H-Y, Wang C-H, Chen L-C, Chen K-H.  2017.  Pyrolysis of Iron–Vitamin B9 As a Potential Nonprecious Metal Electrocatalyst for Oxygen Reduction Reaction. Search Results ACS Sustainable Chemistry & Engineering. 5 (4):2897–2905.
Huang, LW, Chang CK, Chien FC, Chen KH, Chen P, Chen FR, Chang CS.  2014.  Characterization of the cleaning process on a transferred graphene. J. Vac. Sci. Tech. A . 32:050601.
Huang, BR, Huang CS, Wu CC, Chen LC, Chen KH.  2004.  Electrical properties of annealed MPCVD grown vertically aligned carbon nanotubes films. Diamond & Related Materials. 13:2156-2159.
Huang, Y-F, Chattopadhyay* S, Hsu H-C, Wu C-T, Chen K-H, Chen L-C.  2011.  Origin and tuning of surface optic and long wavelength phonons in biomimetic GaAs nanotip arrays. Optical Materials Express. 1:535.
Huang, W-F, Chang S-T, Huang H-C, Wang C-H, Chen L-C, Chen K-H, Lin MC.  2020.  On the Reduction of O2 on Cathode Surfaces of Co–Corrin and Co–Porphyrin: A Computational and Experimental Study on Their Relative Efficiencies in H2O/H2O2 Formation, 2020. The Journal of Physical Chemistry CThe Journal of Physical Chemistry C. 124(8):4652-4659.: American Chemical Society AbstractWebsite
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Huang, S-J, Muneeb A, Sabhapathy P, Bayikadi KS, Murtaza T, Raju K, Chen L-C, Chen K-H, Sankar R.  2021.  Two-Dimensional Layered NiLiP2S6 Crystals as an Efficient Bifunctional Electrocatalyst for Overall Water Splitting. Catalysts. 11, Number 7 AbstractWebsite

The quest of earth-abundant bifunctional electrocatalysts for highly efficient oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is essential for clean and renewable energy systems. Herein, directed by the experimental analysis, we demonstrate layered nickel lithium phosphosulfide (NiLiP2S6) crystal as a highly efficient water-splitting catalyst in alkaline media. With strained lattice due to stacked layers as observed by TEM and electronic structure analysis performed by XPS showed mixed Ni2+,3+ oxidation states induced by addition of Li as a cation, NiLiP2S6 displays excellent OER (current density of 10 mA cm–2 showed an overpotential of 303 mV vs. RHE and a Tafel slope of 114 mV dec–1) and HER activity (current density of −10 mA cm–2 showed an overpotential of 184 mV vs. RHE and a Tafel slope of 94.5 mV dec–1). Finally, an alkaline media was employed to demonstrate the overall water splitting using NiLiP2S6 as both the anode and the cathode, which attained a 50 mA cm−2 current density at 1.68 V. This bimetallic phosphosulfide, together with long-term stability and enhanced intrinsic activity, shows enormous potential in water splitting applications.

Huang, BR, Jou S, Wu YM, Chen KH, Chen LC.  2010.  Effect of XeF laser treatment on structure of nanocrystalline diamond films. Diamond & Relat. Mater.. 19:445.
Huang, Y-F, Liao K-W, Fahmi FRZ, Modak VA, Tsai S-H, Ke S-W, Wang C-H, Chen L-C, Chen K-H.  2021.  Thickness-Dependent Photocatalysis of Ultra-Thin MoS2 Film for Visible-Light-Driven CO2 Reduction. Catalysts. 11, Number 11 AbstractWebsite

The thickness of transition metal dichalcogenides (TMDs) plays a key role in enhancing their photocatalytic CO2 reduction activity. However, the optimum thickness of the layered TMDs that is required to achieve sufficient light absorption and excellent crystallinity has still not been definitively determined. In this work, ultra-thin molybdenum disulfide films (MoS2TF) with 25 nm thickness presented remarkable photocatalytic activity, and the product yield increased by about 2.3 times. The photocatalytic mechanism corresponding to the TMDs’ thickness was also proposed. This work demonstrates that the thickness optimization of TMDs provides a cogent direction for the design of high-performance photocatalysts.

Huang, HM, Chen RS, Chen HY, Liu TW, Kuo CC, Chen CP, Hsu HC, Chen LC, Chen* KH, Yang YJ.  2010.  Photoconductivity in single AlN nanowires by sub-bandgap excitation. Appl. Phys. Lett.. 96:062104.
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.
Huang, C-Y, Tseng S-C, Wei-ChaoChen, Yin G-C, Chen B-Y, Chen K-H, Chen L-C, Cheng-YingChen.  2024.  Visualization of Anion Vacancy Defect Annihilation in CZTSe Solar Cells by Hydrogen-Assisted Selenization with In Operando X-ray Nanoprobe Studies, 2024. ACS Applied Materials & InterfacesACS Applied Materials & Interfaces. 16(47):64656-64663.: American Chemical Society AbstractWebsite
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Huang, BR, Chen KH, Ke WZ.  2000.  Surface-enhanced Raman analysis of the diamond films by using different metals. Materials Letters. 42:162-165.
Huang, H-C, Shown I, Chang S-T, Hsu H-C, Du H-Y, Kuo M-C, Wong K-T, Wang S-F, Wang C-H, Chen L-C, Chen K-H.  2012.  Pyrolyzed Cobalt Corrole as a Potential Non-Precious Catalyst for Fuel Cells. Adv. Funct. Mater.. 22:3500–3508.