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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.
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Chang, YK, Hsieh HH, Pong* WF, Tsai M-H, Chien FZ, Tseng PK, Chen LC, Wang TY, Chen KH, Bhusari DM, Yan JR, Lin ST.  1999.  Quantum confinement effect in diamond nanocrystals studied by X-Ray-absorption spectroscopy. Phys. Rev. Lett.. 82:5377-5380.
Dhara*, S, Kesavamoorthy R, Magudapathy P, Premila M, Panigrahi BK, Nair KGM, Wu CT, Chen KH, Chen LC.  2003.  Quasiquenching size effects in gold nanoclusters embedded in silica matrix. Chem. Phys. Lett.. 370:254-260.
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Chung, YL, Peng X, Liao YC, Yao S, Chen L-C, Chen K-H, Feng ZC.  2011.  Raman scattering and Rutherford backscattering studies on InN films grown byplasma-assisted molecular beam epitaxy. Thin Solid Films. 519:6778.
Wu, JT, Chuang CJ, Chang KI, Yang CH, Chen KH.  1997.  Raman Spectroscopic Studies of Sulfation of Cerium Oxide. Appl. Catalysis B : Environmental. 12:309-324.
Wu, JT, Shih CF, Guo TH, Chen KH.  1997.  Raman Spectroscopic Studies of the Thermal Decomposition Mechanism of Ammonium Metavanadate. J. Mater. Chem. 7:2273.
Twu, J, Yu YY, Tang CW, Wang GJ, Chen KH.  1999.  Raman Spectroscopic Studies of the Thermal Decomposition of Molybdenum Oxide/2,2'-Bipyridine Compounds. Applied Spectroscopy. 9:1083.
Chen, KH, Wang J, Mazur E.  1986.  Raman Spectroscopy of Infrared Multiphoton Excited Molecules. Int. Quantum Electronics Conf.. , San Francisco
Wang, J, Chen KH, Mazur E.  1988.  Raman Spectroscopy of Infrared Multiphoton Excited Molecules. Laser Chem.. 8:97.
Dhara*, S, Das CR, Hsu HC, Chen KH, Chen LC, Raj B, Bhaduri AK, Albert SK, Ray A.  2008.  Recrystallization of epitaxial GaN under indentation. Appl. Phys. Lett.. 92:143114.
Shi, SC, Chen CF, Hsu GM, Hwang JS, Chattopadhyay S, Lan ZH, Chen KH, Chen* LC.  2005.  Reduced temperature-quenching of photoluminescence from indium nitride nanotips grown by metalorganic chemical vapor deposition. Appl. Phys. Lett.. 87:203103-(1-3).
Sakthivel, A, Huang SJ, Chen WH, Lan ZH, Chen KH, Lin HP, Mou CY, Liu* SB.  2004.  Replication of mesoporous aluminosilicate molecular sieves (RMMs) with zeolite framework from mesoporous carbons. Chem. of Mater.. 16:3168-3175.
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.
Chang, HJ, Chen CH, Chen* YF, Lin TY, Chen LC, Chen KH, Lan ZH.  2005.  Responseto “Comment on ‘Direct evidence of nanocluster-induced luminescence in InGaNepifilms. Appl. Phys. Lett.. 87:136102-(1-2).
Hsu, YK, Chen YC, Lin YG, Chen LC, Chen KH.  2011.  Reversible phase transformation of MnO2nanosheets in electrochemical capacitor investigated by in-situ Raman spectroscopy. Chem. Comm.. 47:1252-1254.
Wei, PC, Chattopadhyay S, Lu CY, Hsiao CL, Shih HC, Chen LC, Chen KH.  2010.  Room-temperature negative photoconductivity in degenerate InN thin films with a supergap excitation. Phys. Rev.. B 81:045306.
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Myers, J, Mou* S, Chen KH, Zhuang Y.  2016.  Scanning microwave microscope imaging of micro-patterned monolayer graphene grown by chemical vapor deposition. Applied Physics Letters . 108:053101.
Fu, F-Y, Fan C-C, Qorbani M, Huang C-Y, Kuo P-C, Hwang J-S, Shu G-J, Chang S-M, Wu H-L, Wu C-I, Chen K-H, Chen L-C.  2022.  Selective CO2-to-CO photoreduction over an orthophosphate semiconductor via the direct Z-scheme heterojunction of Ag3PO4 quantum dots decorated on SnS2 nanosheets, 2022. Sustainable Energy & Fuels. 6(19):4418-4428.: The Royal Society of Chemistry AbstractWebsite

Direct Z-scheme heterojunctions are widely used for photocatalytic water splitting and CO2 reduction due to facilitating well-separated photogenerated charge carriers and spatial isolation of redox reactions. Here, using a facile two-step hydrothermal and ion-exchange method, we uniformly decorate silver orthophosphate (i.e., Ag3PO4) quantum dots with an average characteristic size of ∼10 nm over tin(iv) sulphide (i.e., SnS2) nanosheets to form a 0D/2D heterojunction. The direct Z-scheme mechanism, i.e. charge transport for efficient electron (from SnS2) and hole (from Ag3PO4) recombination, is confirmed by the following experiments: (i) ultraviolet and X-ray photoelectron spectroscopies; (ii) photodeposition of Pt and PbO2 nanoparticles on reduction and oxidation sites, respectively; (iii) in situ X-ray photoelectron spectroscopy; and (iv) electron paramagnetic resonance spectroscopy. Owing to the photoreduction properties of Ag3PO4 with orthophosphate vacancies, Z-scheme charge carrier transfer, and efficient exciton dissociation, an optimized heterojunction shows a high CO2-to-CO reduction yield of 18.3 μmol g−1 h−1 with an illustrious selectivity of ∼95% under light illumination, which is about 3.0 and 47.8 times larger than that of Ag3PO4 and SnS2, respectively. The carbon source for the CO product is verified using a 13CO2 isotopic experiment. Moreover, by tracing the peak at ∼1190 cm−1 in the dark and under light irradiation, in situ diffuse reflectance infrared Fourier transform spectroscopy demonstrates that the CO2 reduction pathway goes through the COOH* intermediate.

Liang, CH, Chen* LC, Hwang JS, Chen KH, Hung YT, Chen YF.  2002.  Selective-area growth of InN nanowires on gold-patterned Si(100) substrates. Appl. Phys. Lett.. 81:22-24.
Lim, W, Wright JS, Gila BP, Pearton SJ, Ren F, Lai WT, Chen LC, Hu MS, Chen KH.  2008.  Selective-hydrogen sensing at room temperature with Pt-coated InN nanobelts. Appl. Phys. Lett.. 93:202109-(1-3).
Chattopadhyay, S, Shi SC, Wu CT, Chen LC, Chen CH, Chen* KH.  2006.  Self selected apex angle distribution of the nanotips. Appl. Phys. Lett.. 89:143105-(1-3).
Li, CC, Chen YW, Lin RJ, Chang CC, Chen KH, H.P.Lin, Chen LC.  2011.  Self-reductive mesoporous CuOx/Fe/silicate nanocomposite as a highly active and stable catalyst for methanol reforming. Chem. Comm.. 47:9414-9416.
Kuo, CK, Hsu CW, Wu CT, Lan ZH, Mou CY, Chen CC, Yang YJ, Chen LC, Chen* KH.  2006.  Self-regulating and diameter-selective growth of GaN nanowires. Nanotechnology. 17:S332-337.
Hu, MH, Wang WM, Chen TT, Hong LS, Chen CW, C.Chen C, Chen YF, Chen KH, Chen* LC.  2006.  Sharp infrared emission from single-crystalline indium nitride nanobelts derived by guided-stream thermal chemical vapor deposition. Adv. Func. Mater.. 16:537-541.
Quadir, S, Qorbani M, Sabbah A, Wu T-S, kumar Anbalagan A, Chen W-T, Valiyaveettil SM, Thong H-T, Wang C-W, Cheng-YingChen, Lee C-H, Chen K-H, Chen L-C.  2022.  Short- and Long-Range Cation Disorder in (AgxCu1–x)2ZnSnSe4 Kesterites, 2022. Chemistry of Materials. : American Chemical Society AbstractWebsite

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