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Ciao-WeiYang, Chin-ChangChen, Chen K-H, SoofinCheng.  2017.  Effect of pore-directing agents in SBA-15 nanoparticles on the performance of Nafion®/SBA-15n composite membranes for DMFC. Journal of Membrane Science. 526:106-117.
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.
Chouhan, N, Yeh CL, Hu SF, Huang JH, Liu RS, Chang WS, Chen KH.  2011.  Array of CdSe QD-sensitized ZnO nanorods serves as photoanode for water splitting. Chem. Commun.. 47:3493-3495.
Chouhan, N, Yeh CL, Hu SF, Huang JH, Tsai CW, Liu RS, Chang WS, Chen KH.  2010.  Array of CdSe QD-sensitized ZnO nanorods serves as photoanode for water splitting. J. Electrochem. Soc.. 157:1430-1433.
Chou, CT, Lin CH, Tai Y, C.H.Liu, Chen LC, Chen KH.  2012.  Stacking orientation mediation of pentacene and derivatives for highopen-circuit voltage organic solar cells. J. Phys. Chem. Lett.. 3:1079-1083.
Chou, CT, Lin CH, Wu MH, Cheng TW, Lee JH, Liu CHJ, Tai Y, Chattopadhyay S, Wang JK, Chen KH, Chen LC.  2011.  Tuning open-circuit voltage in organic solar cells by magnesium modified Alq3. J. Appl. Phys.. 110:083104.
Chou, CT, Tang WL, Lin CH, Liu CH, Chen LC, Chen KH.  2012.  Effect of substrate temperature on orientation of subphthalocyanine molecule in organic photovoltaic cells. Thin Solid Films. 520:2289-2292.
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.
Chong, CW, Hsu D, Chen WC, Li CC, Huang YF, Han HC, Lin JG, Chen LC, Chen KH, Chen YF.  2011.  Giant room temperature electric-field-assisted magnetoresistance in La0.7Sr0.3MnO3/n-Si nanotips heterojunctions. Nanotechnology. 22:125701.
Chiu, J-M, Chou T-chin, Wong DP, Lin Y-R, Shen C-A, Hy S, Hwang B-J, Tai Y, Wu H-L, Chen L-C, Chen K-H.  2018.  A synergistic “cascade” effect in copper zinc tin sulfide nanowalls for highly stable and efficient lithium ion storage. Nano Energy. 44:438-446. AbstractWebsite
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Chiu, J-M, Chen E-M, Lee C-P, Shown I, Tunuguntla V, Chou J-S, Chen L-C, Chen K-H, Tai Y.  2017.  Geogrid-Inspired Nanostructure to Reinforce a CuxZnySnzS Nanowall Electrode for High-Stability Electrochemical Energy Conversion Devices. Advanced Energy Materials. 7(12):1602210.
Chiou, JW, Jan JC, Tsai HM, Pong* WF, Tsai MH, Hong IH, Klauser R, Lee JF, Hsu CW, Lin HM, Chen CC, Shen CH, Chen LC, Chen KH.  2003.  Electronic structure of GaN nanowire studied by X-ray-absorption spectroscopy and scanning photoelectron microscopy. Appl. Phys. Lett.. 82:3949-3951.
Chiou, JW, Yueh CL, Jan JC, Tsai HM, Pong* WF, Hong IH, Klauser R, Tsai MH, Chang YK, Chen YY, Wu CT, Chen KH, Wei SL, Wen CY, Chen LC, Chuang TJ.  2002.  Electronic structure at the carbon nanotube tips studied by X-ray-absorption spectroscopy and scanning photoelectron microscopy. Appl. Phys. Lett.. 81:4189-4191.
Chien, SC, Chattopadhyay* S, Chen LC, Lin ST, Chen KH.  2003.  Mechanical properties of amorphous boron carbon nitride films produced by dual gun sputtering. Diamond Relat. Mater. . 12:1463-1471.
Chien, CT, Li SS, Lai WJ, Yeh YC, Chen HA, Chen LC, Chen KH, T.Nemoto, Isoda S, Chen M, Fujita T, Chhowalla M, Chen CW.  2012.  Tunable photoluminescence from graphene oxide. Angewandte Chemie. 51:6662-6666.
Cheng-YingChen, Aprillia BS, Wei-ChaoChen, Teng Y-C, Chiu C-Y, Chen R-S, Hwang J-S, Chen K-H, Chen L-C.  2018.  Above 10% Efficiency Earth-abundant Cu2ZnSn(S,Se)4 Solar Cells by Introducing Alkali Metal Fluoride Nanolayers as Electron-selective Contacts. Nano Energy. :-. AbstractWebsite

Abstract The present investigation mainly addresses the open circuit voltage (Voc) issue in kesterites based Cu2ZnSn(S,Se)4 solar cells by simply introducing alkali metal fluoride nanolayers (  several nm NaF, or LiF) to lower the work functions of the front İTO\} contacts without conventional hole-blocking ZnO layers. Kelvin probe measurements confirmed that the work function of the front İTO\} decreases from 4.82 to 3.39 and 3.65 eV for NaF and LiF, respectively, resulting in beneficial band alignment for electron collection and/or hole blocking on top electrodes. Moreover, a 10.4% power conversion efficiency ( 11.5% in the cell effective area) \{CZTSSe\} cell with improved Voc of up to 90 mV has been attained. This demonstration may provide a new direction of further boosting the performance of copper chalcogenide based solar cells as well.

Cheng-YingChen, Aprillia BS, Wei-ChaoChen, Teng Y-C, Chiu C-Y, Chen R-S, Hwang J-S, Chen K-H, Chen L-C.  2018.  Above 10% efficiency earth-abundant Cu2ZnSn(S,Se)4 solar cells by introducing alkali metal fluoride nanolayers as electron-selective contacts, 2018. Nano Energy. 51:597-603. AbstractWebsite

The present investigation mainly addresses the open circuit voltage (Voc) issue in kesterite based Cu2ZnSn(S,Se)4 solar cells by simply introducing alkali metal fluoride nanolayers (~ several nm NaF, or LiF) to lower the work functions of the front ITO contacts without conventional hole-blocking ZnO layers. Kelvin probe measurements confirmed that the work function of the front ITO decreases from 4.82 to 3.39 and 3.65 eV for NaF and LiF, respectively, resulting in beneficial band alignment for electron collection and/or hole blocking on top electrodes. Moreover, a 10.4% power conversion efficiency (~ 11.5% in the cell effective area) CZTSSe cell with improved Voc of up to 90 mV has been attained. This demonstration may provide a new direction of further boosting the performance of copper chalcogenide based solar cells as well.

Cheng*, HC, Chen KJ, Hong WK, Tarntair FG, Lin JB, Chen KH, Chen LC.  2001.  Fabrication and characterization of low turn-on voltage carbon nanotube field emission triodes. Electrochemical and Solid-State Letters. 4 (8):H15-17.
Cheng*, HC, Hong WK, Tarntair FG, Chen KJ, Lin JB, Chen KH, Chen LC.  2001.  Integration of thin film transistor controlled carbon nanotubes for field-emission devices. Electrochemical and Solid-State Letters. 4 (4):H5-H7.
Chen*, LC, Wen CY, Liang CH, Hong WK, Chen KJ, Cheng HC, Shen CS, Wu CT, Chen KH.  2002.  Controlling steps during early stages of the aligned growth of carbon nanotubes using microwave plasma enhanced chemical vapor deposition. Adv. Fun. Mate. 12:687-692.
Chen*, LC, Hong WK, Tarntair FG, Chen KJ, Lin JB, Kichambare PD, Cheng HC, Chen KH.  2001.  Field electron emission from carbon-based emitters and devices. New Diamond and Frontier Carbon Tech.. 11:249.
Chen*, KH, Bhusari DM, Yang JR, Lin ST, Wang TY, Chen LC.  1998.  Highly transparent nano-crystalline diamond films via substrate pretreatment and methane fraction optimization. Thin Solid Films. 332:34-39.
Chen*, KH, Wong TS, Wang CT, Chen LC, Ma KJ.  2001.  Carbon nanotubes growth by rapid thermal processing. Diamond and Related Materials. 10:1810-1813.
Chen*, CW, Huang CC, Lin YY, Chen LC, Chen KH, Su WF.  2005.  Optical properties and photoconductivity of amorphous silicon carbon nitride thin film and its application for UV detection. Diamond Relat. Mater.. 14:1010-1013.
Chen*, RS, Tsai HY, Chan CH, Huang YS, Chen YT, Chen KH, Chen LC.  2015.  Comparison of CVD- and MBE-grown GaN nanowires: crystallinity, photoluminescence, and photoconductivity. J. Electronic Mater. . 44 :177.