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Cheuk Kai Gary Kwok

City University of Hong Kong (CityU)

SCHOLARLY PAPERS

5

DOWNLOADS

322

TOTAL CITATIONS

2

Scholarly Papers (5)

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1.

Conversion of P-Type SnO to N-Type SnO2 Via Oxidation and the Band Offset and Rectification of an All-Tin Oxide P-N Junction Structure

Number of pages: 13 Posted: 15 Mar 2023
Cheuk Kai Gary Kwok, Ying Wang, Xingyu Shu and Kin Man Yu
City University of Hong Kong (CityU), City University of Hong Kong (CityU), City University of Hong Kong (CityU) and City University of Hong Kong (CityU)
Downloads 142 (530,816)

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Tin monoxide, Tin dioxide, transparent conducting oxide, band offset, p-n junction

2.

Improving the P–Type Conductivity of Cu2o Thin Films by Ni Doping and Their Heterojunction with N–Zno

Number of pages: 22 Posted: 16 Feb 2022
Ying Wang, Cheuk Kai Gary Kwok, Dezhi Xiao, Jiuzhou Zhu, Xingyu Shu, Chao Ping Liu and Kin Man Yu
City University of Hong Kong (CityU), City University of Hong Kong (CityU), Chinese Academy of Sciences (CAS) - Songshan Lake Materials Laboratory, affiliation not provided to SSRN, affiliation not provided to SSRN, Shantou University and City University of Hong Kong (CityU)
Downloads 72 (860,052)
Citation 1

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p-type transparent oxide semiconductors, cuprous oxide, rapid thermal annealing, heterojunction, energy band offsets

3.

Effects of Quasi-Fermi Level Splitting and Band Tail States on Open Circuit Voltage Towards High-Efficiency Cu(In,Ga)Se2 Solar Cells

Number of pages: 13 Posted: 22 Dec 2023
Cheuk Kai Gary Kwok, Hamidou Tangara, Naoki Masuko, Roland Scheer, Shogo Ishizuka, Muhammad Monirul Islam and Takeaki Sakurai
City University of Hong Kong (CityU), University of Tsukuba, University of Tsukuba, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Tsukuba and University of Tsukuba
Downloads 41 (1,183,237)

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Open circuit voltage, Cu(In, Ga)Se2, quasi-Fermi level splitting, Urbach tail

4.

Solution-Processed ZnCdO Alloy Thin Films with High Mobility and Phase Stability

Number of pages: 24 Posted: 31 Dec 2025
Dong-Wook Kim, Kin Man Yu and Cheuk Kai Gary Kwok
Ewha Womans University, City University of Hong Kong (CityU) and City University of Hong Kong (CityU)
Downloads 39 (1,222,651)

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transparent conducting oxide, sol-gel method, ZnO, CdO

5.

Effects of Transition Metal Dopants (Mo and W) on Electrical and Optical Properties of Cdo Thin Films

Number of pages: 20 Posted: 07 Jul 2022
Ying Wang, Yuen Yan Chow, Cheuk Kai Gary Kwok, Yau Fung Leung and Kin Man Yu
City University of Hong Kong (CityU), affiliation not provided to SSRN, City University of Hong Kong (CityU), affiliation not provided to SSRN and City University of Hong Kong (CityU)
Downloads 28 (1,345,526)
Citation 1

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transparent conducting oxides, transition metal dopant, cadmium oxide, native defects, rapid thermal annealing