Dr. KWOK Cheuk Kai Gary (郭卓楷)

Research Output

  1. 2023
  2. Published

    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

    Kwok, C. K. G., Wang, Y., Shu, X. & Yu, K. M., 1 Aug 2023, In: Applied Surface Science. 627, 157295.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 7
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  3. Published

    Chemical vapor deposition growth and photodetector performance of lead-free all-inorganic crystalline Cs3Sb2X9 (X = I, Br) perovskite thin films

    Shil, S. K., Wang, F., Egbo, K. O., Wang, Y., Kwok, C. K. G., Tsang, S., Ho, J. C., & 1 othersYu, K. M., 14 Apr 2023, In: Journal of Materials Chemistry C. 11, 14, p. 4603-4613

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 4
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  4. Published

    Effects of transition metal dopants (Mo and W) on electrical and optical properties of CdO thin films

    Wang, Y., Chow, Y. Y., Kwok, C. K. G., Leung, Y. F. & Yu, K. M., 15 Feb 2023, In: Journal of Alloys and Compounds. 935, Part 1, 168116.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 3
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  5. 2022
  6. Published

    Enhancing the p-type conductivity of pure phase SnO via stoichiometry control and annealing

    Kwok, C. K. G., Wang, Y., Egbo, K., Hossain, M. K., Shil, S. K. & Yu, K. M., Dec 2022, In: Surfaces and Interfaces. 35, 102473.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 3
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  7. Published

    Improving the p-Type Conductivity and Transparency of Pure Phase SnO by Ga and Na Doping

    Kwok, C. K. G., Wang, Y., Egbo, K. & Yu, K. M., 10 Nov 2022, In: Journal of Physical Chemistry C. 126, 44, p. 18963-18971

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 4
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  8. Published

    Suppressing Nickel Oxide/Perovskite Interface Redox Reaction and Defects for Highly Performed and Stable Inverted Perovskite Solar Cells

    Ahmad, S., Ma, R., Zheng, J., Gary Kwok, C. K., Zhou, Q., Ren, Z., Kim, J., & 4 othersHe, X., Zhang, X., Yu, K. M. & Choy, W. C. H., 20 Oct 2022, In: Small Methods. 6, 10, 2200787.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 16
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  9. Published

    Improving the p–type conductivity of Cu2O thin films by Ni doping and their heterojunction with n–ZnO

    Wang, Y., Kai Gary Kwok, C., Xiao, D., Zhu, J., Shu, X., Ping Liu, C. & Man Yu, K., 15 Jul 2022, In: Applied Surface Science. 590, 153047.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 14
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  10. Published

    Amorphous CdO-In2O3 alloy thin films with high conductivity and transparency synthesized by sol-gel method

    Kwok, C. K. G., Liu, C. & Yu, K. M., 10 Feb 2022, In: Journal of Alloys and Compounds. 893, 162341.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 5
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  11. 2021
  12. Published

    Effects of oxygen flow ratio and thermal annealing on defect evolution of aluminum doped zinc oxide thin films by reactive DC magnetron sputtering

    Liu, C. P., Li, Z. H., Egbo, K. O., Kwok, C. K., Lv, X. H., Ho, C. Y., Wang, Y., & 1 othersYu, K. M., 17 Nov 2021, In: Journal of Physics Condensed Matter. 33, 46, 465703.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 8
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  13. Published

    Band alignment of wide bandgap NiO/MoO3 and NiO/WO3 p-n heterojunctions studied by high-resolution X-ray photoelectron spectroscopy

    Egbo, K. O., Shil, S. K., Kwok, C. G., Wang, Y., Liu, C. P. & Yu, K. M., 25 Sept 2021, In: Journal of Alloys and Compounds. 876, 160136.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 15
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  14. Published

    Electrical conductivity and effects of mechanical bending of flexible amorphous transparent conducting CdO-Ga2O3 films synthesized by room temperature sputtering

    Wang, Y., Lo, C. Y., Wong, Y. S., Kwok, C. K. G., Shil, S. K. & Yu, K. M., 15 Sept 2021, In: Journal of Alloys and Compounds. 875, 160000.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 5
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  15. Published

    Flexibility of Room-Temperature-Synthesized Amorphous CdO-In2OAlloy Films and Their Application as Transparent Conductors in Solar Cells

    Wang, Y., Li, M., Fan, B., Wong, Y. S., Lo, C. Y., Kwok, C. K. G., Shil, S. K., & 4 othersYip, H., Jen, A. K. -., Tsang, S. & Yu, K. M., 15 Sept 2021, In: ACS Applied Materials and Interfaces. 13, 36, p. 43795–43805

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 5
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  16. Published

    Highly transparent and conducting In doped CdO synthesized by sol-gel solution processing

    Kwok, C. K. G. & Yu, K. M., Aug 2021, In: Journal of Materials Science. 56, 22, p. 12607–12619

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 7
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  17. 2020
  18. Published

    Controlling the p-Type Conductivity and Composition Range for Bipolar Conduction in NixCd1- xO Alloys by Acceptor Doping

    Egbo, K. O., Liu, C. P., Hossain, M. K., Ho, C. Y., Kwok, C. G., Shil, S. K., Ezeh, C. V., & 2 othersWang, Y. & Yu, K. M., 17 Sept 2020, In: Journal of Physical Chemistry C. 124, 37, p. 20000-20009

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 8
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  19. 2019
  20. Published

    Sol-gel synthesis of highly transparent and conducting Cadmium Oxide

    Kwok, C. K. G., Liu, C. P. & Yu, K. M., May 2019, 2019 Compound Semiconductor Week (CSW): Proceedings. Institute of Electrical and Electronics Engineers, Inc., 8819192. (Compound Semiconductor Week, CSW - Proceedings).

    Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

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  21. 2018
  22. Published

    Room-Temperature Red–Green–Blue Whispering-Gallery Mode Lasing and White-Light Emission from Cesium Lead Halide Perovskite (CsPbX3, X = Cl, Br, I) Microstructures

    Guo, P., Hossain, M. K., Shen, X., Sun, H., Yang, W., Liu, C., Ho, C. Y., & 5 othersKwok, C. K., Tsang, S., Luo, Y., Ho, J. C. & Yu, K. M., 5 Feb 2018, In: Advanced Optical Materials. 6, 3, 1700993.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 53
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  23. 2017
  24. Published

    High mobility transparent amorphous CdO-In2O3 alloy films synthesized at room temperature

    Liu, C. P., Ho, C. Y., Kwok, C. K., Guo, P. F., Hossain, M. K., Zapien, J. A. & Yu, K. M., 14 Aug 2017, In: Applied Physics Letters. 111, 7, 072108.

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Scopus citations: 16
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