Cheuk Kai Gary KWOK

2024

Quaternary CsPbX₃ (X = Cl_1−xBr_x, Br_1−xI_x) alloy microplates synthesized by single-step chemical vapor deposition and their two-photon absorption (TPA) properties

Hossain, M. K., Qarony, W., Wang, Y., Kwok, C. K. G., Egbo, K. O., Tsang, Y. H., Ho, J. C. & Yu, K. M., 21 Feb 2024, In: Journal of Materials Chemistry C. 12, 7, p. 2561-2570

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

1 Citation (Scopus)

2023

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.-W., Ho, J. C. & Yu, K. M., 14 Apr 2023, In: Journal of Materials Chemistry C. 11, 14, p. 4603-4613

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

10 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

17 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

6 Citations (Scopus)

2022

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

6 Citations (Scopus)

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: The Journal of Physical Chemistry C. 126, 44, p. 18963-18971

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

5 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

17 Citations (Scopus)

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., He, X., Zhang, X., Yu, K. M. & Choy, W. C. H., 20 Oct 2022, In: Small Methods. 6, 10, 2200787.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

24 Citations (Scopus)

2021

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

21 Citations (Scopus)

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. & Yu, K. M., 17 Nov 2021, In: Journal of Physics Condensed Matter. 33, 46, 465703.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

9 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

6 Citations (Scopus)

Flexibility of Room-Temperature-Synthesized Amorphous CdO-In₂O₃Alloy 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., Yip, H.-L., Jen, A. K.-Y., Tsang, S.-W. & Yu, K. M., 15 Sept 2021, In: ACS Applied Materials and Interfaces. 13, 36, p. 43795–43805

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

2020

Controlling the p-Type Conductivity and Composition Range for Bipolar Conduction in Ni_xCd_1-_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., Wang, Y. & Yu, K. M., 17 Sept 2020, In: The Journal of Physical Chemistry C. 124, 37, p. 20000-20009

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

9 Citations (Scopus)

2019

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. IEEE, 8819192. (Compound Semiconductor Week, CSW - Proceedings).

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

2018

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., Kwok, C. K., Tsang, S.-W., Luo, Y., Ho, J. C. & Yu, K. M., 5 Feb 2018, In: Advanced Optical Materials. 6, 3, 1700993.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

56 Citations (Scopus)

2017

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 Reviews › RGC 21 - Publication in refereed journal › peer-review

Open Access

File

17 Citations (Scopus)

44 Downloads (CityUHK Scholars)

Dr. Cheuk Kai Gary KWOK, 郭卓楷

Research output

Search results