Kar Wei Ng

4.9k citations

134 papers · 3.9k · 2 hit papers · h-index 34

Impact in

Catalysis top 2%
- Ammonia Synthesis and Nitrogen Reduction
Renewable Energy, Sustainability and the Environment top 2%
- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion

Papers in

Electrical and Electronic Engineering 76
- Photonic and Optical Devices 25
- Perovskite Materials and Applications 20
- Chalcogenide Semiconductor Thin Films 11
Materials Chemistry 71
- Quantum Dots Synthesis And Properties 33
- 2D Materials and Applications 11

Co-authors: Connie J. Chang-Hasnain (33 shared papers)Hui Pan (23 shared papers)Shuangpeng Wang (45 shared papers)Thai-Truong D. Tran (18 shared papers)Wai Son Ko (20 shared papers)Kei May Lau (13 shared papers)Roger Chen (15 shared papers)Linus C. Chuang (10 shared papers)
Journals: ACS Applied Materials & Interfaces (7 papers)Applied Physics Letters (7 papers)Nano Letters (6 papers)ACS Applied Nano Materials (4 papers)Chemical Engineering Journal (4 papers)
Partner nations: Macao China United States

In The Last Decade

Kar Wei Ng

124 papers receiving 3.8k citations

Kar Wei Ng's Hit Papers

align trajectories log scale

Recent Advances in Electrocatalysts for Efficient Nitrate Reduction to Ammonia 2023 · 231 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2023 Advanced Functional Materials
2011 Nature Photonics

Peers

Countries citing papers authored by Kar Wei Ng

Since Specialization

Citations

This map shows the geographic impact of Kar Wei Ng's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kar Wei Ng with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kar Wei Ng more than expected).

Fields of papers citing papers by Kar Wei Ng

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kar Wei Ng. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kar Wei Ng. The network helps show where Kar Wei Ng may publish in the future.

Co-authors

The 25 scholars most cited alongside Kar Wei Ng, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Kar Wei Ng Line = papers co-authored together Kar Wei Ng links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 134 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Nanolasers grown on silicon Nature Photonics ·Roger Chen, Thai-Truong D. Tran, Kar Wei Ng, Wai Son Ko, Linus C. Chuang, Forrest Sedgwick, Connie J. Chang-Hasnain Hit paper breakdown →	2011	403
2	Recent Advances in Electrocatalysts for Efficient Nitrate Reduction to Ammonia Advanced Functional Materials ·Di Liu, Lulu Qiao, Shuyang Peng, Haoyun Bai, Chunfa Liu, Weng Fai Ip, Kin Ho Lo, Hongchao Liu, Kar Wei Ng, Shuangpeng Wang, Xiaozhan Yang, Hui Pan Hit paper breakdown →	2023	231
3	1-kV Sputtered p-NiO/n-Ga₂O₃ Heterojunction Diodes With an Ultra-Low Leakage Current Below $1~\mu$ A/cm² IEEE Electron Device Letters ·Xing Lü, Xianda Zhou, Huaxing Jiang, Kar Wei Ng, Zimin Chen, Yanli Pei, Kei May Lau, Gang Wang	2020	192
4	Growing antiphase-domain-free GaAs thin films out of highly ordered planar nanowire arrays on exact (001) silicon Applied Physics Letters ·Qiang Li, Kar Wei Ng, Kei May Lau	2015	132
5	In-situ/operando Raman techniques for in-depth understanding on electrocatalysis Chemical Engineering Journal ·Mingpeng Chen, Di Liu, Lulu Qiao, Pengfei Zhou, Jinxian Feng, Kar Wei Ng, Qingju Liu, Shuangpeng Wang, Hui Pan	2023	120
6	Multi‐Phase Heterostructure of CoNiP/Co_xP for Enhanced Hydrogen Evolution Under Alkaline and Seawater Conditions by Promoting H₂O Dissociation Small ·Dong Liu, Haoqiang Ai, Mingpeng Chen, Pengfei Zhou, Bowen Li, Di Liu, Xinyu Du, Kin Ho Lo, Kar Wei Ng, Shuangpeng Wang, Shi Chen, Guichuan Xing, Jin‐Song Hu, Hui Pan	2021	120
7	Electrocatalytic reduction of nitrate to ammonia on low-cost manganese-incorporated Co3O4 nanotubes Applied Catalysis B: Environmental ·Di Liu, Lulu Qiao, Yuyun Chen, Pengfei Zhou, Jinxian Feng, Chon Chio Leong, Kar Wei Ng, Shengjie Peng, Shuangpeng Wang, Weng Fai Ip, Hui Pan	2022	108
8	Two-dimensional materials as novel co-catalysts for efficient solar-driven hydrogen production Journal of Materials Chemistry A ·Rui Tong, Kar Wei Ng, Xina Wang, Shuangpeng Wang, Xuesen Wang, Hui Pan	2020	99
9	Two-Dimensional Layered Materials: High-Efficient Electrocatalysts for Hydrogen Evolution Reaction ACS Applied Nano Materials ·Qing Zhu, Yuanju Qu, Detao Liu, Kar Wei Ng, Hui Pan	2020	96
10	Crystalline phosphides/amorphous oxides composite for energy-saving hydrogen production assisted by efficient urea oxidation reaction Chemical Engineering Journal ·Lulu Qiao, Anquan Zhu, Di Liu, Jinxian Feng, Yuyun Chen, Mingpeng Chen, Pengfei Zhou, Lihong Yin, Rucheng Wu, Kar Wei Ng, Hui Pan	2022	93
11	Nickel-facilitated in-situ surface reconstruction on spinel Co3O4 for enhanced electrochemical nitrate reduction to ammonia Applied Catalysis B: Environmental ·Lulu Qiao, Di Liu, Anquan Zhu, Jinxian Feng, Pengfei Zhou, Chunfa Liu, Kar Wei Ng, Hui Pan	2023	91
12	In-situ generation of Ni-CoOOH through deep reconstruction for durable alkaline water electrolysis Chemical Engineering Journal ·Mingpeng Chen, Di Liu, Jinxian Feng, Pengfei Zhou, Lulu Qiao, Wenlin Feng, Yuyun Chen, Kar Wei Ng, Shuangpeng Wang, Weng Fai Ip, Hui Pan	2022	91
13	Solar Cell Efficiency Exceeding 25% through Rb-Based Perovskitoid Scaffold Stabilizing the Buried Perovskite Surface ACS Energy Letters ·Jinbo Chen, Hua Dong, Jingrui Li, Xinyi Zhu, Jie Xu, Fang Pan, Ruoyao Xu, Jun Xi, Bo Jiao, Xun Hou, Kar Wei Ng, Shuangpeng Wang, Zhaoxin Wu	2022	86
14	GaAs-Based Nanoneedle Light Emitting Diode and Avalanche Photodiode Monolithically Integrated on a Silicon Substrate Nano Letters ·Linus C. Chuang, Forrest Sedgwick, Roger Chen, Wai Son Ko, Michael Moewe, Kar Wei Ng, Thai-Truong D. Tran, Connie J. Chang-Hasnain	2010	81
15	Sensitive and Low-Power Metal Oxide Gas Sensors with a Low-Cost Microelectromechanical Heater ACS Omega ·Yulong Chen, Mingjie Li, Wenjun Yan, Xin Zhuang, Kar Wei Ng, Xing Cheng	2021	81
16	Ultrasensitive ethanol sensor based on segregated ZnO-In2O3 porous nanosheets Applied Surface Science ·Wenjun Yan, Yulong Chen, Xiaomin Zeng, Gu Wu, Wei Jiang, Di Wei, Min Ling, Kar Wei Ng, Yuxiang Qin	2020	74
17	Stable and Efficient Blue‐Emitting CsPbBr₃ Nanoplatelets with Potassium Bromide Surface Passivation Small ·Hao Lin, Qi Wei, Kar Wei Ng, Jiayi Dong, Jie‐Lei Li, Weiwei Liu, Shanshan Yan, Shi Chen, Guichuan Xing, Xiaosheng Tang, Zikang Tang, Shuangpeng Wang	2021	65
18	Close-loop recycling of perovskite solar cells through dissolution-recrystallization of perovskite by butylamine Cell Reports Physical Science ·Xiyuan Feng, Qing Guo, Jingwei Xiu, Zhiqin Ying, Kar Wei Ng, Limin Huang, Shuangpeng Wang, Hui Pan, Zikang Tang, Zhubing He	2021	62
19	Spray-deposited PbS colloidal quantum dot solid for near-infrared photodetectors Nano Energy ·Wei Chen, Haodong Tang, Yulong Chen, Julian E. Heger, Nian Li, Lucas P. Kreuzer, Yue Xie, Depeng Li, Carl Anthony, Zoe Pikramenou, Kar Wei Ng, Xiao Wei Sun, Kai Wang, Peter Müller‐Buschbaum	2020	61
20	Nanophotonic integrated circuits from nanoresonators grown on silicon Nature Communications ·Roger Chen, Kar Wei Ng, Wai Son Ko, Devang Parekh, Fanglu Lu, Thai-Truong D. Tran, Kun Li, Connie J. Chang-Hasnain	2014	58

About Kar Wei Ng

Kar Wei Ng is a scholar working on Electrical and Electronic Engineering, Materials Chemistry, Biomedical Engineering, Atomic and Molecular Physics, and Optics and Renewable Energy, Sustainability and the Environment, having authored 134 papers that have together received 3.9k indexed citations. Recurring topics across this work include Nanowire Synthesis and Applications (40 papers), Quantum Dots Synthesis And Properties (33 papers), Semiconductor Quantum Structures and Devices (30 papers), Photonic and Optical Devices (25 papers), Perovskite Materials and Applications (20 papers), Advanced Photocatalysis Techniques (14 papers), Chalcogenide Semiconductor Thin Films (11 papers) and 2D Materials and Applications (11 papers). The work is most often cited by research in Catalysis (511 citations), Renewable Energy, Sustainability and the Environment (1.2k citations), Electrical and Electronic Engineering (2.3k citations), Materials Chemistry (1.6k citations) and Atomic and Molecular Physics, and Optics (953 citations). Kar Wei Ng has collaborated with scholars based in Macao, China and United States. Frequent co-authors include Connie J. Chang-Hasnain, Hui Pan, Shuangpeng Wang, Thai-Truong D. Tran, Wai Son Ko, Kei May Lau, Roger Chen, Linus C. Chuang, Lulu Qiao and Forrest Sedgwick. Their work appears in journals such as ACS Applied Materials & Interfaces, Applied Physics Letters, Nano Letters, ACS Applied Nano Materials and Chemical Engineering Journal.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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