(* denotes corresponding author; Underlined denotes students under supervision)

1. Wenhao Zhang, Abdul Rahman Mohamed, Wee-Jun Ong* (2020). Z-scheme photocatalytic systems for carbon dioxide reduction: Where are we now? Angewandte Chemie International Edition, DOI: 10.1002/anie.201914925. (Invited Review)

2. Wee-Jun Ong* et al. (2020). Pb-Based Halide Perovskites: Recent Advances in Photo(electro)catalytic Applications and Looking Beyond. Advanced Functional Materials, DOI: 10.1002/adfm.201909667. 

3. Lutfi K. Putri, Boon-Junn Ng, Wee-Jun Ong, Hing Wah Lee, Wei Sea Chang, Abdul Rahman Mohamed, Siang-Piao Chai (2020). Energy level tuning of CdSe colloidal quantum dots in ternary 0D-2D-2D CdSe QD/B-rGO/O-gC3N4 as photocatalysts for enhanced hydrogen generation. Applied Catalysis B: Environmental, 265, 118592. 

4. Bin Huang, Neng Li, Wee-Jun Ong* and Naigen Zhou (2019). Single atom-supported MXene: how single-atomic-site catalysts tune the high activity and selectivity of electrochemical nitrogen fixation. Journal of Materials Chemistry A, 7 (48), 27620-27631. 

5. Ru Xuan Seng, Lling-Lling Tan, W.P. Cathie Lee, Wee-Jun Ong, Siang-Piao Chai (2020). Nitrogen-doped carbon quantum dots-decorated 2D graphitic carbon nitride as a promising photocatalyst for environmental remediation: A study on the importance of hybridization approach. Journal of Environmental Management, 255, 109936.

6. Yulu Yang, Mingguang Wu, …, Wee-Jun Ong, Jianmin Ma (2019). 2020 Roadmap on two-dimensional nanomaterials for environmental catalysis. Chinese Chemical Letters, 30 (12), 2065-2088.

7. Bo Ding, Wee-Jun Ong,* Jizhou Jiang, Xingzhu Chen and Neng Li (2020). Uncovering the electrochemical mechanisms for hydrogen evolution reaction of heteroatom doped M₂C MXene (M = Ti, Mo). Applied Surface Science, 500, 143987.

8. C. Murugan, K.B. Bhojanaa, Wee-Jun Ong, K. Jothivenkatachalam and A. Pandikumar (2019). Improving hole mobility with the heterojunction of graphitic carbon nitride and titanium dioxide via soft template process in photoelectrocatalytic water splitting. International Journal of Hydrogen Energy, 44 (59), 30885-30898.

9. Lutfi K. Putri, Boon-Junn Ng, Chen-Chen Er, Wee-Jun Ong, Wei Sea Chang, Abdul Rahman Mohamed and Siang-Piao Chai (2020). Insights on the impact of doping levels in oxygen-doped gC₃N₄ and its effects on photocatalytic activity. Applied Surface Science, 504, 144427.

10. Xingzhu Chen, Wee-Jun Ong,* Zhouzhou Kong, Xiujian Zhao and Neng Li (2020). Probing the active sites of site-specific nitrogen doping in metal-free graphdiyne for electrochemical oxygen reduction reactions. Science Bulletin, 65 (1), 45-54. 

11. Deqian Zeng, Zhiqing Lu, Xueyou Gao, Bingjia Wu and Wee-Jun Ong* (2019). Hierarchical flower-like ZnIn₂S₄ anchored with well-dispersed Ni₁₂P₅ nanoparticles for high-quantum-yield photocatalytic H₂ evolution under visible light. Catalysis Science & Technology, 9 (15), 4010-4016. 

12. Quan Xu, Wenjing Yang, Yangyang Wen, Shengkun Liu, Zheng Liu, Wee-Jun Ong,* Neng Li (2019). Hydrochromic full-color MXene quantum dots through hydrogen bonding toward ultrahigh-efficiency white light-emitting diodes. Applied Materials Today, 16, 90-101. 

13. Ming Li, Weijun Li, Wei Cai, Xiaojie Zhang, Zhihang Wang, Jason Street, Wee-Jun Ong,* Zhenhai Xia and Quan Xu (2019). A self-healing hydrogel with pressure sensitive photoluminescence for remote force measurement and healing assessment. Materials Horizons, 6 (4), 703-710. (Selected as Journal Outside Front Cover) 

14. Mohamad Fakhrul Ridhwan Samsudin, Prasenna John Jayabalan, Wee-Jun Ong, Yun Hau Ng and Suriati Sufian (2019). Photocatalytic degradation of real industrial poultry wastewater via platinum decorated BiVO₄/g-C₃N₄ photocatalyst under solar light irradiation. Journal of Photochemistry and Photobiology A: Chemistry, 378, 46-56.

15. Deqian Zeng, Ting Zhou, Wee-Jun Ong,* Mingda Wu, Xiaoguang Duan, Wanjie Xu, Yuanzhi Chen, Yi-An Zhu, Dong-Liang Peng (2019). Sub-5 nm ultrafine FeP nanodots as efficient cocatalysts modified porous g-C₃N₄ for precious-metal-free photocatalytic hydrogen evolution under visible light. ACS Applied Materials & Interfaces, 11 (6), 5651-5660. (Invited contribution for the Special Issue on “Artificial Photosynthesis: Harnessing Materials and Interfaces for Sustainable Fuels”) (Selected as Journal Outside Front Cover) 

16. Wee-Jun Ong* (2019). Learning from natural leaves: Going green with artificial photosynthesis forum. ACS Applied Materials & Interfaces, 11 (6), 5579-5580. (Invited contribution) 

17. Wenke Li, Neng Li, Chao Liu, George Neville Greaves, Wee‐Jun Ong and Xiujian Zhao (2019). Understanding the atomic and electronic structures origin of defect luminescence of CdSe quantum dots in glass matrix. Journal of the American Ceramic Society, 102, 5375-5385. 

18. Wei Cai, Ting Zhang, Meng Xu, Miaoran Zhang, Yongjian Guo, Lipeng Zhang, Jason Street, Wee-Jun Ong* and Quan Xu (2019). Full color carbon dots through surface engineering for constructing white light-emitting diodes. Journal of Materials Chemistry C, 7 (8), 2212-2218. 

19. Yijie Ren, Deqian Zeng and Wee-Jun Ong* (2019). Interfacial engineering of graphitic carbon nitride (g-C₃N₄)-based metal sulfide heterojunction photocatalysts for energy conversion: A review. Chinese Journal of Catalysis, 40 (3), 289-319. (Invited contribution for the Special Issue on “Photocatalysis”)

20. Quan Xu,* Weijun Li, Lan Ding, Wenjing Yang, Haihua Xiao and Wee-Jun Ong* (2019). Function-driven engineering of 1D carbon nanotubes and 0D carbon dots: Mechanism, properties and applications. Nanoscale, 11 (4), 1475-1504. 

21. Jiahe Peng, Xingzhu Chen, Wee-Jun Ong,* Xiujian Zhao and Neng Li (2019). Surface and heterointerface engineering of 2D MXenes and their nanocomposites: Insights into electro- and photo-catalysis. Chem, 5 (1), 18-50. (Invited review) 

22. Zhouzhou Kong, Xingzhu Chen, Wee-Jun Ong,* Xiujian Zhao and Neng Li (2019). Atomic-level insight into the mechanism of 0D/2D black phosphorus quantum dot/graphitic carbon nitride (BPQD/GCN) metal-free heterojunction for photocatalysis. Applied Surface Science, 463, 1148-1153. (Invited contribution for the EEPM3 photocatalysis symposium) 

23. Quan Xu, Wei Cai, Wenke Li, Theruvakkattil Sreenivasan Sreeprasad, Ziyin He, Wee-Jun Ong, Neng Li (2018). Two-dimensional quantum dots: Fundamentals, photoluminescence mechanism and their energy and environmental applications. Materials Today Energy, 10, 222-240.

24. Bin Huang, Naigen Zhou, Xingzhu Chen, Wee-Jun Ong* and Neng Li (2018). Insights into the electrocatalytic hydrogen evolution reaction mechanism on two‐dimensional transition metal carbonitrides (MXene). Chemistry – A European Journal, 24 (69), 18479-18486. (Invited contribution for the Special Issue on “Renewable Energy”) (Selected as Journal Frontispiece)

25. Xingzhu Chen, Xiujian Zhao, Zhouzhou Kong, Wee-Jun Ong* and Neng Li (2018). Unravelling the electrochemical mechanisms for nitrogen fixation on single transition metal atom embedded in defective graphitic carbon nitride. Journal of Materials Chemistry A, 6, 21941-21948. (Invited contribution for the Special Issue on “JMCA Emerging Investigator”) (Selected as Journal Outside Front Cover)

26. Quan Xu, Lan Ding, Yangyang Wen, Wenjing Yang, Hongjun Zhou, Xingzhu Chen, Jason Street, Aiguo Zhou, Wee-Jun Ong and Neng Li (2018). High photoluminescence quantum yield of 18.7% by nitrogen-doped Ti₃C₂ MXene quantum dots. Journal of Materials Chemistry C, 6, 6360–6369.

27. Lutfi K. Putri, Boon-Junn Ng, Kok Hong Tan, Fang Sheng Lim, Wee-Jun Ong, Wei Sea Chang and Siang-Piao Chai (2018). Tailoring the properties of oxygenated graphene with different oxidation degrees for noble-metal-free photocatalytic hydrogen evolution. Catalysis Today, 315, 93-102. 

28. Lin Jing, Wee-Jun Ong, Rui Zhang, Emma Pickwell-MacPherson and Jimmy C. Yu (2018). Graphitic carbon nitride nanosheet wrapped mesoporous titanium dioxide for enhanced photoelectrocatalytic water splitting. Catalysis Today, 315, 103-109. 

29. Deqian Zeng, Pengyuan Wu, Wee-Jun Ong,* Baoshan Tang, Mingda Wu, Hongfei Zheng, Yuanzhi Chen and Dong-Liang Peng (2018). Construction of network-like and flower-like 2H-MoSe₂ nanostructures coupled with porous g-C₃N₄ for noble-metal-free photocatalytic H₂ evolution under visible light. Applied Catalysis B: Environmental, 233, 26–34. 

30. Lutfi Kurnianditia Putri, Boon-Junn Ng, Wee-Jun Ong, Hing Wah Lee, Wei Sea Chang and Siang-Piao Chai (2018). Engineering nanoscale p-n junction via the synergetic dual-doping of p-type boron-doped graphene hybridized with n-type oxygen-doped carbon nitride for enhanced photocatalytic hydrogen evolution. Journal of Materials Chemistry A, 6, 3181–3194. 

31. Deqian Zeng, Wee-Jun Ong,* Yuanzhi Chen, Si Yin Tee, Chin Sheng Chua, Dong-Liang Peng and Ming-Yong Han (2018). Co₂P nanorods as an efficient cocatalyst decorated porous g-C₃N₄ nanosheets for photocatalytic hydrogen production under visible light irradiation. Particle & Particle Systems Characterization, 35, 1700251. (Invited contribution for the Special Issue on “Artificial Photosynthesis: Mimicking Nature for Renewable Energy Production”) (Selected as Journal Frontispiece) 

32. Deqian Zeng, Wanjie Xu, Wee-Jun Ong,* Juan Xu, He Ren, Yuanzhi Chen, Hongfei Zheng and Dong-Liang Peng (2018). Toward noble-metal-free visible-light-driven photocatalytic hydrogen evolution: Monodisperse sub-15 nm Ni₂P nanoparticles anchored on porous g-C₃N₄ nanosheets to engineer 0D-2D heterojunction interfaces. Applied Catalysis B: Environmental, 221, 47–55.

33. Pengfei Chen, Neng Li, Xingzhu Chen, Wee-Jun Ong* and Xiujian Zhao (2018). The rising star of 2D black phosphorus beyond graphene: Synthesis, properties and electronic applications. 2D Materials, 5, 014002. (Invited contribution for the Focus Issue on “Phosphorene and Related 2D Materials for Electronics and Optics”) 

34. Xingzhu Chen, Neng Li, Zhouzhou Kong, Wee-Jun Ong* and Xiujian Zhao (2018). Photocatalytic fixation of nitrogen to ammonia: State-of-the-art advancement and future prospects. Materials Horizons, 5, 9–27. (Selected as Journal Inside Front Cover) 

35. Yi Wen Phuan, Wee-Jun Ong, Meng Nan Chong and Joey D. Ocon (2017). Prospects of electrochemically synthesized hematite photoanodes for photoelectrochemical water splitting: A review. Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 33, 54–82. 

36. Neng Li, Xingzhu Chen, Wee-Jun Ong, Douglas R. MacFarlane, Xiujian Zhao, Anthony K. Cheetham and Chenghua Sun (2017). Understanding of electrochemical mechanisms for CO₂ capture and conversion into hydrocarbon fuels in transition-metal carbides (MXenes). ACS Nano, 11, 10825–10833.

37. Deqian Zeng, Lang Xiao, Wee-Jun Ong,* Pengyuan Wu, Hongfei Zheng, Yuanzhi Chen and Dong-Liang Peng (2017). Hierarchical ZnIn₂S₄/MoSe₂ nanoarchitectures for efficient noble-metal-free photocatalytic hydrogen evolution under visible light. ChemSusChem, 10, 4624–4631. (Invited contribution for the Special Issue on “Artificial Photosynthesis for Sustainable Fuels”) 

38. Deqian Zeng, Wee-Jun Ong,* Hongfei Zheng, Mingda Wu, Yuanzhi Chen, Dong-Liang Peng and Ming-Yong Han (2017). Ni₁₂P₅ nanoparticles embedded into porous g-C₃N₄ nanosheets as a noble-metal-free hetero-structure photocatalyst for efficient H₂ production under visible light. Journal of Materials Chemistry A, 5, 16171–16178. (Invited contribution for the Special Issue on “Green Materials and Surfaces”) (Selected as Journal Back Cover Special Issue) 

39. Lutfi Kurnianditia Putri, Boon-Junn Ng, Wee-Jun Ong, Wei Sea Chang, and Siang-Piao Chai (2017). Heteroatom nitrogen- and boron-doping as a facile strategy to improve photocatalytic activity of standalone reduced graphene oxide in hydrogen evolution. ACS Applied Materials & Interfaces, 9, 4558–4569. 

40. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2017). Photocatalytic reduction of CO₂ with H₂O over graphene oxide-supported oxygen-rich TiO₂ hybrid photocatalyst under visible light irradiation: Process and kinetic studies. Chemical Engineering Journal. 308, 248–255. 

41. Xin Ying Kong, W. P. Cathie Lee, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2016). Oxygen-deficient BiOBr as a highly stable photocatalyst for efficient CO₂ reduction into renewable carbon-neutral fuels. ChemCatChem, 8, 3074–3081. 

42. Lutfi Kurnianditia Putri, Lling-Lling Tan, Wee-Jun Ong and Siang-Piao Chai (2016). Graphene oxide: Exploiting its unique properties toward visible-light-driven photocatalysis. Applied Materials Today, 4, 9–16. (New sister journal of Materials Today) (Invited review article) 

43. Lutfi Kurnianditia Putri, Wee-Jun Ong, Wei Sea Chang and Siang-Piao Chai (2016). Enhancement in the photocatalytic activity of carbon nitride through hybridization with light-sensitive AgCl for carbon dioxide reduction to methane. Catalysis Science & Technology, 6, 744–754. 

44. Lutfi Kurnianditia Putri, Wee-Jun Ong, Wei Sea Chang and Siang-Piao Chai (2015). Heteroatom doped graphene in photocatalysis: A review. Applied Surface Science, 358, 2–14.

45. Wei Li Tong, Wee-Jun Ong, Siang-Piao Chai, Ming Kwang Tan and Yew Mun Hung (2015). Enhanced evaporation strength through fast water permeation in graphene-oxide deposition. Scientific Reports, 5, 11896.

46. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2016). Visible-light-activated oxygen-rich TiO₂ as next generation photocatalyst: Importance of annealing temperature on the photoactivity toward reduction of carbon dioxide. Chemical Engineering Journal, 283, 1254-1263. 

47. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai, Boon Tong Goh and Abdul Rahman Mohamed (2015). Visible-light-active oxygen-rich TiO₂ decorated 2D graphene oxide with enhanced photocatalytic activity towards carbon dioxide reduction. Applied Catalysis B: Environmental, 179, 160-170. 

48. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2015). Noble metal modified reduced graphene oxide/TiO₂ ternary nanostructures for efficient visible-light-driven photoreduction of carbon dioxide into methane. Applied Catalysis B: Environmental, 166-167, 251-259. 

49. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2014). Band gap engineered, oxygen-rich TiO₂ for visible light induced photocatalytic reduction of CO₂. Chemical Communications, 50, 6923-6926. 

50. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2013). Reduced graphene oxide-TiO₂ nanocomposite as a promising visible-light-active photocatalyst for the conversion of carbon dioxide. Nanoscale Research Letters, 8, 465.

51. Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2013). Growth of carbon nanotubes over non-metallic based catalysts: A review on the recent developments. Catalysis Today, 217, 1-12. 

52. Wee-Jun Ong,* Zhiqun Lin and Kazunari Domen (2018). Artificial photosynthesis: Taking a big leap for powering the Earth via harnessing solar energy. Particle & Particle Systems Characterization, 35, 1700451 (Invited contribution for the Special Issue on “Artificial Photosynthesis: Mimicking Nature for Renewable Energy Production”) 

53. Wee-Jun Ong* (2017). 2D/2D graphitic carbon nitride (g-C₃N₄) heterojunction nanocomposites for photocatalysis: Why does face-to-face interface matter? Frontiers in Materials, 4, 11, DOI: 10.3389/fmats.2017.00011. (Invited contribution in conjunction with the role of Associate Editor) 

54. Wee-Jun Ong,* Lutfi Kurnianditia Putri, Yoong-Chuen Tan, Lling-Lling Tan, Neng Li, Yun Hau Ng, Xiaoming Wen and Siang-Piao Chai (2017). Unravelling charge carrier dynamics in protonated g-C₃N₄ interfaced with carbon nanodots as co-catalysts toward enhanced photocatalytic CO₂ reduction: A combined experimental and first-principles DFT study. Nano Research, 10, 1673–1696. (Invited contribution for the Special Issue on “Nano Research Award 2016”) (Selected as Journal Front Cover Issue) 

55. Wee-Jun Ong,* Lling-Lling Tan, Yun Hau Ng, Siek-Ting Yong and Siang-Piao Chai (2016). Graphitic carbon nitride (g-C₃N₄)-based photocatalysts for artificial photosynthesis and environmental remediation: Are we a step closer to achieving sustainability? Chemical Reviews, 116, 7159–7329. (Invited review article)

56. Wee-Jun Ong, Kurnianditia Putri Lutfi, Lling-Lling Tan, Siang-Piao Chai and Siek-Ting Yong (2016). Heterostructured AgX/g-C₃N₄ (X = Cl and Br) nanocomposites via a sonication-assisted deposition-precipitation approach: Emerging role of halide ions in the synergistic photocatalytic reduction of carbon dioxide. Applied Catalysis B: Environmental, 180, 530-543. 

57. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai, Siek-Ting Yong and Abdul Rahman Mohamed (2015). Surface charge modification via protonation of graphitic carbon nitride (g-C₃N₄) for electrostatic self-assembly construction of 2D/2D reduced graphene oxide (rGO)/g-C₃N₄ nanostructures toward enhanced photocatalytic reduction of carbon dioxide to methane. Nano Energy, 13, 757-770. 

58. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai and Siek-Ting Yong (2015). Heterojunction engineering of graphitic carbon nitride (g-C₃N₄) via Pt loading with improved daylight-induced photocatalytic reduction of carbon dioxide to methane. Dalton Transactions, 44, 1249-1257. 

59. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai and Siek-Ting Yong (2015). Graphene oxide as a structure-directing agent for the two-dimensional interface engineering of sandwich-like graphene–g-C₃N₄ hybrid nanostructures with enhanced visible-light photoreduction of CO₂ to methane. Chemical Communications, 51, 858-861. 

60. Wee-Jun Ong, Seen-Yee Voon, Lling-Lling Tan, Boon Tong Goh, Siek-Ting Yong and Siang-Piao Chai (2014). Enhanced daylight-induced photocatalytic activity of solvent exfoliated graphene (SEG)/ZnO hybrid nanocomposites towards degradation of Reactive Black 5. Industrial & Engineering Chemistry Research, 53, 17333-17344.

61. Wee-Jun Ong, Jia-Jun Yeong, Lling-Lling Tan, Boon Tong Goh, Siek-Ting Yong and Siang-Piao Chai (2014). Synergistic effect of graphene as a co-catalyst for enhanced daylight-induced photocatalytic activity of Zn_0.5Cd_0.5S synthesized via an improved one-pot co-precipitation-hydrothermal strategy. RSC Advances, 4, 59676-59685. 

62. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai, Siek-Ting Yong and Abdul Rahman Mohamed (2014). Self-assembly of nitrogen-doped TiO₂ with exposed {001} facets on the graphene scaffold as photo-active hybrid nanostructures for reduction of carbon dioxide to methane. Nano Research, 7, 1528-1547. 

63. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai, Siek-Ting Yong and Abdul Rahman Mohamed (2014). Facet-dependent photocatalytic properties of TiO₂-based composites for energy conversion and environmental remediation. ChemSusChem, 7, 690-719. 

64. Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai, Siek-Ting Yong and Abdul Rahman Mohamed (2014). Highly reactive {001} facets of TiO₂-based composites: Synthesis, formation mechanism and characterizations. Nanoscale, 6, 1946-2008. 

65. Wee-Jun Ong, Meei Mei Gui, Siang-Piao Chai and Abdul Rahman Mohamed (2013). Direct growth of carbon nanotubes on Ni/TiO₂ as next generation catalysts for photoreduction of CO₂ to methane by water under visible light irradiation. RSC Advances, 3, 4505-4509.