Educational Qualifications

2020                    
Ph.D., Civil and Environmental Engineering, National University of Singapore, Singapore

2015                    
BSc., Pharmacy, Shanghai Jiao Tong University, China

Academic and Professional Experience

2024 - Present      
Lecturer, Business Programme, School of Business, SUSS, Singapore

2023 - 2024          
Senior Engineer/ Sustainability Partner, Singapore Environment Council, Singapore

2021 - 2023          
Co-founder, Reacto.Pte.Ltd, Singapore

2020 - 2022          
Research Fellow, National University of Singapore, Singapore

2016 - 2020          
Research Assistant, National University of Singapore, Singapore

Selected Publications

  • Zhang, N., Xu, J., Tang, T., Yuan, M., & Hwang, B. G. (2025). Agent-based modeling of residential photovoltaic adoption and diffusion: Implications for energy policy design. Utilities Policy, 95, 101960. SCImago: Q1
  • Xu, J., Olvera-Vargas, H., Ou, G. H. X., Randriamahazaka, H., & Lefebvre, O. (2023). Hybrid TiO2/Carbon quantum dots heterojunction photoanodes for solar photoelectrocatalytic wastewater treatment. Chemosphere, 341, 140077. SCImago: Q1
  • Olvera-Vargas, H., Wang, Z., Xu, J., Lefebvre, O. (2022). Synergistic degradation of GenX (hexafluoropropylene oxide dimer acid) by pairing graphene-coated Ni-foam and boron doped diamond electrodes. Chemical Engineering Journal, 430, 132686. SCImago: Q1
  • Xu, J., Olvera-Vargas, H., Teo, F. Y. H., Lefebvre, O. (2021). A comparison of visible-light photocatalysts for solar photoelectrocatalysis coupled to solar photoelectro-Fenton: Application to the degradation of the pesticide simazine. Chemosphere, 276, 130138. SCImago: Q1
  • Xu, J., Olvera-Vargas, H., Loh, B. J. H., & Lefebvre, O. (2020). FTO-TiO2 Photoelectrocatalytic Degradation of Triphenyltin Chloride Coupled to Photoelectro-Fenton: a mechanistic study. Applied Catalysis B: Environmental, 118923. SCImago: Q1

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