Biography

Dr. Khozema Ahmed Ali is a Senior Lecturer at the School of Industrial Technology, USM, specializing in catalysis, nanotechnology, CO₂ conversion, and environmental process engineering. He holds a B.Eng. (First Class Honours, 2010) and a Ph.D. (2017) in Chemical Engineering from USM, and leads projects that translate advanced materials research into practical environmental solutions for water and air quality as well as carbon mitigation.

His group designs visible-light-active photocatalysts and graphene-based heterostructures for pollutant degradation and solar-driven CO₂ utilization, with outputs supported by national and international grants. He also contributes to academic leadership through OBE & Accreditation and program coordination roles, emphasizing mentorship, research ethics, and interdisciplinary collaboration.

Research Profiles

• Google Scholar: vQi0wx4AAAAJ
• Scopus Author ID: 36724582500
• ORCID: 0000-0003-0497-0269
• Researcher ID: GYV-1363-2022

Student Theses

PhD

• Siti Khatijah binti Jamaludin — Development of novel graphene-spinel ferrites Z-scheme heterojunction nanocomposite for the photocatalytic remediation of pollutants (2021–present) — Main Supervisor
• Lin Lin — Degradation of Pravastatin by Gd³⁺/Cu²⁺/g-C₃N₄ Composite Photocatalyst (2022–present) — Main Supervisor
• Bashaer M. Namoos — Degradation of Phenol in Wastewater by ZnO/GeB under visible light (2018–present) — Co-supervisor
• Tharani Kulandaivalu — CO₂ conversion by Photocatalytic Dry Reforming with CH₄ for the formation of syngas (2019–2023) — Co-supervisor, graduated
• Rabiatul Aliah binti Mahmud — Photoconversion of CO₂ using heteroatom-doped Graphene Oxide (GO) with 2D ZnO under UV-visible light irradiation (2020–2025) — Co-supervisor, graduated
• Muhammad Afiq Bin Sam Shol — Graphitic Carbon Nitride Based Photocatalyst for CO₂ Photoreduction (2021–present) — Co-supervisor
• Husain Saddam — GO/ZnO/Polymers Nanocomposites and Photocatalytic Degradation (2022–present) — Co-supervisor
• Nurabiyiah Binti Mohamad — Lu-doped ZnO with Ti₃C₂ co-catalyst in photoreduction of CO₂ to CH₄: theoretical & experimental (2022–present) — Co-supervisor

Master

• Yang Feng Jin — Improved Fenton-like process for 1,4-dioxane removal from wastewater (2022–present) — MSc, Main Supervisor
• Anis Natasha binti Shafawi — Bi₂O₃/g-C₃N₄ for Reactive Black 5 under UV-Visible light (2018–2020) — MSc, Co-supervisor, graduated
• Rabiatul Aliah binti Mahmud — Functionalized graphene with ZnO (F-GNP/ZnO) for methylene blue under UV-Visible (2018–2020) — MSc, Co-supervisor, graduated
• Husn Ara Chauhan — GO–ZnO nanocomposite for phenanthrene degradation (2020–2022) — MSc, Co-supervisor, graduated
• Adi Gunawan — Ce-doped TiO₂ for methylene blue under UV-Visible (2019–2020) — MSc Coursework, graduated
• Chua Chong Chai — TiO₂ P25 with persulfates for textile wastewater decolorization (2019–2020) — MSc Coursework, graduated
• Lin Lin — Fe³⁺-doped nano-TiO₂ & persulfate mechanism in methyl orange degradation (2021–2022) — MSc Coursework, graduated
• Li Sulei — Fe-doped ZnO and photocatalytic degradation of methylene blue (2022–2023) — MSc Coursework, graduated
• Wee Hung Yee — Field vs predicted maize yield (Kuching, multi-source data) (2022–2023) — MSc Coursework, graduated
• Tharsini — V₂O₅/pg-C₃N₄ composite for methylene blue under visible light (2023–2024) — MSc Coursework, graduated
• Zhang ZhiTong — LaCoO/g-C₃N₄ activated K₂S₂O₈ for tetracycline degradation (2023–2024) — MSc Coursework, graduated
• Zhang Bokun — Ni-doped ZnO nanoparticles & methylene blue (2024–2025) — MSc Coursework, graduated
• Zhou XiaoYu — GO-doped ZnO for methylene blue (2024–2025) — MSc Coursework, graduated
• Guo NianQi — MoS₂/ZIS core-shell catalyst for tetracycline HCl degradation (2025–present) — MSc Coursework

Undergraduate

• Oon Ai Way — Temporal disaggregation of BVOC concentrations on TI hill (2018–2019) — graduated
• Siti Aishah Binti Mohamed Yusoff — g-C₃N₄/Bi₂O₃ for methylene blue under UV-visible (2018–2019) — graduated
• You Vai Jing — COD & ammonia-N removal from leachate using modified watermelon rind adsorbent (2018–2019)
• Koh Josing — La-doped TiO₂ for methylene blue under UV-Visible (2020–2021) — graduated
• Mohamad Hafiz bin Mohd Zaini — Graphene/ZnO composite for methylene blue under visible light (2020–2021) — graduated
• Nurul Izwanni Fazlinda Binti Wahid — Bi₂O₃/g-C₃N₄ under UV-Visible light (2020–2021) — graduated
• Lee See Min — Removal of contaminants in domestic wastewater (2021–2022) — graduated
• Muhammad Norfitri bin Abdul Ghani — Waste cooking oil as raw material for waste management: a review (2021–2022) — graduated
• Puteri Fariha Sakinah Bt Megat Ahmad Fuad — TiO₂ coating for self-cleaning building materials (2021–2022) — graduated
• Lim Sze Hong — Zn/TiO₂ & C/TiO₂ nanoparticles for methylene blue via wet impregnation (2022–2023) — graduated
• Nur Zulaikha Binti Mohd Raffie — Methyl Orange degradation using B-doped TiO₂ (2022–2023) — graduated
• Lim Hui Ping — Ergonomic risk in furniture handling using IMU motion capture (2023–2024) — graduated
• Nur Fatihah Binti Mohd Rizal — TiO₂ sensitized with Padan leaf extract for methylene blue (2023–2024) — graduated
• Muhammad Akmal Faiz Bin Suhami — Cu-enhanced TiO₂ for methylene blue under UV-Visible (2023–2024) — graduated
• Valli A/P Ganesan — Malachite Green degradation via TiO₂ sensitized with Moringa oleifera (2024–2025) — graduated
• Khairi Dhea Kamal — N-doped TiO₂ for methylene blue under UV-Visible (2024–2025) — graduated
• Amy Grace Olivia Jinod — Effect of irradiation on Fe/TiO₂ nanoparticles (2024–2025) — graduated
• Teoh Zhi Jian — Reactive Black 5 degradation using P-doped g-C₃N₄ under UV-Visible (2025–present)
• Ong Hong Zheng — g-C₃N₄ doped with Fe for Congo Red under visible light (2025–present)
• Ainin Sofeia Binti Mahadi — Visible-light degradation of Methyl Orange using Cu-doped ZnO (2025–present)
• Adam Safwan Bin Rosli — Stabilization of ZnO photocatalysts with Fe doping for methylene blue (2025–present)

Research Areas

• Advanced photocatalysis for environmental remediation (TiO₂, ZnO, g-C₃N₄, graphene-based systems)
• CO₂ reduction and utilization for solar-fuel and value-added products
• Graphene and heterojunction materials design; charge-transfer mechanisms
• Wastewater treatment (dyes, pharmaceuticals, organics) using visible-light catalysts
• Catalyst and reaction engineering for sustainable water and energy systems

Alignment with the UN Sustainable Development Goals (SDGs)

Contact

Dr. Khozema Ahmed Ali
School of Industrial Technology, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia

Email: khozema@usm.my
Office: +604 653 2235 | Mobile: +6013 410 3040