2023     Photocatalysis in Clean Energy Production (Invited)

              31st International Conference on Photochemistry (ICP2023), 23-28 July 2023, Sapporo.

              Japan

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2023     Photocatalysis as Low-carbon Nanotechnology for Energy Application (Invited)

              21st International Nanotech Symposium & Exhibition, NANO Korea, 5-7 July 2023, 

              South Korea

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2023     Coupling Metal-organic Framework with Oxide Photocatalyst for Selective Photoredox (Invited)

              243rd ECS Meeting, 28 May - 2 June 2023, 

              (Symposium B07: Photocatalysts and Nanostructures  

              USA

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2023     Solar Fuels from Low-voltage Photoelectrochemical Systems (Invited)

              35th Topic Meeting of the International Society of Electrochemistry, 7-10 May 2023, Gold Coast.

              Australia

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2022     Photocatalysis for Hydrogen Production (Keynote)

              4th International Conference on Energy Storage Materials (4th ICEnSM  2022), 13-16 April 2023,

              Tsinghua Shenzhen International Graduate School, Shenzhen

              China

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2022     Crystal Engineering of Bismuth Vanadate for Enhanced Light-Driven Water Oxidation (Invited)

              242nd ECS Fall Meeting

              (Symp: “Photocatalysts, Photoelectrochemical Cells, and Solar Fuels”), 9-13 October 2022, Atlanta.

              USA

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2022     Solar Fuels and Photocatalysis (Keynote)

              3rd International Conference on Chemical Process and Product (ICCPPE) 2022, 4-5 October 2022, 

              Indonesia

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2022     Towards Sustainable Development Goals via Clean Energy (Invited)

              Guest Lecture Series on Sustainable Development Goals (GLS on SDGs), 19 May 2022, ITS.

              Indonesia

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2022     Solar Fuels via Catalytic Conversion (Invited)

              IUH-BCRU seminar series, 21 March 2022, Thammasat University

              Thailand

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2022     Green Hydrogen Production in Hong Kong (Invited)

              The Hong Kong Institute of Engineers (HKIE) Technical Webinar, 09 February 2022, Hong Kong

              Hong Kong

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2021     Solar Fuels from Photocatatalysis (Keynote)

              4th Energy Future Conference (EF4), 18-22 October 2021, Sydney

              Australia

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2021     Charge Transportation in Photoactive Semiconductors for Solar Fuels Generation (Award Lecture)

              Annual Meeting of the Japan Photochemistry Association (JPA), 14-16 September 2021, Niigata

              Japan      

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2021     Towards Urban Net Zero via Clean Energy (Invited)

              International Conference on Urban Net Zero Strategy in the Era of Climate Change, 20 Aug, PNU. 

              South Korea

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2021     Green Hydrogen Production via Artificial Photosynthesis (Invited)

              New Zealand-China Alliance for Green Energy & Environ. Res. (NZCA-GREEN) Symp, 12-13 Jul, Christchurch 

              New Zealand

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2021     Hydrogen Production Technology and Potential in Hong Kong (Invited)

              Hong Kong Government’s Carbon Neutrality Task Force, Hydrogen Economy Module, 10 June 2021. 

              Hong Kong SAR, China

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2021     Solar Hydrogen from Artificial Photosynthesis (Keynote)

              Hydrogen Utilization and Green Energy (HUGE) Workshop, 31st May 2021, Khalifa University 

              U. A. E.

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2021     Green Hydrogen R&D (Invited)

              Bilateral Energy Workshop Between Hong Kong, China and Singapore, EMSD, 11 May 2021 

              Hong Kong SAR, China

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2020     Sunlight-driven Water Splitting for Clean Hydrogen Production (Invited)

              Hydrogen Economy Conference (HEC), Business Environment Council (BEC), 23 November 2020 

              Hong Kong SAR, China

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2019     Manipulation of Charge Transport in Photoactive Oxide Semiconductors for Solar Fuels (Plenary)

              2nd Chinese Symposium on Photocatalytic Materials (CSPM-2), 8-11 Nov. 2019, Nanjing 

              China

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2019     Artificial Photosynthesis (2019 ASPIRE Prize)(Award Plenary)

              Asia-Pacific Economic Cooperation Science Prize for Innovation, Research and Education, 29 Aug, Puerto Varas. 

              Chile

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2019     Harvesting, Storing and Utilising Solar Energy through Nanoparticles (Keynote)

              International Symposium on Advanced Materials and Nanotechnology (iSAMN 2019), 19-20 Aug, Putra Jaya 

              Malaysia

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2019     Solar Hydrogen via Photoactive Semiconductor (Invited)

              10th International Conference on Materials for Adv. Technol. (ICMAT2019), 23-28 June 2019, Marina Bay Sands 

              Singapore

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2019     Sunlight-driven Water Splitting for Clean Hydrogen Production (Invited)

              International Conference on High-Performance Ceramics, 25-29 May 2019, Kunming 

              China

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2019     Stabilising Solar Hydrogen Production using Cuprous Oxide (Keynote)

              International Symposium on Solar Energy Materials, Konan University, 25-26 January 2019 

              Japan

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2018     Sunlight-driven Water Splitting for Clean Hydrogen Production (Invited)

              Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, 21 Sept. 2018 

              Hong Kong SAR, China

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2018     ​Solar Water Splitting using Bismuth-based Photocatalysts and Photoelectrodes (Invited)

              12th Int. Conf. on Ceramic Mater. & Composites for Energy and Environ. Applications (CMCEE), 22-27 July. 

              Singapore

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2018     Bismuth-based Ternary Oxide Thin Film for Solar Water Oxidation (Invited)

              233rd ECS Meeting, “Renewable Fuels via Artificial Photosynthesis or Heterocatalysis”, 13-17 May 2018, Seattle 

              USA

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2018     Harvesting, Storing and Utilising Solar Energy using Photoactive Semiconductor (Invited)

              3rd Symposium on Solar Energy Utilization using Compound Semiconductors, 26-28 March 2018, Kobe 

              Japan

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2018     Engineering Bismuth Vanadate Particles for Improved Photocatalytic and PEC Activities (Award Keynote)

              98th Chemical Society of Japan (CSJ) Meeting, Distinguish Lectureship Award, 20-23 March 2018, Tokyo 

              Japan

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2017     Harvesting, Storing and Utilising Solar Energy using Photoactive Semiconductor (Invited)

              School of Energy and Environment, City University of Hong Kong, 23 October 2017,  

              Hong Kong SAR, China

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2017     Light-driven Water Splitting and Charge Storage (Invited)

              Catalyst and Catalysis Forum, 4-5 August 2017, Gold Coast 

              Australia

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2017     Visible Light Active Oxide Semiconductors for Solar Water Splitting (Invited)

              International Symposium on Energy Conversion and Storage Materials, 31 July–3 Aug. 2017, Brisbane  

              Australia

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2017     Particles in Solar Water Splitting (Keynote)

              The 7th Asian Particle Technology Conference, 30 July - 3 August 2017, Taoyuan  

              Taiwan

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2017     Bismuth-based Ternary Oxide for Photocatalytic and Photoelectrochemical Water Splitting (Invited)

              253th ACS National Meeting (ENFL Division), 2-6 April 2017, San Francisco  

              USA

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2016     Photoelectrochemical Water Splitting using Bismuth-based Ternary Oxide Semiconductor (Invited)

              Combined Australian Materials Societies (CAMS), 6-8 December 2016. Melbourne  

              Australia

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2016     Engineering Bismuth-based Thin Films for Photoelectrochemical Water Oxidation (Invited)

              PRIME Conference, 2-7 October 2016. Hawaii  

              USA

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2016     Engineering Bismuth Vanadate Nanostructures for Photocatalytic and PEC Water Splitting (Invited)

              252 ACS National Meeting (ENFL Division), 21-25 August 2016, Philadelphia  

              USA

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2016     Hydrogen generation induced by light (Invited)

              Int. Institute for Carbon-Neutral Energy Research (I2CNER) Symposium, 1-5 February 2016. Kyushu  

              Japan

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2015     Simultaneous Photocharging and PEC Water Splitting over Oxide Semiconductor Thin Films (Invited)

              SPIE, August 2015, San Diego  

              USA

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2015     Light-induced Photoelectrochemical Charging and Discharging in Metal Oxide Thin Film (Invited)

              249th ACS Spring Meeting, 22-26 March 2015, Denver 

              USA

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2014     Light-induced Charge Storage and the On-demand Release in Nanostructured Oxide Thin Films (Invited)

              247th ACS Meeting, Symp. “Advances in Photoelectrochemical Energy Conversion” (ENVR), 16-20 Mar, Dallas  

              USA

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2013     Carbon from Photocatalysis (Invited)

              Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, December 2013, Kuantan  

              Malaysia

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2013     Graphene in Water Splitting (Invited)

              Department of Applied Biology and Chemical Technology, the Hong Kong PolyU, 18 June 2013  

              Hong Kong SAR, China

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2013     Photocatalytically Anchored Bismuth Vanadate on Graphene Sheets for Water Splitting (Invited)

              245th ACS Spring Meeting, Symposium (ENFL Division), 7-13 April 2013, New Orleans  

              USA

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2013     Development of High-efficiency Photocatalysts and PEC Cells by Composite Structures (Award Keynote)

              Honda-Fujishima Prize Lecture, Annual Meeting of the Electrochem. Soc. Japan, 29-31 Mar, Tohoku University  

              Japan

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2013     Nanostructured Metal Oxide Photoelectrodes (Invited)

              Osaka University, 17 July 2012  

              Japan

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2013     Photocatalytically Anchored Bismuth Vanadate Particles on Graphene Oxide Sheets for Water Splitting (Invited)

              International Symposium on Photocatalysis, 19-20 July 2012, Kyoto University  

              Japan

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2013     Development of Photoanodes for Photoelectrochemical Cells and Water Splitting (Invited)

              School of Chemistry, UNSW, 8 March 2012, Sydney  

              Australia

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