Publications & Patent

1. Kumar S, Gyawali S, Bui H T., Kumar R, Tan S, Sun S, Goswami Y, Wang B, Bristow AD, Andiappan M. "Hybrid Mie Resonator Photocatalysts as a Platform for Solar Chemicals: Quantification of Light-Induced Electronic Effect Versus Heating Effect". ACS Applied Materials & Interfaces. 2026 https://doi.org/10.1021/acsami.6c02803

2.  Pereira G, Kumar S, Vu T, Goswami Y, Andiappan M, “Photothermal Suzuki Coupling Reaction Enabled by Copper Oxide-Based Mie Resonator Nanostructures to Produce Solar Chemicals”. Solar Energy Journal. 2026

3. Kumar S, Tirumala, R.A., Gyawali S, Le T, Tan S, Goswami D.Y., Wang B, Bristow AD, Andiappan M. "Plasmonic versus Dielectric Mie Resonance Mediated Photocatalytic Reverse Water-Gas Shift Reaction on Copper-Based Nanocubes". ACS Nano. 2025, https://doi.org/10.1021/acsnano.5c07063 

4. Kumar S, Goswami D.Y., Andiappan M. "Photocatalytic C–C Coupling Reactions of Terminal Alkynes using Cupric Oxide-Based Mie Resonator Photocatalysts". (Full Patent application # 63/782,173 filed on April 3rd, 2026). 

5. Tirumala, R.A., Gyawali S, Le T, Kumar S, Le T, Tan S, Wang B, Bristow AD, Andiappan M. "Visible Light-Driven Photocatalytic Carbon-Carbon Coupling Reaction under Atmospheric Temperature and Pressure Conditions using Hybrid Cu2O-Pd Nanostructures". ACS Applied Materials & Interfaces. 2025, https://pubs.acs.org/doi/10.1021/acsami.5c01996

1. Kumar S, Goswami D. Y., Andiappan M., “Photocatalytic C-C Coupling Reaction of Terminal Alkynes using Copper-Based Photocatalyst”; Oral presentation at the 2025 AIChE Annual Meeting in Boston, MA.

2. Kumar S, Andiappan M. “Photocatalytic Reverse Water-Gas Shift Reaction Using Copper-Based Nanostructures” Oral Presentation: 29th North American Catalysis Society Meeting, Atlanta, GA, June 2025. 

3. Kumar S, Tirumala, R.A., Andiappan M. “Mechanistic Investigations of Catalytic Phase Transformations in Copper-Based Nanostructures during Reverse Water Gas Shift Reactions”, Oral Presentation: AIChE Annual Meeting, San Diego, CA, October 2024.

4. Tirumala, R.A., Kumar S, Andiappan M. “Ambient Photocatalysis: CC Coupling of Terminal Alkynes with Hybrid Cu2O-Pd Nanostructures”, Poster Presentation: AIChE Annual Meeting, San Diego, CA, October 2024. 

B.Tech. 2019, Chemical Engineering
University of Petroleum and Energy Studies, Dehradun, India

M.Tech. 2023, Chemical Engineering
Indian Institute of Technology (BHU), Varanasi, India

Research Assistant, Chemical Engineering, 2023

Indian Institute of Technology, Roorkee, India

Graduate Research Assistant, Chemical Engineering, 2024 

Oklahoma State University, Stillwater, OK, USA.

2026 Outstanding Research Progress Award from ChBME, USF

2026 Outstanding Journal Article Award from ChBME, USF

Best Poster Presentation Award for Intro to Research Poster Presentation at Oklahoma State University – 2024.

IIT (BHU)’s Gold Medal for Distinguished Performance – 2023