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​​​Journal Publication​​​​

  1. P.M. Gawal, A.K. Golder, Novel ternary Z-scheme nanocomposite: Biomass-derived carbon dots decorated on g-C3N4(T) -g-C3N4(U) heterostructures for the photocatalytic CO2 reduction to CO and H2, Int. J. Hydrogen Energy. 199 (2026) 152856. https://doi.org/10.1016/j.ijhydene.2025.152856

  2. P.M. Gawal, A.K. Golder, Green Synthesis of Z-scheme SnO2/CdS heterostructures: DFT Calculation and Photocatalytic CO2 Reduction to Methanol and Hydrogen, Langmuir (2026). https://doi.org/10.1021/acs.langmuir.5c05827

  3. P.M. Gawal, A.K. Golder, Plant-Derived Phytochemicals for the Synthesis of p–n Junction CuO/CdS Heterostructures for Photocatalytic Carbon Dioxide Reduction to Ethanol and Carbon Monoxide, ACS Appl. Energy Mater. 8 (2025) 6087–6099. https://doi.org/10.1021/acsaem.5c00497

  4. P.M. Gawal, J. Ishrat, K. Bhattacharyya, A.K. Golder, Experimental and Theoretical Studies on Photocatalytic CO2 Reduction to HCOOH by Biomass-Derived Carbon Dots Embedded Phytochemical-Based CdS Quantum Dots, Langmuir. 41 (2025) 11161–11172. https://doi.org/10.1021/acs.langmuir.5c01002

  5. P.M. Gawal, A.K. Golder, Plant-Based Phytochemicals for Synthesis of Z-Scheme In2O3/CdS Heterostructures: DFT Analysis and Photocatalytic CO2 Reduction to HCOOH and CO, Langmuir. 40 (2024) 13538–13549. https://doi.org/10.1021/acs.langmuir.4c01015

  6. P.M. Gawal, A.K. Golder, Vegetal route for synthesis of CQDs/CdS nanocomposites for photocatalytic reduction of CO2 to methanol under visible light, Colloids Surfaces A Physicochem. Eng. Asp. 683 (2024) 133068. https://doi.org/10.1016/j.colsurfa.2023.133068

  7. S.M. Chaudhari, P.M. Gawal, P.K. Sane, S.M. Sontakke, P.R. Nemade, Solar light-assisted photocatalytic degradation of methylene blue with Mo/TiO2: a comparison with Cr- and Ni-doped TiO2, Res. Chem. Intermed. 44 (2018) 3115–3134. https://doi.org/10.1007/s11164-018-3296-1

  8. P.M. Gawal, S. Subudhi, Advances and challenges in bio-based 2,3-BD downstream purification: A comprehensive review, Bioresour. Technol. Reports. 24 (2023) 101638. https://doi.org/10.1016/j.biteb.2023.101638

  9. P.M. Gawal, D. Mudgil, S. Subudhi, Hybrid extraction distillation for downstream purification of 2, 3-butanediol, and ethanol from fermentation broth, Bioresour. Technol. Reports. 24 (2023) 101649. https://doi.org/10.1016/j.biteb.2023.101649

  10. P.M. Gawal, Cost-effective 2,3-BD separation: insights from aqueous two-phase extraction-assisted distillation, Biomass Convers. Biorefinery. 15 (2025) 6757–6765. https://doi.org/10.1007/s13399-024-05392-w

  11. P.M. Gawal, S. Lataye, Enhanced 2,3-butanediol recovery from fermentation broth: a study on isobutanol/sodium chloride aqueous two-phase systems, Biotechnol. Bioprocess Eng. 30 (2025) 562–572. https://doi.org/10.1007/s12257-025-00186-x

  12. P.M. Gawal, S. Lataye, Integrated Aqueous Two-Phase Extraction–Distillation Strategy for Efficient 2,3-Butanediol Recovery from Fermentation Broth, ACS Sustain. Resour. Manag. 2 (2025) 2206–2213. https://doi.org/10.1021/acssusresmgt.5c00325

  13. P.M. Gawal, S. Lataye, Next Sustainability Integrated salt – alcohol aqueous two-phase extraction and distillation for enhanced recovery of 2,3-butanediol from fermentation broth, Next Sustain. 8 (2026) 100439. https://doi.org/10.1016/j.nxsust.2026.100439

  14. H.K. Nayak, P.M. Gawal, PdSn Bimetallic Catalysts Prepared by Electroless Deposition for Enhanced n-Butane Dehydrogenation to Butenes, Catal. Letters 156 (2026) 232. https://doi.org/10.1007/s10562-026-05480-8

  15. P.M. Gawal, Downstream Purification of 2,3-Butanediol from Fermentation Broth using a 1-butanol/NaCl system, Indian J. Nat. Sci. (2023) 62925–62932. https://doi.org/https://doi.org/10.13140/RG.2.2.26758.38728/1​

 

Book Chapters

  1. P.M. Gawal, A.K. Golder, Carbon Quantum Dots for Photocatalytic Application: A Mini Review, in: Curr. Prog. Eng. Sci., Springer Nature Singapore, Singapore, 2025: pp. 595–610. https://doi.org/10.1007/978-981-96-8753-4_39

  2. P.M. Gawal, A.K. Golder, Nature-Based Synthesis and Characterization of CdS from Aegle Marmelos Leave Extract for Efficient Visible-Light-Driven Methylene Blue Degradation, in: Curr. Prog. Eng. Sci., Springer Nature Singapore, Singapore, 2025: pp. 611–618. https://doi.org/10.1007/978-981-96-8753-4_40

  3. P.M. Gawal, A.K. Golder, Bioinspired synthesis of SnO2 from Aegle marmelos leave extract for photocatalytic degradation of methylene blue, in: Adv. Chem. Mater. Innov. Manuf., Springer Nature Singapore, Singapore, 2026. https://doi.org/10.1007/978-981-92-4147-7_5​​​

 

Submitted/Under-Review Manuscripts

  1. P.M. Gawal, P. Bania, B. Mandal, A.K. Golder, Facile Synthesis of GO/UiO-66/TiO2 Ternary Composite for Visible-Light-Driven Hydrogen Generation via Water Splitting (2026) (Under review)

  2. P.M. Gawal, A.K. Golder, H. Yang, Mechanistic insights and design strategies of carbon quantum dot-based composite photocatalysts for CO2 reduction to solar fuels (Under review)

  3. P.M. Gawal, H. Yang, Facet-engineered Cu2O electrocatalysts for CO2 reduction: dynamic reconstruction, Cu+/Cu0 interfaces, and product selectivity (2026) (Under review)

  4. S. Chahar, P. M. Gawal, S. Pandiana, B. Lal, Temperature- and Time-Dependent Rheological Behavior of Guar Gum/Graphene Oxide Gelling Systems for Water-Based Drilling Fluid Applications (Submitted)

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Manuscripts in Preparation

  1. P.M. Gawal, H. Yang, Facile synthesis of facet-controlled o-Cu2O(111)/c-Cu2O(100) heterostructure for photoelectrocatalytic CO2 reduction over  wide potential window (2026) (Under preparation)

  2. P.M. Gawal, S. Lataye, Recent Advances in Integrated Downstream Processing of Bio-Based Succinic Acid from Fermentation Broths: Technologies, Challenges, and Future Perspectives (Under preparation)

Preprints

  1. P.M. Gawal, Aqueous Two-Phase Extraction-Assisted Distillation for Cost-Effective 2,3-Butanediol Purification, Authorea Prepr. (2024). https://doi.org/10.22541/au.171126706.60317729/v1

  2. P.M. Gawal, S. Lataye, Hybrid Aqueous Two-Phase Extraction and Distillation for Efficient and Sustainable Recovery of 2,3-Butanediol from Fermentation Broth, Available SSRN 5333390. (2025). https://doi.org/10.2139/ssrn.5333390

  3. P.M. Gawal, S. Lataye, Enhanced 2,3-Butanediol Purification Using a Hybrid Extraction Process, Research Sq. (2026). https://doi.org/10.21203/rs.3.rs-8416826/v1

  4. P.M. Gawal, S. Lataye, Process Intensification for 2,3-Butanediol Separation: Optimization and Scale-Up of an Aqueous Two-Phase Extraction-Distillation System, Available SSRN 6075349. (2026). https://doi.org/10.2139/ssrn.6075349

  5. H.K. Nayak, P.M. Gawal, PdSn Bimetallic Catalysts Prepared by Electroless Deposition for Enhanced n-Butane Dehydrogenation to Butenes, Res. Sq. (2026). https://doi.org/10.21203/rs.3.rs-10362631/v1

 

Academic Work (Thesis/Report)​

  1. P.M. Gawal, Advanced Oxidation Processed for Degradation of Dye Effluents. Institute of Chemical Technology, Mumbai, 1–69 (2017). https://doi.org/10.13140/RG.2.2.25327.24489

  2. P.M. Gawal, Visible photocatalytic study using modified TiO2 nanotube. Institute of Chemical Technology, Mumbai, 1–25 (2016). https://doi.org/10.13140/RG.2.2.27004.96648

  3. P.M. Gawal, Vanadium-Based Catalysts: From Design to Application in Oxidation Catalysis. Institute of Chemical Technology, Mumbai,1-26 (2015). https://doi.org/10.13140/RG.2.2.20464.47360

  4. P.M. Gawal, Advancement in High-Temperature Plastics: Properties and Application (2014). https://doi.org/10.13140/RG.2.2.36612.54405

  5. P.M. Gawal, Simulation of multicomponent distillation with reference to a case study of the quaternary system. LIT Nagpur (2014). https://doi.org/10.13140/RG.2.2.28038.79685

 

Presentation(Oral/Poster)​

  1. P.M. Gawal, and A.K. Golder “Green Synthesis of Z-scheme SnO2/CdS Heterostructure for Photocatalytic CO2 Reduction to Methanol and Hydrogen” Symposium on Process Safety, Energy, and Environment (PSEE 2026), IIT Guwahati, Feb 27, 2026 (Best poster presentation)

  2. P.M. Gawal, and A.K. Golder  “Green Synthesis of Z-scheme SnO2/CdS Heterostructure for Photocatalytic CO2 Reduction to Methanol and Hydrogen” Research and Industrial Conclave (RIC-2025), IIT Guwahati, October 10-12, 2025 (Oral presentation)

  3. P.M. Gawal, and A.K. Golder  “Development of Bioinspired Nanostructured Materials for Photocatalytic CO2 Reduction to Value-added Chemicals” Research and Industrial Conclave (RIC-2025), IIT Guwahati, October 10-12, 2025 (Oral presentation)

  4. P.M. Gawal, and A.K. Golder  “Carbon Dioxide Conversion Processes for Value-added Chemicals” Research and Industrial Conclave (RIC-2025), IIT Guwahati, October 10-12, 2025 (Poster presentation)

  5. P.M. Gawal, and A.K. Golder  “Green Synthesis of Z-scheme SnO2/CdS Heterostructure for Photocatalytic CO2 Reduction to Methanol and Hydrogen” 8th International Conferences On CSR & Sustainable Development, Ho Chi Minh City, Vietnam, June 16-17,2025 (Oral presentation)

  6. P.M. Gawal, and A.K. Golder  “Green Synthesis of Z-scheme SnO2/CdS Heterostructure for Photocatalytic CO2 Reduction to Methanol and Hydrogen” Symposium on Ending Plastic Pollution, Center for the Environment, IIT Guwahati, June 5, 2025 (Poster presentation) https://doi.org/10.13140/RG.2.2.27756.48007

  7. P.M. Gawal, and A.K. Golder “Plant-based Phytochemicals for the Synthesis of p-n Junction CuO/CdS Heterostructures for Photocatalytic CO₂ Reduction to Ethanol and Carbon Monoxide” International Conference on Environmental Challenges, Opportunities, and Sustainable Solution, IIT Guwahati, Dec 9-11,2024 (Oral presentation)

  8. P.M. Gawal, and A.K. Golder “Synthesis of Sulfur-vacancy-rich Carbon Dots/CdS Quantum Dots Composites for Enhanced Photocatalytic CO2 Reduction to Formic Acid” Research and Industrial Conclave (RIC-2024), IIT Guwahati, August 9-11,2024 (Oral presentation)

  9. P.M. Gawal, and A.K. Golder “Carbon Quantum Dots-based Composites for Photocatalytic CO2 Reduction: A Comprehensive Review of Recent Progress and Future Prospects” Research and Industrial Conclave (RIC-2024), IIT Guwahati, August 9-11,2024 (Oral presentation)

  10. PP.M. Gawal, and A.K. Golder” Green Synthesis of CDs Decorated CdS QDs with Rich Sulfur Vacancies for Photocatalytic CO2 Reduction to HCOOH” Symposium on Environmental Challenges, Opportunities, and Sustainable Solution, Center for the Environment, IIT Guwahati, June 5, 2024 (Poster presentation) https://doi.org/10.13140/RG.2.2.14510.93760

  11. P.M. Gawal, and A.K. Golder “Phytochemicals-based Synthesis of Z-scheme In2O3/CdS Heterostructure: DFT Calculations and Photocatalytic CO2 Reduction to Fuels” 8th Green and Sustainable Chemistry Conference (GREN2024), Elsevier and Leuphana University of Lüneburg, Dresden, Germany, May 13-15, 2024 (Best poster presentation) https://doi.org/10.13140/RG.2.2.17107.80165

  12. P.M. Gawal and H. Nayak “Enhancing Butane Dehydrogenation with PdSn-Based Bimetallic Catalysts: Impact of Support Materials and Characterization” International Conference on Recent Advanced in Waste Minimization &Utilization (RAWMU), Lovely Professional University, Panjab, April 23-24, 2024 (Oral presentation)

  13. P.M. Gawal “Aqueous Two-phase Extraction-assisted Distillation for Recovery of 2,3-Butanediol from Fermentation Broth” International Conference on Recent Advanced in Waste Minimization &Utilization(RAWMU), Lovely Professional University Panjab, April 23-24, 2024 (Best oral presentation)

  14. P.M. Gawal, and A.K. Golder “Plant-based Phytochemicals for Synthesis of Z-scheme In2O3/CdS Heterostructure for Photocatalytic CO2 Reduction to Fuels”  International Conference on  Advanced Nanomaterials & Nanotechnology (ICANN), IIT Guwahati, Nov 29- Dec 1, 2023 (Oral & Poster presentation)(Best oral presentation) https://doi.org/10.13140/RG.2.2.15026.62400 

  15. P.M. Gawal, and A.K. Golderr “Plant-based Phytochemicals for Synthesis of Z-scheme In2O3/CdS Heterostructure for Photocatalytic CO2 Reduction to Fuels”  International Conference on Petroleum, Hydrogen, & Decarbonization (ICPHD), IIT Guwahati, Nov 3-5.,2023 (Oral presentation)

  16. P.M. Gawal  “Hybrid extraction distillation for downstream purification of 2, 3-butanediol, and ethanol from fermentation broth” International Conference on Academic & Industrial Innovations in Engineering(ICAIIE), PP Savani University Surat, August 12-13,2023 (Best oral presentation)

  17. P.M. Gawal, and A.K. Golder “Tunable Bioinspired CdS/CQDs Nanocomposites for Photocatalytic Reduction of CO2 to Value-added Chemical" International Chemical Engineering Conference (IChEC), IIT Patna, November 12-13, 2022 (Oral presentation)

  18. P.M. Gawal, and A.K. Golder “Photocatalytic Reduction of CO2 to Value-added Chemicals Catalyzed by CdS/ CQDs Nanocomposites." North-East Research Conclave (NERC), IIT Guwahati, INDIA, May 20-22,2022 (Poster presentation) https://doi.org/10.13140/RG.2.2.28448.39684

  19. P.M. Gawal and P.R. Nemade "Degradation of methylene blue dye by using Mo-doped TiO2" 7th Asia-Pacific Congress on Catalysis (APCAT-7), Mumbai, INDIA, January 17-21, 2017 (Poster presentation). https://doi.org/10.13140/RG.2.2.21737.51046

 

Workshop

  1. Participate in the DST-SERB-sponsored One-day workshop titled “Fuel Cell Technology: Advancement & Applications” organized by the Department of Chemical Engineering, IIT Guwahati, on 17 March 2025

  2. Participate in  the 1st Hands-on-Training on Density Functional Theory Modelling of Advanced Materials (DFT-Advanced) organized by the Centre for Advanced Computational Research, Delhi, from 10th June – 19th June 2024

  3. Participate in the Next-Generation Atomistic Modelling and Simulation with AMS Software workshop organized by Nyro Research India Pvt Ltd, Sep 25 –Oct 4, 2023.

  4. Participate in the 1st workshop on Density Functional Theory Modeling of Materials (DFT-M) organized by the Center for Advanced Computational Studies, Delhi, Sep 7-13, 2023.

  5. Participate in the workshop on Scientific Writing using LaTeX, organized by the Student Academic Board, IIT Guwahati, Sept 9-10, 2023.

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