P. S.  Lunawat, Kumar, R., and Gupta, N. M., ?Structure sensitivity of nano-structured CdS/SBA-15 containing Au and PtCo-catalysts for the photocatalytic splitting of water?, Catalysis Letters, vol. 121, no. 3-4, pp. 226-233, 2008.

R.  Priya, Baiju, K. V., Shukla, S., Biju, S., Reddy, M. L. P., Patil, K. R., and Warrier, K. G. K., ?Enhanced solar-radiation induced photocatalytic activity of surface-modified nanocrystalline anatase-titania?, Catalysis Letters, vol. 128, no. 1-2, pp. 137-143, 2009.

T.  Shijitha, Baiju, K. V., Shukla, S., Patil, K., and Warrier, K. G. K., ?Novel electroless process for copper coating of flyash using titania/ultraviolet-radiation/metal catalyst-system?, Applied Surface Science, vol. 255, no. 13-14, pp. 6696-6704, 2009.

S.  Singh, Britto, V. D., Bharde, A. A., Sastry, M., Dhawan, A., and Prasad, B. L. V., ?Bacterial synthesis of phtocatalytically active and biocompatible TiO2 and ZnO nanoparticles?, International Journal of Green Nanotechnology: Physics and Chemistry, vol. 2, no. 2, pp. 80-99, 2010.

A.  Deshpande and Gupta, N. M., ?Critical role of particle size and interfacial properties in the visible light induced splitting of water over the nanocrystallites of supported cadmium sulphide?, International Journal of Hydrogen Energy, vol. 35, no. 8, pp. 3287-3296, 2010.

A. B.  Patil, Patil, K. R., and Pardeshi, S. K., ?Ecofriendly synthesis and solar photocatalytic activity of S-doped ZnO?, Journal of Hazardous Materials, vol. 183, no. 1-3, pp. 315-323, 2010.

R.  Akbarzadeh, Umbarkar, S. B., Sonawane, R. S., Takle, S., and Dongare, M. K., ?Vanadia-titania thin films for photocatalytic degradation of formaldehyde in sunlight?, Applied Catalysis A-General, vol. 374, no. 1-2, pp. 103-109, 2010.

A. B.  Patil, Patil, K. R., and Pardeshi, S. K., ?Enhancement of oxygen vacancies and solar photocatalytic activity of zinc oxide by incorporation of nonmetal?, Journal of Solid State Chemistry, vol. 184, no. 12, pp. 3273-3279, 2011.

T. C.  Jagadale, Kulkarni, M., Pravarthana, D., Ramadan, W., and Thakur, P., ?Photocatalytic degradation of Azo dyes using Au:TiO2, gamma-Fe2O3:TiO2 functional nanosystems?, Journal of Nanoscience and Nanotechnology, vol. 12, no. 2, pp. 928-936, 2012.

P. V.  Korake, Sridharkrishna, R., Hankare, P. P., and Garadkar, K. M., ?Photocatalytic degradation of phosphamidon using Ag-doped ZnO nanorods?, Toxicological and Environmental Chemistry, vol. 94, no. 6, pp. 1075-1085, 2012.

P.  Devaraji, Sathu, N. K., and Gopinath, C. S., ?Ambient oxidation of benzene to phenol by photocatalysis on Au/Ti0.98V0.02O2: role of holes?, ACS Catalysis, vol. 4, no. 9, pp. 2844-2853, 2014.

J.  Thote, Aiyappa, H. Barike, Deshpande, A., Diaz, D. Diaz, Kurungot, S., and Banerjee, R., ?Covalent organic framework-cadmium sulfide hybrid as a prototype photocatalyst for visible-light-driven hydrogen production?, Chemistry A-European Journal, vol. 20, no. 48, pp. 15961-15965, 2014.

G.  Mukherjee, ?Porous porphyrin organic polymer for visible light triggered hydrogen production?, Acta Crystallographica A?Foundation and Advances, vol. 70, p. C1145, 2014.

B.  Gupta, Melvin, A. A., Matthews, T., Dhara, S., Dash, S., and Tyagi, A. K., ?Facile gamma radiolytic methodology for TiO2-rGO synthesis: effect on photo-catalytic H-2 evolution?, International Journal of Hydrogen Energy, vol. 40, no. 17, pp. 5815-5823, 2015.

S.  Rajaambal, Sivaranjani, K., and Gopinath, C. S., ?Recent developments in solar H-2 generation from water splitting?, Journal of Chemical Sciences, vol. 127, no. 1, pp. 33-47, 2015.

R.  Shetty, Kothari, G., Tambe, A. S., Kulkarni, B. D., and Kamble, S. P., ?Photocatalytic degradation of ciprofloxacin center dot HCl using Aeroxide (R) P-25 TiO2 photocatalyst: comparative evaluation of solar and artificial radiation?, Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, vol. 55, no. 1, pp. 16-22, 2016.

B.  Gupta, Melvin, A. A., Matthews, T., Dash, S., and Tyagi, A. K., ?TiO2 modification by gold (Au) for photocatalytic hydrogen (H-2) production?, Renewable & Sustainable Energy Reviews, vol. 58, pp. 1366-1375, 2016.

L. K.  Preethi, Mathews, T., Nand, M., Jha, S. N., Chinnakonda, G. S., and Dash, S., ?Band alignment and charge transfer pathway in three phase anatase-rutile-brookite TiO2 nanotubes: an efficient photocatalyst for water splitting?, Applied Catalysis B-Environmental, vol. 128, pp. 9-19, 2017.

A.  Roy, Arbuj, S., Waghadkar, Y., Shinde, M., Umarji, G., Rane, S., Patil, K., Gosavi, S., and Chauhan, R., ?Concurrent synthesis of SnO/SnO2 nanocomposites and their enhanced photocatalytic activity?, Journal of Solid State Electrochemistry, vol. 21, no. 1, pp. 9-17, 2017.

B.  Gupta and Melvin, A. A., ?TiO2/RGO composites: Its achievement and factors involved in hydrogen production?, Renewable &sustainable energy reviews, vol. 76, pp. 1384-1392, 2017.

P.  Devaraji and Gopinath, C. S., ?Pt - g-C3N4 - (Au/TiO2): electronically integrated nanocomposite for solar hydrogen generation?, International Journal of Hydrogen Energy, vol. 43, no. 2, pp. 601-613, 2018.

S.  Shenoy, Jang, E., Park, T. Joo, Gopinath, C. S., and Sridharan, K., ?Cadmium sulfide nanostructures: influence of morphology on the photocatalytic degradation of erioglaucine and hydrogen generation?, Applied Surface Science, vol. 483, pp. 696-705, 2019.

R.  Bhosale, Jain, S., Vinod, C. Prabhakara, Kumar, S., and Ogale, S., ?Direct Z-scheme g-C3N4/FeWO4 nanocomposite for enhanced and selective photocatalytic CO2 reduction under visible light?, ACS Applied Materials & Interfaces, vol. 11, no. 6, pp. 6174-6183, 2019.

B.  Tudu, Nalajala, N., Reddy, K. P., Saikia, P., and Gopinath, C. S., ?Electronic integration and thin film aspects of Au-Pd/rGO/TiO2 for improved solar hydrogen generation?, ACS Applied Materials & Interfaces, vol. 11, no. 36, pp. 32869-32878, 2019.

H. Mary Joseph, Sugunan, S., Gurrala, L., Mohan, M. Krishna, and Gopi, S., ?New insights into surface functionalization and preparation methods of MWCNT based semiconductor photocatalysts?, Ceramics International, vol. 45, no. 12, pp. 14490-14499, 2019.

H.  Bajpai, Patra, K. Kumar, Ranjan, R., Nalajala, N., Reddy, K. Prabhakar, and Gopinath, C. S., ?Can half-a-monolayer of pt simulate activity like that of bulk pt? solar hydrogen activity demonstration with quasi-artificial leaf device?, ACS Applied Materials & Interfaces, vol. 12, no. 27, pp. 30420-30430, 2020.

A.  Sebastian, Nangia, A., and Prasad, M. Narasimha, ?Chapter 18 - Advances in agrochemical remediation using nanoparticles?, in Agrochemicals Detection, Treatment and Remediation, M. Narasimha Prasad, Ed. Butterworth-Heinemann, 2020, pp. 465-485.

B.  Tudu, Nalajala, N., Saikia, P., and Gopinath, C. S., ?Cu-Ni bimetal integrated TiO2 thin film for enhanced solar hydrogen generation?, Solar RRL, vol. 4, no. 5, p. 1900557, 2020.

R.  Garg, Mondal, S., Sahoo, L., Vinod, C. P., and Gautam, U. K., ?Nanocrystalline Ag3PO4 for sunlight- and ambient air-driven oxidation of amines: high photocatalytic efficiency and a facile catalyst regeneration strategy?, ACS Applied Materials & Interfaces, vol. 12, no. 26, pp. 29324-29334, 2020.

V.  Alman, Singh, K., Bhat, T., Sheikh, A., and Gokhale, S., ?Sunlight assisted improved photocatalytic degradation of rhodamine B using Pd-loaded g-C3N4/WO(3)nanocomposite?, Applied Physics A-Materials Science & Processing, vol. 126, no. 9, p. 724, 2020.

D. S.  Shinde, Bhange, P. D., Jha, R. K., and Bhange, D. S., ?TiO2 nanoparticles decorated on BiOCl flakes with enhanced visible light photocatalytic activity?, ChemistrySelect, vol. 5, no. 8, pp. 2618-2626, 2020.

N.  Nalajala, Salgaonkar, K. N., Chauhan, I., Mekala, S. Prasad, and Gopinath, C. S., ?Aqueous methanol to formaldehyde and hydrogen on Pd/TiO2 by photocatalysis in direct sunlight: structure dependent activity of nano-Pd and atomic Pt-coated counterparts?, ACS Applied Energy Materials, vol. 4, no. 11, pp. 13347-13360, 2021.

S. S.  Raut, Kamble, S. P., and Kulkarni, P. S., ?Improved photocatalytic efficiency of TiO2 by doping with tungsten and synthesizing in ionic liquid: precise kinetics-mechanism and effect of oxidizing agents?, Environmental Science and Pollution Research, vol. 28, no. 14, pp. 17532-17545, 2021.

A. H.  Bansode and Suryavanshi, G., ?Visible-light-induced controlled oxidation of N-substituted 1,2,3,4-tetrahydroisoquinolines for the synthesis of 3,4-dihydroisoquinolin-1(2h)-ones and isoquinolin-1(2H)-ones?, Advanced Synthesis & Catalysis, vol. 363, no. 5, pp. 1390-1400, 2021.

A.  Dubey, Mishra, A. Kumar, Negi, S. Singh, and Gopinath, C. S., ?Facile, sustainable and unassisted plain water oxidation on Au/Ce0.9Ti0.1O2 nanorods in direct sunlight?, Journal of Chemical Sciences, vol. 134, no. 2, p. 61, 2022.

P.  Babu, Dash, S. Ranjan, and Parida, K., ?Mechanistic insight the visible light driven hydrogen generation by plasmonic Au-Cu alloy mounted on TiO2 @B-doped g-C3N4 heterojunction photocatalyst?, Journal of Alloys and Compounds, vol. 909, p. 164754, 2022.

R.  Das, Sarkar, S., Kumar, R., Ramarao, S. D., Cherevotan, A., Jasil, M., Vinod, C. P., Singh, A. Kumar, and Peter, S. C., ?Noble-metal-free heterojunction photocatalyst for selective CO2 reduction to methane upon induced strain relaxation?, ACS Catalysis, vol. 12, no. 1, pp. 687-697, 2022.

S.  Rajendran, Mani, S. S., Nivedhitha, T. R., Asoka, A. Krishnan, Arun, P. S., Mathew, T., and Gopinath, C. S., ?Facile one-pot synthesis of Cu x O/TiO2 photocatalysts by regulating Cu oxidation state for efficient solar H2 production?, ACS Applied Energy Materials , vol. 7, no. 1, pp. 104-116, 2023.

K.  Das, Das, R., Riyaz, M., Parui, A., Bagchi, D., Singh, A. Kumar, Singh, A. Kumar, Vinod, C. P., and Peter, S. C., ?Intrinsic charge polarization in Bi19S27Cl3 nanorods promotes selective C-C coupling reaction during photoreduction of CO2 to ethanol?, Advanced Materials, vol. 35, no. 5, 2023.

A.  Klyushin, Ghosalya, M., Kokkonen, E., Eads, C., Jones, R., Nalajala, N., Gopinath, C. S., and Urpelainen, S., ?Photocatalytic setup for in situ and operando ambient-pressure X-ray photoelectron spectroscopy at MAX IV Laboratory?, Journal of Synchrotron Radiation, vol. 30, pp. 613-619, 2023.

K. N.  Salgaonkar, Kale, S. R., Nalajala, N., Mansuri, S., and Gopinath, C. S., ?Selective and generic photocatalytic oxidation of alcohol with Pd-TiO2 thin films: butanols to butanal/butanone with different morphologies of Pd and 0.5 theta(Pt)-Pd counterparts?, Chemistry-An Asian Journal, vol. 18, no. 6, 2023.

S.  Chakraborty, Das, R., Riyaz, M., Das, K., Singh, A. Kumar, Bagchi, D., Vinod, C. P., and Peter, S. C., ?Wurtzite CuGaS2 with an in-situ-formed CuO layer photocatalyzes CO2 conversion to ethylene with high selectivity?, Angewandte chemie-international edition, vol. 62, 2023.

N.  Kaushal, Sarraf, S., Basu, A. Kumar, Mishra, S., and Saha, A., ?Facile microwave synthesis of Zinc Ferrite@NCDs for photocatalytic degradation of fluoroquinolone antibiotics?, Materials Chemistry and Physics, vol. 314, 2024.

P.  Yadav, Kumar, S., Velankanni, N., Kuehne, T. D., Gosavi, S., Raghupathy, R. Kormath Ma, Bhosale, R., Held, G., Shelke, M., and Ogale, S., ?Photocatalytic CO2 reduction to syngas using nickel phosphide-loaded CdS under visible light irradiation?, Journal of Physics-Energy, vol. 6, no. 2, p. 025019, 2024.

I. Narayan Chakraborty, Jain, V., Roy, P., Kumar, P., Vinod, C. P., and Pillai, P. P., ?Photocatalytic regeneration of reactive cofactors with inP quantum dots for the continuous chemical synthesis?, ACS Catalysis, vol. 14, no. 9, pp. 6740-6748, 2024.

S.  Jayswal, Luwang, M. Niraj, and Moirangthem, R. S., ?Tuning the optical properties of Ln3+-doped-Y2O3@ZnO@Au core-shell heterostructures for visible-to-NIR photon harvesting?, Surfaces and Interfaces , vol. 44, 2024.

S.  Ghosh, Imboon, T., Layek, R., Salunke, G., Parihar, V. Singh, Khumphon, J., Webster, T. J., Sutar, S., Kityakarn, S., Issro, C., Khamboonrueang, D., and Thongmee, S., ?Catechin-capped silver-doped titanium dioxide nanoparticle enhanced photocatalytic toxic dye degradation?, Frontiers in Chemistry, vol. 13, p. 1576504, 2025.

K.  Das, Chakraborty, S., Kediya, S., Singh, A. Kumar, Das, R., Mondal, S., Riyaz, M., Goud, D., Dutta, N., Vinod, C. P., and Peter, S. C., ?Dopant and exfoliation induced simultaneous modification of charge density and C?C coupling sites for efficient CO2 photoreduction to ethylene?, Angewandte Chemie-International Edition, vol. 64, no. 28, p. e202423471, 2025.

S. S.  Mani, Rajendran, S., Saju, S., Babu, B. M., Mathew, T., and Gopinath, C. S., ?Mesoporous Fe2O3-TiO2 integrated with plasmonic Ag nanoparticles for enhanced solar H2 production?, Chemistry-An Asian Journal, vol. 20, no. 10, 2025.

P.  Ningthoukhongjam, Gopinath, C. S., and Nair, R. G., ?Multiphasic heterojunctions: a strategic approach to enhance the charge transfer dynamics of titania for superior solar photocatalytic hydrogen production?, International Journal of Hydrogen Energy, vol. 113, pp. 133-146, 2025.