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Prof. Sounak Roy 

Head & Professor
Department of Chemistry

Nanomaterials, Catalysis for alternate energy and environment, Solid-state inorganic chemistry
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India

Publications



Book Chapters

4. Nanostructured Materials Engineering and Characterization for Battery Applications
Chapter: Fully Green Batteries
S. Roy, K.Monika, Sounak Roy, C. Chakraborty, S. P. Datta, Elsevier (2024)
DOI:https://doi.org/10.1016/B978-0-323-91304-1.00005-8

3. Catalysis Series: Volume 45 Advances in Microwave-assisted Heterogeneous Catalysis
Chapter: Microwave Assisted Synthesis of Porous Materials 
Sounak Roy, A. Bhaskaran, P. C. Meenu, Royal Society of Chemistry (2023)
ISBN:
978-1-83916-817-8 (Hard Cover)
DOI:
https://doi.org/10.1039/BK9781837670277-00074

2. Nano-catalyst for Energy Applications
Chapter: Valorization Chemistry: A Compendium on Photoreduction of CO2 to Biofuels Over Nano TiO2
Sounak Roy, CRC Press, Taylor & Francis (2021)
ISBN: 978-0-36753-643-5
DOI:https://www.routledge.com/Nano-catalyst-for-Energy-Applications/Srivastava/p/book/9780367536435

1.
Sustainable Chemistry Series: Volume 5 Solution Combustion Synthesis of Nanostructured Solid Catalysts for Sustainable Chemistry
Chapter: Solution combustion synthesis related to photocatalytic reactions
Sounak Roy, S. Challagulla, World Scientific (2020)
ISBN: 978-1-78634-869-2 (Hard Cover)
DOI: https://www.worldscientific.com/doi/10.1142/9781786348708_0003https://doi.org/10.1142/q0257


Journals

2024:

94. Morphologically Tuned CuO-ZnO-CeO2 Catalyst for CO2 Hydrogenation to Methanol
S. Kanuri, S. A. Singh, A. N. Uttaravalli, Sounak Roy, S. Dinda, RSC Advances 14 (2024) 10024-10033.
DOI: https://doi.org/10.1039/D4RA01374C

93. The Role of Reducibility vis-à-vis Oxygen Vacancies of doped Co3O4/CeO2 in Oxygen Evolution Reaction
S. Roy, P. Dahiya, T. Mandal, Sounak Roy Dalton Transactions 53 (2024) 5484 - 5494. 
DOI: https://doi.org/10.1039/D4DT00315B

92. Discerning Toxic Nerve Gas Agents Via Distinguishable ‘Turn-On’ Fluorescence Response: Multi Stimuli Responsive Quinoline Derivatives in-Action
S. Mondal, B. Krishna, Sounak Roy, N. Dey Analyst Accepted (2024).
DOI: https://doi.org/10.1039/D4AN00072B

91. Microrod Networks CuO-ZnO-Al2O3 catalyst for Methanol Synthesis from CO2: synthesis, characterization, and performance demonstration  
Kanuri, S. Dinda, S. A. Singh, Sounak Roy, C. Chakraborty, S. P. Datta Materials Today Chemistry 36 (2024) 101959 - 101974. 
DOI: https://doi.org/10.1016/j.mtchem.2024.101959

90. Synthesis of Quinolines from 2-aminoaryl ketones: Probing the Lewis Acid Sites of Metal Organic Framework Catalyst
B. Krishna, Sounak Roy Journal of Chemical Sciences 136 (2024) Article: 17. 
DOI: https://doi.org/10.1007/s12039-024-02257-7

89.
High activity in dry reforming of methane by thermally switchable double perovskite and in-situ generated molecular level
nanocomposite
A. Hossain, M. Bhattacharjee, K. Ghorai, J. Llorca, M, Vasundhara, Sounak Roy, P. Bera, M Seikh, A. Gayen Physical Chemistry Chemical Physics 26 (2024) 5447 - 5465.
DOI: https://doi.org/10.1039/D3CP05494B

88.
One-pot synthesis of ligand-free highly active Pd catalyst supported on NiFe spinel oxide for Suzuki-Miyaura cross-coupling reaction
K. Goswami, D. Das, P. Bera, Sounak Roy, M Seikh, P. K. Sinha, A. Gayen Journal of Molecular Structure 1299 (2024) 137136 – 137149
DOI: https://doi.org/10.1016/j.molstruc.2023.137136

87. Electro-oxidation Reaction of Methanol over La2-xSrxNi1-y(Mn/Fe/Co)yO4+δ Ruddlesden-Popper oxides
P. C. Meenu, P. Samanta, S. Datta, S. Singh, S. Dinda, C. Chakraborty, Sounak Roy Inorganic Chemistry 63 (2024) 526-536.
DOI: https://doi.org/10.1021/acs.inorgchem.3c03429


2023:

86. Experimental Demonstration of CeO2 Based Tunable Gated Memristor for RRAM Applications
S. Saha, S. Pal, Sounak Roy, P. Sahatiya, S. S. Dan ACS Applied Electronic Materials 5 (2023) 6392–6400.
DOI: https://doi.org/10.1021/acsaelm.3c01269

85. Unveiling the Mechanistic Significance of Reducibility and Lattice Oxygen Evolution in Ce1-x-yZrxNiyO2-δ Catalyst for Methanol Electro-oxidation
P. C. Meenu, Sounak Roy ACS Applied Energy Materials, 6 (2023) 11212–11225.
DOI: https://doi.org/10.1021/acsaem.3c02101

84. Engineering Oxygen Vacancies in CeO2 for High-Performance UV-Vis Photodetector
S. Saha, C. J. Keerthi, Sounak Roy, P. Sahatiya, S. S. Dan, S. Pal IEEE Photonics Technology Letters 35 (2023) 1207 - 1210.
DOI: https://doi.org/10.1109/LPT.2023.3311869

83. Enriching Oxygen Vacancy in Co3O4 by Solution Combustion Synthesis: Interplay of Synthetic Strategy, Oxygen Vacancy, and High-Performance Supercapacitance
S. Halder, S. Roy, Sounak Roy, C. Chakraborty Journal of Physical Chemistry C 127 (2023) 18279-18290.
DOI: https://doi.org/10.1021/acs.jpcc.3c03407

82. CO2 Cycloaddition Reaction at Ambient Temperature and Pressure Over Metal-Organic Framework Catalysts
S Payra, Sounak Roy MRS Communications 13 (2023) 1309–1314.
DOI: https://doi.org/10.1557/s43579-023-00456-w

81. Efficient Synthesis of Quinolines from 2-aminoaryl ketones with α-Methylene Carbonyl Derivatives: Exploiting the Dual Acid Sites of Metal-Organic Framework Catalyst
B. Krishna, Sounak Roy ChemistrySelect 8 (2023) e202302011.
DOI: https://doi.org/10.1002/slct.202302011

80. Technological Solutions for NOx, SOx and VOC Abatement: Recent Breakthroughs and Future Directions
A. Bhaskaran, D. Sharma, Sounak Roy, S. A. Singh Environ Sci Pollut Res 30 (2023) 91501–91533.
DOI: https://doi.org/10.1007/s11356-023-28840-y

79. Zirconium Fumarate-based Sorbents for CO2 capture: Material preparation, characterization, and performance evaluation
P. Murge, R. Kinra, Sounak Roy, S. Dinda Bull. Mater. Sci. 46 (2023) 148.
DOI: https://doi.org/10.1007/s12034-023-02983-7

78. Augmentation of multi-stage Tesla valve design cold plate with reverse flow to enhance thermal management of pouch batteries  
K. Monika, U. V. V. Phani Vivek, C. Chakraborty, Sounak Roy, S. P. Datta International Journal of Heat and Mass Transfer 214 (2023) 124439 – 124455.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2023.124439

77. Rags to Riches: Meliorating the Electrocatalytic Reduction of Nitrate to Ammonia over Cu-based Nano-alloys
R. Rameshan, A. Tiwari, S. Kanungo, Sounak Roy Inorg.Chem. 62 (2023) 9934 – 9944.
DOI: https://doi.org/10.1021/acs.inorgchem.3c01074

76. Electro-oxidation Reaction of Methanol over Reducible Ce1-x-yNixSryO2-δ: A Mechanistic Probe of Participation of Lattice Oxygen  
P. C. Meenu, Sounak Roy ACS Appl. Mater. Interfaces 15 (2023) 36154 –36166.
DOI: https://doi.org/10.1021/acsami.3c05262

75. Methanol Synthesis from CO2 via Hydrogenation Route: Thermodynamics and Process Development with Techno-Economic Feasibility Analysis 
S. Kanuri, J. D. Vinodkumar, S. P. Datta, C. Chakraborty, Sounak Roy, S. A. Singh, S. Dinda Korean J. Chem. Eng. 40 (2023) 810 - 823.
DOI: https://doi.org/10.1007/s11814-022-1302-1


2022:

74. Probing the Surface Active Sites of Ce1-xNixO2-δ for Catalytic Reduction of NO
R. Rameshan, P. Pentyala, S. A. Singh, P. A. Deshpande, Sounak Roy Journal of Environmental Chemical Engineering 10 (2022) 108966 - 108979.
DOI: https://doi.org/10.1016/j.jece.2022.108966

73. One-step Production of Adipic acid from Cyclohexane over Stable Oxides (CeO2 & ZrO2) Using O2: Enhanced Oxidation Activity in Acidic Medium
S. Dandapat, J. L. Rao, P. R. Likhar, S. Payra, Sounak Roy, T. Baidya Catalysis Communications 172 (2022) 106555 - 106561.
DOI: https://doi.org/10.1016/j.catcom.2022.106555

72. Controlling C-C coupling in Electrocatalytic Reduction of CO2 over Cu1-xZnx/C
S. Payra, S. Kanungo, Sounak Roy Nanoscale 14 (2022) 13352-13361.
DOI: https://doi.org/10.1039/D2NR03634G

71. Cu-Al Oxide Nanocomposite-based External Filters for Gas Purification from Petrol Automobile Exhaust
A. Welwin, M. J. Hubli, P. B. Patil, R. Sangeetha, R. Pillai, Sounak Roy, S. S. Hegde, P. S. Hatti, I. C. Lekshmi Composites: Mechanics, Computations, Applications, An International Journal 13(3) (2022) 43–53.
DOI: http://dx.doi.org/10.1615/CompMechComputApplIntJ.2022043313

70. Unprecedented Electroreduction of CO2 over Metal-Organic Framework Derived Intermetallic Nano-alloy Cu0.85Ni0.15/C
S. Payra, N. Devaraj, K. Tarafder, Sounak Roy ACS Appl. Energy Mater. 5 (2022) 4945–4955.
DOI: https://doi.org/10.1021/acsaem.2c00330

69. The role of synthesis vis-à-vis oxygen vacancies of Co3O4 in oxygen evolution reaction
S. Roy, N. Devaraj, K. Tarafder, C. Chakraborty, Sounak Roy New J. Chem. 46 (2022) 6539 - 6548.
DOI: https://doi.org/10.1039/D2NJ00219A

68. The Photo and Electro-Catalytic Reduction of CO2 over Metal-Organic Frameworks and Derived Oxides: A correlation of reaction mechanism with electronic structure
S. Payra, S. Ray, R. Sharma, K. Tarafder, P. Mohanty, Sounak Roy Inorg. Chem. 61 (2022) 2476–2489.
DOI: https://doi.org/10.1021/acs.inorgchem.1c03317

67. Electro-oxidation Reaction of Methanol over La2-xSrxNiO4+δ Ruddlesden-Popper oxides  
P. C. Meenu, P. K. Samanta, T. Yoshida, N. J. English, S. P. Datta, S. A. Singh, S. Dinda, C. Chakraborty, Sounak Roy ACS Appl.Energy Mater. 5 (2022) 503 – 515.
DOI: https://doi.org/10.1021/acsaem.1c03027

66. Synthesis of Dihydropyrimidinones via Multicomponent Reaction Route Over Acid Functionalized Metal-Organic Framework Catalysts  
B. Krishna, S. Payra, Sounak Roy Journal of Colloid and Interface Science 607 (2022) 729–741.
DOI: https://doi.org/10.1016/j.jcis.2021.09.031

65. An insight of CO2 hydrogenation to methanol synthesis: Thermodynamics, catalysts, operating parameters, and reaction mechanism
S.Kanuri, Sounak Roy, C. Chakraborty, S. P. Datta, S. A. Singh, S. Dinda Int J Energy Res. 46 (2022) 5503-5522.
DOI: https://doi.org/10.1002/er.7562


2021:

64. Dual Site Cooperation for High Benzyl Alcohol Oxidation Activity of MnO2 in Bi-phasic MnOx-CeO2 Catalyst using O2 in Vapor Phase
T. Mazumder, S Dandapat, T. Baidya, P. R. Likhar, A. H. Clark, P. Bera, K. Tiwari, S. Payra, B. S. Rao, Sounak Roy, K. Biswas J. Phys.Chem.C 125 (2021) 20831−20844.
DOI: http://dx.doi.org/10.1021/acs.jpcc.1c04158

63. Electro catalyticoxidation reactions for harvesting alternative energy over non noble metal oxides: Are we a step closer to sustainable energy solution?
P. C. Meenu, S. Roy, C. Chakraborty, Sounak Roy Advanced Powder Technology 32 (2021) 2663–2689.
DOI: https://doi.org/10.1016/j.apt.2021.06.018

62. A compendium on Metal-Organic Framework Materials and their Derivatives as Electrocatalyst for Methanol Oxidation Reaction
P. C. Meenu, S. P. Datta, S. A. Singh, S. Dinda, C. Chakraborty, Sounak Roy Molecular Catalysis 510 (2021) 111710 – 111725.
DOI: https://doi.org/10.1016/j.mcat.2021.111710

61. A Numerical Analysis on Multi-Stage Tesla Valve based Cold Plates for Cooling of Pouch Type Li-ion Batteries
K. Monika, C. Chakraborty, Sounak Roy, R Sujith, S. P. Datta International Journal of Heat and Mass Transfer 177 (2021) 121560 – 121573.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2021.121560

60. From Trash to Treasure: Probing Cycloaddition and Photocatalytic Reduction of CO2 over Cerium based Metal-Organic Framework
S. Payra, Sounak Roy J. Phys. Chem. C 125, 16 (2021) 8497-8507.
DOI: http://dx.doi.org/10.1021/acs.jpcc.1c00662

59. An Improved Mini-Channel based Liquid Cooling Strategy of Prismatic LiFePO4 Batteries for Electric or Hybrid Vehicles
K. Monika, C. Chakraborty, Sounak Roy, S. Dinda, S. A. Singh, S. P. Datta Journal of Energy Storage 35 (2021) 102301 – 102316.
DOI: https://doi.org/10.1016/j.est.2021.102301

58. Selection of an Ideal Coolant to Ward off the Thermal Runaway of Pouch Type Li-ion Battery Module
K. Monika, C. Chakraborty, Sounak Roy, S. Dinda, S. A. Singh, S. P. Datta J. Electrochem. En. Conv. Stor. 18 (2021) 020913-1 - 020913-12.
DOI: http://dx.doi.org/10.1115/1.4049568

57. Can Titanium Oxide Nanotubes Facilitate Intracellular Delivery by Laser-Assisted Photoporation?  
L. Mohan, S. Kar, R. Hattori, M. I. Teshima, P. Bera, Sounak Roy, T. S. Santra, T. Shibata, M. Nagai Applied Surface Science 543 (2021) 148815 – 148830.
DOI: https://doi.org/10.1016/j.apsusc.2020.148815

56. Parametric Investigation to Optimize the Thermal Management of Pouch type Lithium-ion Batteries with Mini-channel Cold Plates  
K. Monika, C. Chakraborty, Sounak Roy, S. Dinda, S. A. Singh, S. P. Datta International Journal of Heat and Mass Transfer 164 (2021) 120568 – 120586.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2020.120568


2020:

55. Photocatalytic Materials for Reduction of Nitroarenes and Nitrates
Sounak Roy J. Phys.Chem.C 124, 52 (2020) 28345-28358.
DOI: http://dx.doi.org/10.1021/acs.jpcc.0c07363

54. Tale of two layered semiconductor catalysts towards artificial photosynthesis
Sounak Roy ACS Appl. Mater. Interfaces 12 (2020) 37811−37833.
DOI: https://doi.org/10.1021/acsami.0c11245

53. Synthesis of 2, 2, 4 trimethyl 1, 2-dihydroquinolines over heterogeneous metal modified 12-tungstophosphoric acid supported γ-Al2O3 catalyst
B. Krishna, Sounak Roy Res. Chem. Intermed. 46 (2020) 4061–4077.
DOI: https://doi.org/10.1007/s11164-020-04191-y

52. Low-Temperature Propylene Epoxidation Activity of CuO-CeO2 Catalyst with CO + O2: Role of Metal-Support Interaction on the Reducibility and Catalytic Property of CuOx Species
T. Baidya, T. Mazumder, K. Y. Koltunov, P. R. Likhar, A. H. Clark, K. Tiwari, V. I. Sobolev, S. Payra, T. Murayama, M. Lin, P. Bera, Sounak Roy, K. Biswas, O. Safonova, B. S. Rao, M. Haruta J. Phys.Chem.C 124 (2020) 14131−14146.
DOI: http://dx.doi.org/10.1021/acs.jpcc.0c00777

51. Structure Sensitive Electrocatalytic Reduction of CO2 to Methanol over Carbon Supported Intermetallic PtZn Nano-Alloys
S. Payra, S. Shenoy, C. Chakraborty, K. Tarafder, Sounak Roy ACS Appl. Mater. Interfaces 12 (2020) 19402−19414.
DOI: https://doi.org/10.1021/acsami.0c00521

50. Polyaniline Supported g-C3N4 Quantum Dots Surpass Benchmark Pt/C: Development of morphologically engineered g-C3N4 catalysts towards “metal free” methanol electro-oxidation
P. C. Meenu, S. P. Datta, S. A. Singh, S. Dinda, C. Chakraborty, Sounak Roy Journal of Power Sources 461 (2020) 228150 - 228163.
DOI: https://doi.org/10.1016/j.jpowsour.2020.228150

49. A Trade-off between Adsorption and Photocatalysis over ZIF-derived Composite
S. Payra, K. L. Reddy, R. S. Sharma, S. Singh, Sounak Roy Journal of Hazardous Materials 393 (2020) 122491 – 122503.
DOI: http://dx.doi.org/10.1016/j.jhazmat.2020.122491

48. Low temperature catalytic reduction of NO over porous Pt/​ZIF-8  
S. Challagulla, S. Payra, R. Rameshan, Sounak Roy Journal of Environmental Chemical Engineering 8 (2020) 103815-103824.
DOI: https://doi.org/10.1016/j.jece.2020.103815

47. Conversion of levulinic acid to ethyl levulinate using tin modified silicotungstic acid supported on Ta2O5 
P. Ganji, Sounak Roy Catalysis Communications 134 (2020) 105864 – 105870.
DOI: https://doi.org/10.1016/j.catcom.2019.105864

46. A correlation story of syntheses of ZnO and their influence on photocatalysis
S. Payra, S. Ganeshan, S. Challagulla, Sounak Roy Advanced Powder Technology 31 (2020) 510–520.
DOI: https://doi.org/10.1016/j.apt.2019.11.006


2019:

45. Zeolite-Based Sorbent for CO2 Capture: Preparation and Performance Evaluation
P. Murge, S. Dinda, Sounak Roy Langmuir 35 (2019) 14751−14760.
DOI: https://doi.org/10.1021/acs.langmuir.9b02259

44. A hydrogen evolution reaction induced unprecedentedly rapid electrocatalytic reduction of 4-nitrophenol over ZIF-67 compare to ZIF-8
S. Payra, S. Challagulla, C. Chakraborty, Sounak Roy Journal of Electroanalytical Chemistry 853 (2019) 113545 – 113554.
DOI: https://doi.org/10.1016/j.jelechem.2019.113545

43. Understanding the role of catalytic active sites for heterogeneous photocatalytic oxidation of methanol and thermal reduction of NOx
S. Challagulla, S. Payra, C. Chakraborty, S. A. Singh, Sounak Roy Molecular Catalysis 476 (2019) 110505 – 110515.
DOI: https://doi.org/10.1016/j.mcat.2019.110505

42. A trade-off between acidic sites and crystallinity of WO3-TiO2 catalyst towards dehydration of glucose to 5-hydroxymethylfurfural
G. Parameswaram, Sounak Roy Energy Fuels 33 (2019) 5293-5303.
DOI: http://dx.doi.org/10.1021/acs.energyfuels.9b00461

41. Probing the photo- and electro-catalytic degradation mechanism of methylene blue dye over ZIF-derived ZnO
S. Payra, S. Challagulla, Y. Bobde, C. Chakraborty, B. Ghosh, Sounak Roy Journal of Hazardous Materials 373 (2019) 377–388.
DOI: https://doi.org/10.1016/j.jhazmat.2019.03.053

40. Determination of band edges and their influences on photocatalytic reduction of nitrobenzene by bulk and exfoliated g-C3N4
S. Challagulla, S. Payra, C. Chakraborty, Sounak Roy Phys. Chem. Chem. Phys. 21 (2019) 3174-3183.
DOI: https://doi.org/10.1039/C8CP06855K

39. Role of synthesis of upconversion nano particles towards surface modification and photocatalysis
S. Challagulla, S. Payra, M. Bajaj, Sounak Roy Bull Mater Sci 42 (2019) 102.
DOI: https://doi.org/10.1007/s12034-019-1804-6


2018:

38. Enhanced photo-induced electrocatalytic oxidation of methanol using Pt-nanoparticle decorated TiO2-polyaniline ternary nanofibers
S. Roy, S. Payra, S. Challagulla, R. Arora, Sounak Roy, C. Chakraborty ACS Omega 3 (2018) 17778−17788.
DOI: https://doi.org/10.1021/acsomega.8b02610

37. Unveiling the dual role of chemically synthesized copper doped zinc oxide for compliance free resistive switching applications
B. P. K. Reddy, P. M. P. Raj, S. Challagulla, S. R. Gollu, Sounak Roy, S. Banerjee, S. Kundu J. Appl. Phys. 124 (2018) 214901.
DOI: https://doi.org/10.1063/1.5052619

36. The structural and surface modification of zeolitic imidazolate framework towards reduction of encapsulated CO2
S. Payra­, S. Challagulla, R. R. Indukuru, C. Chakraborty, K. Tarafder, B. Ghosh, Sounak Roy New J. Chem. 42 (2018) 19205-19213.
DOI: https://doi.org/10.1039/C8NJ04247K

35. Adsorbent from rice husk for CO2 capture: Synthesis, characterization and optimization of parameters
P. Murge, S. Dinda, Sounak Roy Energy Fuels 32 (2018) 10786−10795.
DOI: https://doi.org/10.1021/acs.energyfuels.8b02411

34. A novel microwave-assisted hydrothermal route for the synthesis of ZnxTPA/γ-Al2O3 for conversion of carbohydrates into 5-hydroxymethylfurfural
G. Parameswaram, Sounak Roy RSC Adv. 8 (2018) 28461-28471.
DOI: https://doi.org/10.1039/C8RA05077E

33. A probe on surface morphology and active sites of TiO2 towards photo assisted catalysis
B. Soman, S. Challagulla, S. Payra, S. Dinda, Sounak Roy Res. Chem. Intermed 44 (2018) 2261–2273.
DOI: https://doi.org/10.1007/s11164-017-3227-6


2017:

32. All that glitters is not gold: A probe into photocatalytic nitrate reduction mechanism over noble metal doped and undoped TiO2
S. Challagulla, K. Tarafder, R. Ganesan, Sounak Roy J. Phys.Chem.C 121 (2017) 27406−27416.
DOI: http://dx.doi.org/10.1021/acs.jpcc.7b07973

31.  TiO2 synthesized by various routes and its role on environmental remediation and alternate energy production
S. Challagulla, R. Nagarjuna, R. Ganesan, Sounak Roy Nano-Structures & Nano-Objects 12 (2017) 147–156.
DOI: https://doi.org/10.1016/j.nanoso.2017.10.002

30. Polymerizable sol–gel synthesis of nano-crystalline WO3 and its photocatalytic Cr(VI) reduction under visible light
R. Nagarjuna, S. Challagulla, P. Sahu, Sounak Roy, R. Ganesan Advanced Powder Technology 28 (2017) 3265–3273.
DOI: https://doi.org/10.1016/j.apt.2017.09.030

29. Structure sensitive photocatalytic reduction of nitroarenes over TiO2
S. Challagulla, K. Tarafder, R. Ganesan, Sounak Roy Sci. Rep. 7 (2017) 8783-8794.
DOI: https://doi.org/10.1038/s41598-017-08599-2

28. Unusual photoluminescence of Cu/ZnO and its correlation with photocatalytic reduction of Cr(VI)
S. Shraavan, S. Challagulla, S. Banerjee, Sounak Roy Bull. Mater. Sci. 40 (2017) 1415–1420.
DOI: https://doi.org/10.1007/s12034-017-1496-8

27. Scalable free-radical polymerization based sol–gel synthesis of SrTiO3 and its photocatalytic activity
S. Challagulla, R. Nagarjuna, Sounak Roy, R. Ganesan Chemistry Select 2 (2017) 4836 – 4842.
DOI: https://doi.org/10.1002/slct.201700570

26. The role of fuel to oxidizer ratio in solution combustion synthesis of TiO2 and its influence on photocatalysis
S. Challagulla, Sounak Roy Journal of Materials Research 32 (2017) 2764–2772.
DOI: https://doi.org/10.1557/jmr.2017.244

25. High rates of Cr(VI) photoreduction with magnetically recoverable nano-Fe3O4@Fe2O3/Al2O3 catalyst under visible light
R. Nagarjuna, S. Challagulla, R. Ganesan, Sounak Roy Chemical Engineering Journal 308 (2017) 59–66.
DOI: https://doi.org/10.1016/j.cej.2016.09.044

24. Photocatalytic NOx Abatement: A Short Review
Sounak Roy, G. Madras Current Organic Chemistry 19 (2017) 2122 – 2131.
DOI: http://dx.doi.org/10.2174/1385272819666150603235429


2016:

23. Acrylate-based polymerizable sol–gel synthesis of magnetically recoverable TiO2 supported Fe3O4 for Cr(VI) photoreduction in aerobic atmosphere
S. Challagulla, R. Nagarjuna, R. Ganesan, Sounak Roy ACS Sustainable Chem. Eng. 4 (2016) 974−982.
DOI: https://doi.org/10.1021/acssuschemeng.5b01055


2015:

22. Synthesis and characterization of reduced-graphene oxide/TiO2/Zeolite-4A: A bifunctional nanocomposite for abatement of methylene blue
R. Nagarjuna, S. Challagulla, N. Alla, R. Ganesan, Sounak Roy Materials and Design 86 (2015) 621–626.
DOI: https://doi.org/10.1016/j.matdes.2015.07.116

21. Role of solvents on photocatalytic reduction of nitroarenes by sol-gel synthesized TiO2/Zeolite 4A
S. Challagulla, R. Nagarjuna, R. Ganesan, Sounak Roy J Porous Mater 22 (2015) 1105–1110.
DOI: https://doi.org/10.1007/s10934-015-9985-x

20. Polymerizable sol-gel precursor mediated synthesis of TiO2 supported zeolite-4A and its photodegradation of Methylene blue
R. Nagarjuna, Sounak Roy, R. Ganesan Microporous and Mesoporous Materials 211 (2015) 1-8.
DOI: https://doi.org/10.1016/j.micromeso.2015.02.044

19. Materials for catalysis: Connecting Academia to Industry
Sounak Roy Journal of Catalysts and Catalysis, 2 (2015) 1-3. 


2013:

18. Probing Lewis acid sites in Sn-Beta zeolite
Sounak Roy, K. Bakhmutsky, R. F. Lobo, R. J. Gorte ACS Catal. 3 (2013) 573 – 580.
DOI: https://doi.org/10.1021/cs300599z


2012:

17. A Mechanistic Study of Alcohol Dehydration on γ-Al2O3
Sounak Roy, G, Mpourmpakis, D. G. Vlachos, A. Bhan, R. J. Gorte ACS Catal. 2 (2012) 1846−1853.
DOI: https://doi.org/10.1021/cs300176d

16. NOx Storage-Reduction over M/MgAl2O4 (M = Pt, Pd, and Rh): A comparative Study
Sounak Roy, N. V. Vegten, A. Baiker Applied Catalysis B: Environmental 119 (2012) 279–286.
DOI: https://doi.org/10.1016/j.apcatb.2012.03.008


2011:

15. A direct carbon fuel cell with a molten antimony anode
A. Jayakumar, R. Küngas, Sounak Roy, A. Javadekar, D. J. Buttrey, J. M. Vohs, R. J. Gorte Energy Environ. Sci., 4 (2011) 4133-4137.
DOI: https://doi.org/10.1039/C1EE01863A


2010:

14. Single step flame-made Pt/MgAl2O4 - A NOx storage-reduction catalyst with unprecedented dynamic behavior and sulfur poisoning resistance
Sounak Roy Journal of Catalysis 271 (2010) 125–131.
DOI: https://doi.org/10.1016/j.jcat.2010.02.017


2009:

13. NOx storage-reduction catalysis: from mechanism and materials properties to storage-reduction performance
Sounak Roy, A. Baiker Chem. Rev. 109 (2009) 4054–4091.
DOI: https://doi.org/10.1021/cr800496f

12. Catalysis for NOx abatement
Sounak Roy, M. S. Hegde, G. Madras Applied Energy 86 (2009) 2283–2297.
DOI: https://doi.org/10.1016/j.apenergy.2009.03.022


2008:

11. Selective catalytic reduction of NOx: mechanistic perspectives on the role of base metal and noble metal ion substitution
Sounak Roy, A. Marimuthu, P. A. Deshpande, M. S. Hegde, G. Madras Ind. Eng. Chem. Res. 47 (2008) 9240-9247.
DOI: http://pubs.acs.org/doi/abs/10.1021/ie8010879

10. Low temperature NOx and N2O reduction by H2: Mechanism and development of new nano-catalysts
Sounak Roy, M. S. Hegde, S. Sharma, N. P. Lalla, A. Marimuthu, G. Madras Applied Catalysis B: Environmental 84 (2008) 341–350.
DOI: https://doi.org/10.1016/j.apcatb.2008.04.008

9. Low-temperature selective catalytic reduction of NO with NH3 over Ti0.9M0.1O2-d (M = Cr, Mn, Fe, Co, Cu)
Sounak Roy, B. Viswanath, M. S. Hegde, G. Madras Journal of Physical Chemistry C 112 (2008) 6002-6012.
DOI: https://doi.org/10.1021/jp7117086

8. Pd ion substituted CeO2: A superior de-NOx catalyst to Pt or Rh metal ion doped ceria
Sounak Roy, M. S. Hegde Catalysis Communications 9 (2008) 811–815.
DOI: https://doi.org/10.1016/j.catcom.2007.09.019

7. NO reduction by H2 over nano-Ce0.98Pd0.02O2-d
Sounak Roy, M. S. Hegde, G. Madras Catalysis Communications 9 (2008) 101–105.
DOI: https://doi.org/10.1016/j.catcom.2007.05.031


2007:

6. Kinetics of photocatalytic reduction of NO by CO with Pd2+ ion-substituted nano-TiO2
Sounak Roy, T. Aarthi, M. S. Hegde, G. Madras Ind. Eng. Chem. Res. 46 (2007) 5798-5802.
DOI: https://doi.org/10.1021/ie0704593

5. Creation of redox adsorption sites by Pd2+ ion substitution in nano TiO2 for high photocatalytic activity of CO oxidation, NO reduction, and NO decomposition
Sounak Roy, M. S. Hegde, N. Ravishankar, G. Madras J. Phys. Chem. C 111 (2007) 8153-8160.
DOI: https://doi.org/10.1021/jp066145v

4.  High rates of CO and hydrocarbon oxidation and NO reduction by CO over Ti0.99Pd0.01O1.99
Sounak Roy, A. Marimuthu, M. S. Hegde, G. Madras Applied Catalysis B: Environmental 73 (2007) 300–310.
DOI: https://doi.org/10.1016/j.apcatb.2007.01.003

3.  High rates of NO and N2O reduction by CO, CO and hydrocarbon oxidation by O2 over nano crystalline Ce0.98Pd0.02O2-d: Catalytic and kinetic studies
Sounak Roy, A. Marimuthu, M. S. Hegde, G. Madras Applied Catalysis B: Environmental 71 (2007) 23–31.
DOI: https://doi.org/10.1016/j.apcatb.2006.08.005


2006:

2. Synthesis, structure and three way catalytic activity of Ce1-xPtx/2Rhx/2O2-d (x=0.01 and 0.02) nano-crystallites: Synergistic effect in bimetal ionic catalysts
A. Gayen, T. Baidya, K. Biswas, Sounak Roy, M. S. Hegde Applied Catalysis A: General 315 (2006) 135–146.
DOI: https://doi.org/10.1016/j.apcata.2006.09.015


2005:

1. Synthesis, structure and photocatalytic activity of nano TiO2 and nano Ti1-xMxO2-d (M = Cu, Fe, Pt, Pd, V, W, Ce, Zr)
M. S. Hegde, K. Nagaveni, Sounak Roy Pramana - J. Phys. 65 (2005) 641–645.
DOI: https://doi.org/10.1007/BF03010452