Publications
49. R.R. Nayak, N.K. Gupta* Tailoring Carbon Nanostructure for Selective Guar Gum Conversion: Unveiling the Interplay between Structure and Surface Functionalities in Galactose and Mannose Production, Accepted for publication in ACS Sustainable Chem. Eng., 2025.
https://doi.org/10.1021/acssuschemeng.4c08126
(Highlighted on the cover picture)
48. R. Singhal, R.R. Nayak, S. Singh, R. Yadav, R.V. Singh, N.K. Gupta* Ultra-Responsive Donor-Acceptor System for Transforming Poly(lactic) Acid into Amino Acids with Visible Light, Accepted for publication in ACS Applied Engineering Materials, 2025.
https://doi.org/10.1021/acsaenm.4c00597
47. R.R. Nayak, H.S. Khairun, G. Parveen, A. Garg, Y.A. Chumachenko, R. Shu, N.K. Gupta* A Review on Biomass‐Derived Carbon Quantum Dots: Emerging Catalysts for Hydrogenation Catalysis, Accepted for publication in Chemistry – An Asian Journal, 2025.
https://doi.org/10.1002/asia.202401005
(Highlighted on the cover picture)
46. P. Palenicek, H.S. Khairun, N.K. Gupta*, S. Yadav, A.C. Poulose, A. Bakandritsos, J.J. Schneider, M. Rose Unification of Ru and carbon support in catalytic aqueous 1,6-hexanediol amination, Accepted for publication in Molecular Catalysis, 2025.
https://doi.org/10.1016/j.mcat.2025.115030
45. O. Singh, H. S. Khairun, H. Joshi, B. Sarkar, N.K. Gupta* Advancing Light Olefin Production: Exploring Pathways, Catalyst Development, and Future Prospects, Accepted for publication in Fuel, 2025.https://doi.org/10.1016/j.fuel.2024.132992
44. T. Yin, Y. Luo, R. R. Nayak, R. Shu, Z. Tian, C. Wang, Y. Chen, N. K. Gupta* Highly Efficient and Selective Hydrodeoxygenation of Guaiacol Using Ni-Supported Honeycomb-Structured Biochar and Phosphomolybdic Acid, Accepted for publication in ChemAsian J, 2024. https://doi.org/10.1002/asia.202400999
43. A.V.S.L.S. Bharadwaj, S. Chinnam, J.J. Phillips, Janani V., Gajendra KS, Archana V, A. S. Chauhan, N. K. Gupta* Cavitation-Assisted Synthesis and Characterization of a Novel Catalyst from Waste Coconut Trunk Biomass for Biodiesel Production, Accepted for publication in Bioresource Technology, 2024.
https://doi.org/10.1016/j.biortech.2024.131397
42. S. Singh, R. Singhal, R.K. Yadav, N.K. Gupta* In-situ ‘X’ doped ‘GCN’ photocatalyst enables selective aldehyde synthesis via photo-oxidation of benzyl alcohol under ambient conditions, Accepted for publication in Diamond and Related Materials, 2024.
https://doi.org/10.1016/j.diamond.2024.111609
41. R.R. Nayak, H. Khairun S., R. Singhal, A.V.S.L.S. Bhardwaj, N.K. Gupta* Waste-derived Catalysts for Sustainable Biodiesel Production: Current Status on Catalyst Development and Future Prospectives, Journal of Indian Institute of Science, 2024.
https://doi.org/10.1007/s41745-024-00439-3
40. T. Yin, Y. Luo, A.S. Chauhan, R. Shu, Z. Tian, C. Wang, Y. Chen, N.K. Gupta*, Efficient hydrodeoxygenation of lignin-derived phenolic compounds over bifunctional catalyst comprising H4PMo11VO40 coupled with Ni/C, Accepted for publication in ChemPhysChem, 2024.
DOI: 10.1002/cphc.202400505
39. A. Rai, R.K. Yadav, K. Sharma, S. Singh, J.O. Baeg, N.K. Gupta* Hybrid NenG/ZSM-5 Towards Highly Selective and Efficient Photocatalysis for Generation of Leucodopaminechrome and Gluconic Acid Under Solar Light, Accepted for publication in ChemistrySelect, 2024, 9, e202401988, 1-8.
https://doi.org/10.1002/slct.202401988
38. B. Hua, R. Shu, H. S. Khairun, Z. Tian, C. Wang, N. K. Gupta*, Methanol Steam Reforming for Hydrogen Production Over Ni-based Catalysts: State-of-the-art Review and Future Prospects, Accepted for publication in ChemAsian J, 2024. https://doi.org/10.1002/asia.202400217
37. N. Chaurasia, R. K. Yadav, S. Mishra, R. Shahin, S. Singh, N. K. Gupta*, S. K. Pandey, M. K. Yadav, J. O. Baeg, A. J. Obaidullah, K. K. Yadav, B@S-Codoped Graphitic Carbon Nitride Nanorods Illuminate Enhanced Catalytic C-N Bond Formation Under Visible-Light, FlatChem, 2024, 46, 100669. https://doi.org/10.1016/j.flatc.2024.100669
36. H. Gautam, R. K. Yadav, S. Mishra, R. Shahin, S. Singh, R. Singhal, N. K. Gupta*, J. O. Baeg, A P. Singh, G. A. El-Hitie, K. K. Yadav, Crafting In-situ Boron and Selenium-Doped Carbon Nitride Nanosheets for Turbocharged benzaldehyde to benzyl alcohol Under Solar Spectrum, Accepted for publication in Diamond & Related Materials, 2024.
https://doi.org/10.1016/j.diamond.2024.111140
35. R. K. Shukla, R. K. Yadav, V. L. Gole, R. Singhal, R. Shahin, S. Mishra, S. Singh, K. Sharma, J. O. Baeg, G. A. El-Hiti, K. K. Yadav, N. K. Gupta*, Transforming Pharmaceutical Synthesis with Sein-E-B Nanocomposite Photocatalyst through 1,4-NAD(P)H Cofactor Regeneration and C-N Bond Activation, Chemistry & Biodiversity, 2024.
https://onlinelibrary.wiley.com/doi/10.1002/cbdv.202400329
34. R. Singhal, R. K. Yadav, S. Singh, R. Shahin, S. Mishra, A. K. Gupta, R. R. Nayak, N. K. Gupta*, J. O. Baeg, G. A. El‑Hiti, K. K. Yadav, In‑situ crafted polymeric frameworks unveil spectacular optical prowess for enhanced photocatalysis, J Opt., 2024.
33. R. Singh, R.K. Yadav, Satyanath, S. Singh, R. Shahin, A. Umar, A.A. Ibrahim, O. Singh, N. K. Gupta, C. Singh, J.O. Baeg, S. Baskoutas, Nature-inspired polymer photocatalysts for green NADH regeneration and nitroarene transformation, Chemosphere, 2024, 353, 141491.
32. R. Shu, Y. Lin, L. Zhou, B. Luo, S. Yang, Z. Tian, C. Wang, Z. Shi, R. R. Nayak, N. K. Gupta* Enhanced lignin hydrogenolysis through synergy-induced bimetallic NiCu catalyst for chemocatalytic production of aromatic monomers, Chem. Eng. Sci., 2024, 286, 119654.
31. J. Agrawal, R. Shahin, C. Singh, S. Singh, R. K. Shukla, S. Mishra, P. Singh, J. O. Baeg, R. K. Yadav, N. K. Gupta*, Ultrahigh graphene quantum dots covalently coupled with PhS unleash effective photocatalysis for valuable chemical transformation, RSC Sustainability, 2024, 2, 695-700
30. N. Kumar, R. K. Yadav, A. Umar, A. A. Ibrahim, S. Singh, R. Shahin, A. P. Singh, A. K. Gupta, N. K. Gupta, J. O. Baeg, D. K. Dwivedi, S. Baskoutas Selective aerobic coupling of amines to imines using solar spectrum-responsive flower-like Nen-graphene quantum dots (GQDs) decorated with 2, 4-dinitrophenylhydrazine (PH) as a photocatalyst Chemosphere, 2023, 341, 139697
29. K. Kumar, R. K. Yadav, R. K. Verma, S. Singh, R. Shahin, R. Singhal, N. K. Gupta, C. Singh, D. K. Dwivedi, J. O. Baeg Harnessing the power of an ultra-strong tensile strength PGTPP nanocomposite photocatalyst for artificial photosynthesis Catal. Sci. Technol., 2023, 13, 5679
28. K. Sharma, R. K. Yadav, S. Singh, C. Singh, R. Shahin, K. Kumar, R. K. Verma, D. K. Dwivedi, J. O. Baeg, N. K. Gupta Sun-powered CO2 transformation: TBE-Y photocatalyst's remarkable selectivity for solar-induced HCOOH Molecular Catalysis, 2023, 548, 113379
27. L. Kumari, S. Singh, R. K. Yadav, R. Shahin, T. W. Kim, S. K. Pandey, D. Tiwari, A. K. Singh, Satyanath, D.K. Dwivedi, N. K. Gupta Revolutionizing regeneration of NADH and deoxygenation of sulfide: Harnessing visible light with SDG@TPP composites for powerful synthetic applications Mater. Today Commun, 2023, 37, 106862.
26. R. Devi, S. Singh, V. S. Rana, O. Singh, K. Kumar, R. Shrivastava, R. K. Yadav, A. K. Singh, N. K. Gupta, A. P. Singh Synthesis of well-defined ester-linked covalent organic polymer and its potential applications in C–H bond activation J. Photochem. Photobiol., A 2023, 447, 115248.
25. R. Siddique, R. K. Yadav, S. Singh, R. Shahin, A. K. Dubey, A. K. Singh, A. K. Singh, N. K. Gupta*, J. O. Baeg, T. W. Kim Photocatalytic oxygenation of sulfide using solar light and ingenious GQDs@AQ catalyst: Mechanistic and synthetic investigations Photochemistry and Photobiology, 2023, 00:1–8
24. R. Shahin, R. K. Yadav, R. K. Verma, C. Singh, S. Singh, T. W. Kim, N. K. Gupta, J. O. Baeg, Revolutionizing carbon chemistry: Solar-powered C(sp3)–N bond activation and CO2 transformation via newly designed SBE-Y cutting-edge dynamic photocatalyst, Photochemistry and Photobiology, 2023, 00:1-15.
23. R. K. Shukla, R. K. Yadav, V. L. Gole, C. Y. Na, G. H. Jeong, S. Singh, J. O. Baeg, M. Y. Choi, N. K. Gupta, T. W. Kim Aloe vera-derived graphene-coupled phenosafranin photocatalyst for generation and regeneration of ammonia and NADH by mimicking natural photosynthetic route Photochemistry and Photobiology, 2023, 00:1–11.
22. P. Reif, N. K. Gupta*, M. Rose, Highly stable amorphous silica-alumina catalysts for continuous bio-derived mesitylene production under solvent-free conditions, Green Chem., 2023,25, 1588-1596.
21. P. Singh, S. Chaubey, C. Singh, S. Singh, R. K. Yadav, A. P. Singh, P. D. Subhash, D. Tiwari, N. K. Gupta, T. W. Kim Polystyrene-based eosin-Y as a photocatalyst for solar light-mediated NADH/NADPH regeneration and organic transformations React. Chem. Eng., 2023, 8, 1072.
20. R. Singh, R. K. Yadav, R. K. Shukla, S. Singh, A. P. Singh, D. K. Dwivedi, A. Umar, N. K. Gupta* Highly Selective Nitrogen-Doped Graphene Quantum Dots/Eriochrome Cyanine Composite Photocatalyst for NADH Regeneration and Coupling of Benzylamine in Aerobic Condition under Solar Light Catalysts 2023, 13(1), 199.
19. A. Tripathi, R. K. Yadav, S. Singh, R. Shahin, D. K. Dwivedi, N. K. Gupta, T. W. Kim, R. K. Verma, K. Kumar A donor-acceptor self-assembled graphitic carbon nitride based EB-T photocatalytic system for generation and regeneration of C(sp3) single bond F bond and NADH under sunlight Diam. Relat. Mater, 2023, 136, 109998.
18. Q. Zhang, N. K. Gupta, M. Rose, X. Gu, P. W. Menezes, Z. Chen* Mechanistic insights into the photocatalytic valorization of lignin models via C−O/C−C cleavage or C−C/C−N coupling Chem Catalysis, 2023, 3, 100470.
17. N. K. Gupta*, P. Palenicek, L. Nortmeyer, G. M. Meyer, T. Schäfer, T. Hellmann, J. P. Hofmann, M. Rose* Modulating catalytic selectivity by base addition in aqueous reductive amination of 1,6-hexanediol using Ru/C ACS Sustain. Chem. Eng., 2022, 10, (44) 14560.
16. C. Walter, R. Beltrán-Suito, M. Schwarze, N. K Gupta, P. W. Menezes*, M. Driess* Elemental chalcogens acting as metal-free electrocatalysts for effective alkaline and acidic hydrogen evolution reaction Catal. Today, 2022.
15. B. Ullah, N. K. Gupta*, Q. Ke, N. Ullah, X. Cai, D. Liu Organocatalytic Synthesis of α-Aminonitriles: A Review Catalysts, 2022, 12, 1149. (Equally contributed to the first author)
14. N. K. Gupta*, P. Reif, P. Phillip, M. Rose* Toward Renewable Amines: Recent Advances in the Catalytic Amination of Biomass-Derived Oxygenates ACS Catal., 2022, 12, 10400.
13. P. Reif, N. K. Gupta*, M. Rose* Liquid phase aromatization of bio-based ketones over a stable solid acid catalyst under batch and continuous flow conditions Catal. Commun., 2022, 163, 106402.
12. P. Sudarsanam, N. K. Gupta, B. Mallesham, N. Singh, P. N. Kalbande, B. M. Reddy, B. F. Sels Supported MoOx and WOx solid acids for biomass valorization: Interplay of coordination chemistry, acidity, and catalysis ACS Catal., 2021, 11, 13603.
11. P. D. Chavan, G. Sahu, A. Banerjee, V. Chauhan, N. K. Gupta, S. Saha, S. Datta, P. Datta and P. K. Singh Gasification of high ash Indian coals in fluidized bed gasifier, in Innovative Exploration Methods for Minerals, Oil, Gas, and Groundwater for Sustainable Development, 2021.
10. X. Luo, Y. Li, N. K. Gupta, B. Sels, J. Ralph, L. Shuai, Protection strategies enable selective conversion of biomass Angew. Chem. Int. Ed., 2020, 59, 11704.
9. V. Chauhan, P. D. Chavan, N. K. Gupta, S. Datta, S. Saha, G. Sahu, Establishing fluidization parameters of different size of coal ash particles in bubbling fluidized bed Chem. Eng. Comm., 2019, 1.
8. N. K. Gupta, A. Fukuoka and K. Nakajima, Metal-free and selective oxidation of furfural to furoic acid with an N-heterocyclic carbene catalyst ACS Sustain. Chem. Eng., 2018, 6, 3434.
7. G. Sahu, N. K. Gupta, A. Kotha, S. Saha, S. Datta, P. Chavan and P. Dutta, A Review on Biodiesel Production through heterogeneous catalysis route ChemBioEng Rev. 2018, 5, 4, 231.
6. K. Nakajima, J. Hirata, M. Kim, N. K. Gupta, T. Murayama, A. Yoshida, N. Hiyoshi, A. Fukuoka and W. Ueda, Facile Formation of Lactic Acid from a Triose Sugar in Water over Niobium Oxide with a Deformed Orthorhombic Phase ACS Catal., 2018, 8, 283.
5. N. K. Gupta, A. Fukuoka and K. Nakajima, Amorphous Nb2O5 as a Selective and Reusable Catalyst for Furfural Production from Xylose in Biphasic Water and Toluene ACS Catal., 2017, 7, 2430.
4. N. K. Gupta, B. Peng, G. Haller, E. Ember and J. A. Lercher, Nitrogen Modified Carbon Nano Materials as Stable Catalysts for Phosgene Synthesis ACS Catal., 2016, 6, 5843.
3. N. K. Gupta, A. V. Pashigreva, E. Pidko, E. Hensen, L. Mleczko, S. Roggan, E. Ember and J. A. Lercher, Bent carbon surface moieties as active sites on carbon catalysts for phosgene synthesis Angew. Chem. Int. Ed., 2016, 55, 1728; Angew.Chem. 2016, 128,1760.
2. G. Centi, K. Barbera, S. Perathoner, N. K. Gupta, E. E. Ember and J. A. Lercher, Onion Like Graphene Carbon Nanospheres as Stable Catalysts for Carbon Monoxide and Methane Chlorination ChemCatChem, 2015, 7, 3036.
1. N. K. Gupta, S. Nishimura, A. Takagaki and K. Ebitani, Hydrotalcite-supported gold nanoparticle-catalyzed highly efficient base-free aqueous oxidation of 5-hydroxymethylfurf into 2, 5-furandicarboxylic acid under atmospheric oxygen pressure Green Chem., 2011, 13, 824.
Book chapters:
1. N. K. Gupta*, V. Chauhan, R. Singh, G. Sahu, S. K. Gupta Heteroatom modified carbon nanomaterials as metal-free catalysts for lignocellulosic carbohydrate valorization, in Advanced Functional Solid Catalysts for Biomass Valorization, 2020. (Elsevier, Book ISBN: 9780128226735)
2. N. K. Gupta*, S. K. Gupta, A. K. Garg Biomass-derived functional carbon nanomaterials for the development of futuristic energy devices in Sustainable Materials for Next Generation Energy Devices, 2021. (Elsevier, Book ISBN: 9780128209066)
Dissertation/Thesis:
1. N. K. Gupta, Neuartige Methoden für die nachhaltige Diphenylcarbonat Herstellung, Technical University of Munich, Germany in December, 2015. (http://mediatum.ub.tum.de?id=1281022) (PhD thesis)
2. N. K. Gupta, Aerobic oxidation of 5-hydroxymethy1-2-furfural in water over transition metal supported heterogeneous catalysts, JAIST Japan 2011. (Master thesis)
Abstract publication at conference/symposium/ workshop: Attached