Search Results - "Gupta, Narendra M."

Factors affecting the efficiency of a water splitting photocatalyst: A perspective by Gupta, Narendra M.

“…To design an efficient photocatalyst (PC) for semiconductor (SC)-mediated, solar-driven water dissociation to generate hydrogen, a host of strategies has been…”
Get full text

Structure Sensitivity of Nano-structured CdS/SBA-15 Containing Au and Pt Co-catalysts for the Photocatalytic Splitting of Water by Lunawat, Puja S., Kumar, Rajiv, Gupta, Narendra M.

“…Photocatalysts containing nanocrystallites of cadmium sulphide dispersed in the channels of mesoporous silicate SBA-15 exhibited enhanced activity for…”
Get full text

Photodegradation of Methanol Under UV-Visible Irradiation by Titania Dispersed on Polyester Cloth by Bhattacharyya, Kaustava, Tripathi, Arvind K., Gupta, Narendra M., Tyagi, Avesh K.

“…Titania supported on polyester fabric (TiO2–PY) with varying titania loadings (2–7 wt%) were prepared via the dip‐coating method at room temperature using an…”
Get full text

Genesis of enhanced photoactivity of CdS/Nix nanocomposites for visible-light-driven splitting of water by DEVI, Suman, KORAKE, Prakash, ACHARY, S. N, GUPTA, Narendra M

Get full text

Synergistic role of acid sites in the Ce-enhanced activity of mesoporous Ce–Al-MCM-41 catalysts in alkylation reactions: FTIR and TPD-ammonia studies by Kalita, Pranjal, Gupta, Narendra M., Kumar, Rajiv

“…The acidic properties of Ce x – Al y -MCM-41 with different Ce/Al/Si atomic ratios were examined by pyridine-FTIR and ammonia-TPD methods. Both the density and…”
Get full text

The quenching effect of uranyl species in the photoluminescence emission and visible-light-driven water dissociation activity of CdS and TiO2 photocatalysts by Gupta, Narendra M, Kelkar, Sarika, Korake, Prakash

“…Anchoring of uranyl species (2-4 mol%) led to the complete quenching of photoluminescence emission and the visible-light-driven water photodissociation…”
Get more information

Visible-Light-Induced Photosplitting of Water over γ′-Fe4N and γ′-Fe4N/α-Fe2O3 Nanocatalysts by Dhanasekaran, P, Salunke, Hemant G, Gupta, Narendra M

“…The application of γ′-Fe4N, a noble-metal-free, low-cost catalyst, in the photosplitting of neat water into stoichiometric amounts of H2 and O2 under…”
Get full text

Critical role of particle size and interfacial properties in the visible light induced splitting of water over the nanocrystallites of supported cadmium sulphide by Deshpande, Aparna, Gupta, Narendra M.

“…CdS crystallites of varying size (1 to 5.0 nm) were successfully deposited on the surfaces of polyester and activated charcoal. The size and the texture of…”
Get full text

Solvent-free Mukaiyama-aldol condensation catalyzed by Ce–Al–MCM-41 mesoporous materials by Kalita, Pranjal, Gupta, Narendra M., Kumar, Rajiv

“…[Display omitted] ► Ce–Al–MCM-41. ► Acid catalyst. ► Silyl ketene acetal. ► Silyl enol ether and aldehyde. MCM-41 samples containing Ce 4+ and Al 3+ in the…”
Get full text

Fourier Transform Infrared and Quasielectron Neutron Scattering Studies on the Binding Modes of Methanol Molecules in the Confined Spaces of HMCM-41 and HZSM-5:  Role of Pore Structure and Surface Acid Sites by Gupta, Narendra M, Kumar, Dharmesh, Kamble, Valmik S, Mitra, S, Mukhopadhyay, R, Kartha, V. B

“…Quasielastic neutron scattering (QENS) and Fourier transform infrared spectroscopic studies were carried out on methanol molecules adsorbed in HMCM-41 and…”
Get full text

Uranyl-Anchored MCM-41 as a Highly Efficient Photocatalyst in the Oxidative Destruction of Short Chain Linear Alkanes: An in situ FTIR Study by Krishna, Vidya, Kamble, Valmik S, Gupta, Narendra M, Selvam, Parasuraman

“…Uranyl ions anchored in the mesopores of MCM-41 molecular sieve were found to be a highly efficient heterogeneous photocatalyst in the complete degradation of…”
Get full text

Visible light-induced splitting of water using CdS nanocrystallites immobilized over water-repellant polymeric surface by Lunawat, Pooja S., Senapati, Satyajyoti, Kumar, Rajiv, Gupta, Narendra M.

“…The paper reports on a well dispersed cadmium sulfide (CdS) catalyst that exhibits high activity for visible light-driven hydrogen production from…”
Get full text

Nature of the acid sites in the metal triflates immobilized in SBA-15 and their role in the Friedel–Crafts acylation of naphthalene by Selvakumar, S., Gupta, Narendra M., Singh, A.P.

“…The acid sites responsible for acylation of naphthalene over metal triflate loaded SBA-15 are monitored by NH 3-TPD and pyridine-IR measurements. Whereas large…”
Get full text

The Temperature-Dependent Adsorption Behaviour of Benzene Molecules in ZSM-5 Zeolite Pores: TPD and FT-IR Spectroscopy Studies by Arati Sahasrabudhe, Salil Varma, Narendra M. Gupta

“…Temperature-programmed desorption (TPD) and in situ Fourier-transform infrared (FT-IR) spectroscopic methods were employed to investigate the effect of loading…”
Get full text

Interfacial and physico-chemical properties of polymer-supported CdS⋅ZnS nanocomposites and their role in the visible-light mediated photocatalytic splitting of water by Deshpande, Aparna, Shah, Pallavi, Gholap, R.S., Gupta, Narendra M.

“…Nano-composite CdS⋅ZnS moieties coated over polyester strip were found to exhibit better visible-light-mediated photo-activity for splitting of water, as…”
Get full text

Synthesis and characterization of NCL-5, NCL-6 and NCL-7: New zeolites enriched with polymorph B of the BEA family by Kadgaonkar, Mahesh D., Kasture, Mahesh W., Bhange, Deu S., Joshi, Praphulla N., Ramaswamy, Veda, Gupta, Narendra M., Kumar, Rajiv

“…The synthesis of all-silica analogs of polymorph B-enriched zeolites of the BEA family denoted as NCL-5, NCL-6 and NCL-7 was realized hydrothermally at lower…”
Get full text

Sunlight-assisted photocatalytic oxidation of methane over uranyl-anchored MCM-41 by KRISHNA, Vidya, KAMBLE, Valmik S, SELVAM, Parasuraman, GUPTA, Narendra M

“…Uranyl ions anchored within the mesopores of MCM-41 silicate host matrix served as highly efficient heterogeneous catalysts for sunlight-assisted…”
Get full text

Heterogeneous photocatalytic degradation of methanol over uranyl-anchored nanoporous MCM-41 and MCM-48 by Krishna, Vidya, Kamble, Valmik S, Gupta, Narendra M, Selvam, Parasuraman

“…The vapor-phase photodegradation of methanol to carbon dioxide was carried out over uranyl-anchored nanoporous MCM-41 and MCM-48 hosts (designated as…”
Get more information

Role of aliovalent cation doping in the activity of nanocrystalline CdS for visible-light-driven H2 production from water by Korake, Prakash V., Achary, Srungarpu N., Gupta, Narendra M.

“…This study was aimed at discerning the enhancement in the visible-light–driven water splitting activity of nanocrystalline CdS photocatalysts because of their…”
Get full text

Genesis of enhanced photoactivity of CdS/Ni x nanocomposites for visible-light-driven splitting of water by Devi, Suman, Korake, Prakash, Achary, S.N., Gupta, Narendra M.

Get full text