Katabathini Narasimharao
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View article: Copper-decorated chitosan organocatalyst for sonophotocatalytic CH arylation of pyrazoles: Mechanistic insights and eco-friendly perspective
Copper-decorated chitosan organocatalyst for sonophotocatalytic CH arylation of pyrazoles: Mechanistic insights and eco-friendly perspective Open
Chitosan-modified catalysts offer a significant opportunity for efficient organic synthesis. Catalysis is crucial in synthesizing pyrazole derivatives, which are integral components of many biologically active molecules. Recent advancement…
View article: Iron Phosphate Nanomaterials for Photocatalytic Degradation of Tetracycline Hydrochloride
Iron Phosphate Nanomaterials for Photocatalytic Degradation of Tetracycline Hydrochloride Open
Four different phosphorous precursors [H 3 PO 4 , (NH 4 )H 2 PO 4 , (NH 4 ) 2 HPO 4 , and (NH 4 ) 3 PO 4 ] were utilized to study their influence on the physicochemical characteristics and photocatalytic performance of iron phosphate (FeP)…
View article: Au-Deposited Ce0.5Zr0.5O2 Nanostructures for Photocatalytic H2 Production under Visible Light
Au-Deposited Ce0.5Zr0.5O2 Nanostructures for Photocatalytic H2 Production under Visible Light Open
Pure Ce0.5Zr0.5O2 and Au (0.1–1.0 wt.%)-deposited Ce0.5Zr0.5O2 nanomaterials were synthesized via hydrothermal and non-aqueous precipitation methods using gold acetate as a chloride-free Au precursor. The synthesized nanostructures exhibit…
View article: Selective Thermal and Photocatalytic Decomposition of Aqueous Hydrazine to Produce H2 over Ag-Modified TiO2 Nanomaterial
Selective Thermal and Photocatalytic Decomposition of Aqueous Hydrazine to Produce H2 over Ag-Modified TiO2 Nanomaterial Open
An Ag-modified TiO2 nanomaterial was prepared by a one-pot synthesis method using tetra butyl titanate, silver nitrate, and sodium hydroxide in water at 473 K for 3 h. X-ray diffraction, scanning electron microscopy, and transmission elect…
View article: Recent Progress in Nickel and Silica Containing Catalysts for CO2 Hydrogenation to CH4
Recent Progress in Nickel and Silica Containing Catalysts for CO2 Hydrogenation to CH4 Open
The recent unusual weather changes occurring in different parts of the world are caused by global warming, a consequence of the release of extreme amounts of greenhouse gases into the atmosphere. Carbon dioxide (CO2) is one of these greenh…
View article: Facile Synthesis of Magnetic Nigella Sativa Seeds: Advances on Nano-Formulation Approaches for Delivering Antioxidants and Their Antifungal Activity against Candida albicans
Facile Synthesis of Magnetic Nigella Sativa Seeds: Advances on Nano-Formulation Approaches for Delivering Antioxidants and Their Antifungal Activity against Candida albicans Open
This article reports on incorporating magnetic nanoparticles into natural carbon frameworks derived from Nigella Sativa seeds and their synthesis via co-precipitation reactions for application in biomedicine. The magnetic Nigella Sativa Se…
View article: Mechanochemical Synthesized CaO/ZnCo2O4 Nanocomposites for Biodiesel Production
Mechanochemical Synthesized CaO/ZnCo2O4 Nanocomposites for Biodiesel Production Open
Biodiesel has been recognized as an environmentally friendly, renewable alternative to fossil fuels. In this work, CaO/ZnCo2O4 nanocomposites were successfully synthesized via simple mechanochemical reaction between ZnCo2O4 and CaO powders…
View article: Biomass-derived carbon deposited TiO<sub>2</sub> nanotube photocatalysts for enhanced hydrogen production
Biomass-derived carbon deposited TiO<sub>2</sub> nanotube photocatalysts for enhanced hydrogen production Open
In this study, titanium oxide nanotubes (TiO 2 NTs) were deposited on the surface of activated carbon (AC) by varying the wt% of AC.
View article: One-Pot Facile Synthesis of CuO–CdWO4 Nanocomposite for Photocatalytic Hydrogen Production
One-Pot Facile Synthesis of CuO–CdWO4 Nanocomposite for Photocatalytic Hydrogen Production Open
Hydrogen (H2) is a well-known renewable energy source that produces water upon its burning, leaving no harmful emissions. Nanotechnology is utilized to increase hydrogen production using sacrificial reagents. It is an interesting task to d…
View article: Visible-Light-Driven CO2 Reduction into Methanol Utilizing Sol-Gel-Prepared CeO2-Coupled Bi2O3 Nanocomposite Heterojunctions
Visible-Light-Driven CO2 Reduction into Methanol Utilizing Sol-Gel-Prepared CeO2-Coupled Bi2O3 Nanocomposite Heterojunctions Open
Carbon dioxide (CO2) photoreduction into renewable fuels over semiconductor photocatalysts has emerged as a green and sustainable alternative for energy production. Consequently, tremendous efforts are being performed to develop robust and…
View article: Visible Light Active Magnesium Silicate–Graphitic Carbon Nitride Nanocomposites for Methylene Blue Degradation and Pb2+ Adsorption
Visible Light Active Magnesium Silicate–Graphitic Carbon Nitride Nanocomposites for Methylene Blue Degradation and Pb2+ Adsorption Open
Magnesium silicate nanosheets (MgSiNS) and graphitic carbon nitride (g-C3N4) nanocomposites were produced by varying different weight percentages of g-C3N4. The obtained nanocomposites were characterized by various techniques such as X-Ray…
View article: Influence of Synthesis Conditions on Physicochemical and Photocatalytic Properties of Ag Containing Nanomaterials
Influence of Synthesis Conditions on Physicochemical and Photocatalytic Properties of Ag Containing Nanomaterials Open
Silver (Ag) containing nanomaterials were successfully prepared by varying synthesis conditions to understand the influence of preparation conditions on the physicochemical and photocatalytic properties of these materials. Different analyt…
View article: Efficient and Eco-Friendly Perspectives for C-H Arylation of Benzothiazole Utilizing Pd Nanoparticle-Decorated Chitosan
Efficient and Eco-Friendly Perspectives for C-H Arylation of Benzothiazole Utilizing Pd Nanoparticle-Decorated Chitosan Open
In this contribution, an eco-friendly, sustainable, and efficient palladium nanoparticle-decorated chitosan (Pd@Chitosan) catalyst was synthesized by a simple impregnation method. The synthesized material was utilized as a heterogeneous ca…
View article: Noble Metals Deposited LaMnO3 Nanocomposites for Photocatalytic H2 Production
Noble Metals Deposited LaMnO3 Nanocomposites for Photocatalytic H2 Production Open
Due to the growing demand for hydrogen, the photocatalytic hydrogen production from alcohols present an intriguing prospect as a potential source of low-cost renewable energy. The noble metals (Ag, Au, Pd and Pt) deposited LaMnO3 nanocompo…
View article: Electrochemical Characteristics of Nanosized Cu, Ni, and Zn Cobaltite Spinel Materials
Electrochemical Characteristics of Nanosized Cu, Ni, and Zn Cobaltite Spinel Materials Open
For a long time, transition metal oxide systems have been considered well explored materials in heterogeneous catalysis. Amongst, the spinel-type oxides, materials such as cobaltites (Co3O4) received significant attention, owing to their u…
View article: Explorative Sonophotocatalytic Study of C-H Arylation Reaction of Pyrazoles Utilizing a Novel Sonophotoreactor for Green and Sustainable Organic Synthesis
Explorative Sonophotocatalytic Study of C-H Arylation Reaction of Pyrazoles Utilizing a Novel Sonophotoreactor for Green and Sustainable Organic Synthesis Open
The development of a mild, general, and green method for the C-H arylation of pyrazoles with relatively unreactive aryl halides is an ongoing challenge in organic synthesis. We describe herein a novel sonophotoreactor based on an ultrasoni…
View article: Fe3O4@date seeds powder: a sustainable nanocomposite material for wastewater treatment
Fe3O4@date seeds powder: a sustainable nanocomposite material for wastewater treatment Open
This study reports synthesis and utilization of Fe3O4@date seeds powder to remove methylene blue from water. The adsorbent has been produced by a simple co-precipitation method, in which Fe3O4 nanoparticles are grown on date seeds powder. …
View article: Twin-free, directly synthesized MFI nanosheets with improved thickness uniformity and their use in membrane fabrication
Twin-free, directly synthesized MFI nanosheets with improved thickness uniformity and their use in membrane fabrication Open
Zeolite nanosheets can be used for the fabrication of low-defect-density, thin, and oriented zeolite separation membranes. However, methods for manipulating their morphology are limited, hindering progress toward improved performance. We r…
View article: MoOx and WOx conjugated iron phosphate nanotubes catalysts for benzylation of benzene using benzyl alcohol
MoOx and WOx conjugated iron phosphate nanotubes catalysts for benzylation of benzene using benzyl alcohol Open
In this study, we synthesized 5 wt% MoOx and WOx conjugated iron phosphate nanotubes (FeP-NT) catalysts for benzylation of benzene using benzyl alcohol to investigate the role of acid and redox sites. The catalysts were analysed by differe…
View article: Enhanced stability of SrRuO3 mixed oxide via monovalent doping in Sr1-xKxRuO3 for the oxygen evolution reaction
Enhanced stability of SrRuO3 mixed oxide via monovalent doping in Sr1-xKxRuO3 for the oxygen evolution reaction Open
Ru mixed oxides are the most active catalysts for the oxygen evolution reaction (OER) in acid electrolyte. However, their stability is seriously compromised during the reaction. In this work we show that it is possible to enhance both OER …
View article: Ag/Ce0.5zr0.5o2 Nanofibers: Visible Light Photocatalysts for Degradation of P-Nitrophenol
Ag/Ce0.5zr0.5o2 Nanofibers: Visible Light Photocatalysts for Degradation of P-Nitrophenol Open
View article: Hexagonal Mg-Fe Ldh and Graphene Oxide Nanocomposite for Efficient Removal of Cd(Ii) from Aqueous Solutions
Hexagonal Mg-Fe Ldh and Graphene Oxide Nanocomposite for Efficient Removal of Cd(Ii) from Aqueous Solutions Open
View article: New green perspective to dihydropyridines synthesis utilizing modified heteropoly acid catalysts
New green perspective to dihydropyridines synthesis utilizing modified heteropoly acid catalysts Open
The classical Hantzsch reaction is a simple and utmost efficient protocol for the synthesis of biologically and pharmacologically important 1,4-dihydropyridine derivatives. The present study deals with the utilization of modified heteropol…
View article: Few‐Unit‐Cell MFI Zeolite Synthesized using a Simple Di‐quaternary Ammonium Structure‐Directing Agent
Few‐Unit‐Cell MFI Zeolite Synthesized using a Simple Di‐quaternary Ammonium Structure‐Directing Agent Open
Synthesis of a pentasil‐type zeolite with ultra‐small few‐unit‐cell crystalline domains, which we call FDP (few‐unit‐cell crystalline domain pentasil), is reported. FDP is made using bis‐1,5(tributyl ammonium) pentamethylene cations as str…
View article: Few‐Unit‐Cell MFI Zeolite Synthesized using a Simple Di‐quaternary Ammonium Structure‐Directing Agent
Few‐Unit‐Cell MFI Zeolite Synthesized using a Simple Di‐quaternary Ammonium Structure‐Directing Agent Open
Synthesis of a pentasil‐type zeolite with ultra‐small few‐unit‐cell crystalline domains, which we call FDP (few‐unit‐cell crystalline domain pentasil), is reported. FDP is made using bis‐1,5(tributyl ammonium) pentamethylene cations as str…
View article: PtOx-TiO2 anatase nanomaterials for photocatalytic reformation of methanol to hydrogen: effect of TiO2 morphology
PtOx-TiO2 anatase nanomaterials for photocatalytic reformation of methanol to hydrogen: effect of TiO2 morphology Open
View article: Gold supported yttrium oxide nanorods for catalytic oxidative cracking of n-propane to light olefins
Gold supported yttrium oxide nanorods for catalytic oxidative cracking of n-propane to light olefins Open
An alkali assisted hydrothermal method was utilized to synthesize Y2O3 nanorods. Gold (0.5, 1.0, 1.5 and 2.0 wt%) supported Y2O3 nanorods samples were prepared by chemical reduction method and the synthesized Au-Y2O3 nanomaterials were uti…
View article: Establishing High Photocatalytic H<sub>2</sub> Evolution from Multiwalled Titanate Nanotubes
Establishing High Photocatalytic H<sub>2</sub> Evolution from Multiwalled Titanate Nanotubes Open
Black TiO 2 in various forms has been investigated for numerous photochemical applications. In photocatalytic water splitting, “grey” titania forms have been reported to reach considerable H 2 generation rates without using a noble metal c…
View article: Highly Efficient Nanosized Mesoporous CuMgAl Ternary Oxide Catalyst for Nitro-Alcohol Synthesis: Ultrasound-Assisted Sustainable Green Perspective for the Henry Reaction
Highly Efficient Nanosized Mesoporous CuMgAl Ternary Oxide Catalyst for Nitro-Alcohol Synthesis: Ultrasound-Assisted Sustainable Green Perspective for the Henry Reaction Open
Nanosized mesoporous CuMgAl ternary oxide catalysts were prepared by thermal decomposition of CuMgAl-layered double hydroxides at 500 °C with nominal Cu/Mg/Al ratios of 1:1:1 (Cu-LDH-I), 1.5:0.5:1 (Cu-LDH-II), and 2:0:1 (Cu-LDH-III). The s…
View article: Structural and catalytic properties of copper silicate nanomaterials
Structural and catalytic properties of copper silicate nanomaterials Open
Nanosized copper silicates with three different structural morphology (amorphous, nanotubes and MEL) were prepared using different synthesis methods. The physico-chemical properties of copper silicates were characterized by XRD, FT-IR, SEM…