- Nanomaterials for catalytic reactions
- Covalent Organic Framework Applications
- Magnetic Properties and Synthesis of Ferrites
- Carbon Dioxide Capture Technologies
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced Photocatalysis Techniques
- Electromagnetic wave absorption materials
- Multicomponent Synthesis of Heterocycles
- Membrane Separation and Gas Transport
- Phase Equilibria and Thermodynamics
- Copper-based nanomaterials and applications
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Advancements in Battery Materials
- Organoboron and organosilicon chemistry
- Catalytic Processes in Materials Science
- COVID-19 diagnosis using AI
- Lung Cancer Diagnosis and Treatment
- Heme Oxygenase-1 and Carbon Monoxide
- Nanocluster Synthesis and Applications
- Metal and Thin Film Mechanics
- Catalysis and Hydrodesulfurization Studies
- Multiferroics and related materials
- Chemical Synthesis and Reactions
- Metamaterials and Metasurfaces Applications
University of Tennessee at Knoxville
2022-2025
College of Medicine & Sagore Dutta Hospital
2020
Presidency University
2020
Institut Teknologi dan Sains Mandala
2015-2018
Birla Institute of Technology and Science, Pilani - Goa Campus
2016-2018
Birla Institute of Technology and Science, Pilani
2015
Jadavpur University
2015
Central Glass and Ceramic Research Institute
2015
In this work, we have reported a nanocomposite, composed of BiFeO3 nanowire and reduced graphene oxide (BFO-RGO), as an electrode material for high-performance supercapacitor. A facile hydrothermal method was employed to prepare BFO-RGO nanocomposite. The electrochemical measurements were performed by cyclic voltammetry, galvanostatic charge/discharge measurements, impedance spectroscopy. specific capacitance the nanocomposite 928.43 F g–1 at current density 5 g–1, which is superior that...
Here, we report a facile hydrothermal synthesis method to prepare BiFeO3 nanowire-reduced graphene oxide (BFO-RGO) nanocomposites. The unique properties of 2-D reduced (RGO) and 1-D nanowires (BFO) were exploited design nanocomposites obtain high performing microwave absorber materials. composite with 97 wt % BFO 3 RGO exhibited minimum reflection loss value −28.68 dB at 10.68 GHz along the effective absorption bandwidth (≥ −10 dB) ranging from 9.6 11.7 when thickness was only 1.55 mm....
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Here, an ‘<italic>in situ</italic>’ co-precipitation reaction method has been reported for the preparation of CoFe<sub>2</sub>O<sub>4</sub>–RGO (CF–RGO) nanocomposites.
Direct air capture (DAC) of CO2 has emerged as the most promising "negative carbon emission" technologies. Despite being state-of-the-art, sorbents deploying alkali hydroxides/amine solutions or amine-modified materials still suffer from unsolved high energy consumption and stability issues. In this work, composite are crafted by hybridizing a robust metal-organic framework (Ni-MOF) with superbase-derived ionic liquid (SIL), possessing well maintained crystallinity chemical structures. The...
Herein, we report for the first time synthesis of a BiFeO<sub>3</sub> nanowire-reduced graphene oxide nanocatalyst (BFO–RGO) using hydrothermal method.
Direct air capture (DAC) of CO2 by solid porous materials represents an attractive "negative emission" technology. However, state-of-the-art sorbents based on supported amines still suffer from unsolved high energy consumption and stability issues. Herein, taking clues the interaction with superbase-derived ionic liquids (SILs), high-performance tunable in DAC was developed harnessing power CaO- SIL-engineered sorbents. Deploying mesoporous silica as substrate, a thin CaO layer first...
Porous liquids have traditionally been designed with sterically hindered solvents. Alternatively, recent efforts rely on dispersing microporous frameworks in simpler solvents like water. Here we report a unique strategy to construct macroporous water by selectively incorporating hydrophilicity the surfaces of hydrophobic hollow carbon spheres (HCS). Specifically, show that stable dispersion surface ionized HCS while retaining inherent porosity. The electrocatalytic conversion small gas...
CoFe<sub>2</sub>O<sub>4</sub> nanoparticles, synthesized <italic>via</italic> a co-precipitation method at 120 °C, exhibited excellent microwave absorption properties, with minimum reflection loss of −55 dB (∼99.99%) 9.25 GHz.
A Ni<sub>0.8</sub>Zn<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> reduced graphene oxide nanocomposite has been synthesized by a simple ‘<italic>in situ</italic> co-precipitation’ technique.
Here, we report a simple '
Metal–organic framework (MOF)-derived nanoscale porous materials are widely deployed in carbon capture, but the CO2 capacity is varied by different post-treatments, and its mechanism still unclear. Herein, we prepared UiO-66 treated it with methanol solvent thermal activation approaches, which showed ∼3 times enhanced capacities from 15.1 to 45.0 mg/g excellent recyclability of 10 cycles. The treatment efficiently removes residual guest molecules, including N,N-dimethylformamide, dangling...
Organic positive electrodes featuring lightweight and tunable energy storage modes by molecular structure engineering have promising application prospects in dual-ion batteries. Herein, a series of highly porous covalent triazine frameworks (CTFs) were synthesized under ionothermal conditions using fluorinated aromatic nitrile monomers containing piperazine ring. Fluorinated can result more defects CTFs, leading to higher surface area up 2515 m2 g-1 N content 11.34 wt % compared the products...
We report a simple synthetic route for the preparation of titanium dioxide (TiO 2 ), cobalt ferrite (CoFe O 4 ) nanoparticle and reduced graphene oxide (RGO) based nanocomposites TiO /CoFe /RGO. This is first time non-hydrothermal technique reported /RGO nanocomposites. Moreover, unlike other methods only water was used as reaction medium. Catalytic activity synthesized towards degradation various dyes, such Methyl Orange, Rhodamine B, Methylene Blue under visible light were investigated....
Boron-enriched scaffolds have demonstrated unique features and promising performance in the field of catalysis towards activation small gas molecules. However, there is still a lack facile approaches capable achieving high B doping abundant porous channels targeted catalysts. Herein, construction boron- nitrogen-enriched nanoporous π-conjugated networks (BN-NCNs) was achieved via ionothermal polymerization procedure with hexaazatriphenylenehexacarbonitrile [HAT(CN)6 ] sodium borohydride as...
Herein, we reports the application of various spinel ferrite nanoparticles, MFe2O4 (M = Co, Ni, Cu, Zn), as efficient catalyst for Biginelli reaction. All nanoparticles were synthesized using a novel aqueous solution based method. It was observed that, catalytic activity followed decreasing order CoFe2O4 > CuFe2O4 NiFe2O4 ZnFe2O4. The most important feature these nanocatalysts is can directly be used and no surface modification or functionalization required. These are easily separable from...
Direct Air Capture In article number 2302708, Zhenzhen Yang, Sheng Dai, and co-workers achieve high-performance direct air capture (DAC) of CO2 by harnessing composite sorbents being crafted hybridizing a robust metal-organic framework (Ni-MOF) with superbase-derived ionic liquid (SIL), possessing rapid carbon kinetics, facile releasing, good cycling stability.
Herein, we are reporting the use of pure single phase barium hexaferrite (BaFe12O19) nanoparticles as an efficient catalyst for epoxidation styrene. BaFe12O19 nanocatalysts exhibit high conversion styrene with excellent selectivity oxide formation. Easy method preparation, capability catalyzing epoxide reaction to (~91%) and (~86.5%), easy magnetic separation very good reusability make synthesized nanocatalyst this reaction. To best our knowledge, is first time has been reported.
Abstract Boron‐enriched scaffolds have demonstrated unique features and promising performance in the field of catalysis towards activation small gas molecules. However, there is still a lack facile approaches capable achieving high B doping abundant porous channels targeted catalysts. Herein, construction boron‐ nitrogen‐enriched nanoporous π‐conjugated networks (BN‐NCNs) was achieved via ionothermal polymerization procedure with hexaazatriphenylenehexacarbonitrile [HAT(CN) 6 ] sodium...