A5081101063- Advanced Photocatalysis Techniques
- Microwave Engineering and Waveguides
- Gyrotron and Vacuum Electronics Research
- Antenna Design and Analysis
- Copper-based nanomaterials and applications
- Chalcogenide Semiconductor Thin Films
- Perovskite Materials and Applications
- Advanced Antenna and Metasurface Technologies
- Conducting polymers and applications
- Energy Harvesting in Wireless Networks
- solar cell performance optimization
- ZnO doping and properties
- Cognitive Radio Networks and Spectrum Sensing
- Iron oxide chemistry and applications
- Quantum Dots Synthesis And Properties
- Electrocatalysts for Energy Conversion
- Electromagnetic Simulation and Numerical Methods
- Distributed Sensor Networks and Detection Algorithms
- Advanced biosensing and bioanalysis techniques
- Biosensors and Analytical Detection
- Plasmonic and Surface Plasmon Research
- Semiconductor Quantum Structures and Devices
- Radio, Podcasts, and Digital Media
- Millimeter-Wave Propagation and Modeling
- Silicon and Solar Cell Technologies
Central Electronics Engineering Research Institute
2010-2025
Tripura University
2020-2024
Medi-Caps University
2024
Edinburgh Napier University
2023
Nottingham Trent University
2023
University of Engineering & Management
2018-2019
IBM (India)
2019
Central Mechanical Engineering Research Institute
2011
Inorganic cubic rubidium–lead-halide perovskites have attracted considerable attention owing to their structural, electronic, and unique optical properties. In this study, novel rubidium–lead-bromide (RbPbBr3)-based hybrid perovskite solar cells (HPSCs) with several high-band-gap chalcogenide electron transport layers (ETLs) of In2S3, WS2, SnS2 were studied by density functional theory (DFT) using the SCAPS-1D simulator. Initially, band gap performance computed DFT, these results utilized...
Abstract The choice of appropriate materials is paramount importance in realizing a high efficiency perovskite solar cell. Lead free eco‐friendly cell architecture theoretically investigated using capacitance simulator (SCAPS) for device performance. Preliminary investigations on Cs 2 SnI 6 architectures have indicated that the presence hole transport layer crucial achieving an open‐circuit voltage greater than 0.6 V. valence band offset between absorber and has significant detrimental...
This work demonstrates a strategic nanoengineering design of TiO2 nanorod (NR)-based photoanode. Here, the doping Sb in NRs along with co-integration plasmonic gold nanoparticles and an amorphous lanthanum-cobalt double hydroxide (LaCo(OH)x) oxygen evolution catalyst (OEC) is found to improve visible-light absorption, rapid electron–hole pair separation, fast electron transportation, surface photocatalytic reaction photoanode, resulting ameliorated water oxidation performance. The Sb-doped...
This work demonstrates the photoelectrochemical (PEC) water splitting activity of a one-dimensional n-ZnO/p-ZnCo2O4 nanoheterojunction photoanode synthesized by using chemical bath deposition and electrodeposition methods. The exhibits an improved solar light-harvesting performance. type-II analogous band alignment occurs because p–n junction formation between p-ZnCo2O4 n-ZnO nanorods (NRs), which accelerates charge separation transfer, significantly reducing photogenerated electron–hole...
The architectural design of multidimensional nanoheterostructures-based photoelectrodes is demonstrated by coupling the multilayered two-dimensional (2D) structure MoS2 and MoO3 on well-aligned arrays one-dimensional (1D) ZnO nanorods template, with expected effective synergic effects. advantages catalytically active sites 2D layered transition-metal dichalcogenides/oxides integrated distinctive dimensionality-dependent phenomena 1D to achieve enormous surface area for light harvesting...
A Ru single atom dispersed CeO x cocatalyst coupled Sb-doped TiO 2 nanorod photoanode has been fabricated with excellent solar-driven water oxidation performance.
ABSTRACT Spectrum sensing (SS) is a significant processing of cognitive radio networks (CRNs) that enables users to detect the underutilized or unutilized primary (PUs) and licensed spectrum for effectual usage. The threshold value selection vital step in determining state (appearance/non‐appearance) PU sensing, it has impact on detection false‐alarm probability. When targeted parameter achieved at low SNR, other considerably degrades. In this manuscript, adaptive sampling point with...
Developing efficient, durable, and inexpensive oxygen evolution catalysts (OECs) have no alternative to designing efficient photoanodes for water splitting. Here, we demonstrate a simple strategy of fabricating CoFe Prussian blue analogue (CoFe-PBA) oxidation catalyst-coupled antimony-doped TiO2 (Sb-TiO2) nanorod (NR) photoanode with enhanced photocurrent density (1.48 mA cm–2 at 1.23 V vs reversible hydrogen electrode (RHE)), high photoconversion efficiency (0.53% 0.42 VRHE), reduced onset...
The integration of cost-effective and highly efficient oxygen evolution catalysts (OECs) profoundly impacts the performance semiconductor photoharvesters in solar-driven water splitting. Drawing inspiration from advantages various transition metal oxides hydroxide-based OECs, we demonstrate that remarkable activity nanostructured NiFe(OH)x can significantly enhance efficiency BiVO4 photoanodes. optimized BiVO4/NiFe(OH)x photoanode exhibits an above 300% increase photocurrent density over...
The potential of a BaZr x Ti 1− S 3 -based hybrid solar cell that was expected to integrate the advantages offered by both chalcogenide and perovskite materials as absorbers investigated in detail.
Poor light absorption, severe surface charge recombination and fast degradation are the key challenges with ZnO nanostructures based electrodes for photoelectrochemical (PEC) water splitting. Here, this study attempts to design an efficient durable nano-heterojunction photoelectrode by integrating earth abundant chemically stable transition metal spinel ferrites MFe2O4 (M = Co Ni) nano-particles on Nanorod arrays. The low band gap magnetic improve solar energy harvesting ability of in...
This paper presents a detailed study of the current-voltage (I-V) and capacitance-voltage (C-V) measurements made on CdS/CdTe based solar cell by numerical modeling. Implementation simulated having superstrate configuration was done with help SCAPS program using defect density model. The I-V characterisation includes window absorber layer optimisation various factors including impurity doping concentration, thickness density. energy band diagram, spectral response currentvoltage plot...
Abstract Severe surface photocarrier recombination and poor electronic conductivity are the major factors behind sluggish photoelectrochemical water oxidation kinetics of ZnFe 2 O 4 photoanode. Here, CeO x catalyst overlayer has been coupled with reduced nanorods (NRs) to reduce charge on photoanode significantly. The density functional theory (DFT) studies indicate that oxygen vacancy defect‐rich constructs a favorable band alignment promoting rapid separation serves as conducting transfer...
The unlicensed users utilize a frequency band with the licensed no adverse interference on licensee, this can be achieved by cognitive radio (CR) technique. This study examines how effectively underlay CR transmission improves spectrum efficiency. We specifically calculated generalized area spectral efficiency (GASE) parameter assessment and design of transmission. ergodic capacity primary secondary in over Rician fading channel was initially described closed-form expressions. Further, GASE...
For the proper utilization of RF signals available in environment, there is an high requirement efficient front-ends, which must witness out a antenna gain, strong radiation, and consistent efficiency 2.4 GHz bands. So, non-uniform metasurface-based microstrip patch reported. It attains fractional bandwidth (FBW) > 15%, peak gain> 9.48 dBi, with directional radiation pattern, along improved front-to-back ratio (FBR) using FR-4 substrate. All attained outcomes are subsequently matched...