Aloke VermaKalinga University, Naya Raipur (C.G.), PIN 492101 · Physics
Aloke Verma
Ph. D. in Physics
Perovskite Solar Cells, Luminescence Materials, Nanomaterials, Theoretical Physics and Others.
About
41
Publications
1,847
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64
Citations
Introduction
Currently, I am working on perovskite solar cell material and study of different parameters.
Skills and Expertise
Additional affiliations
June 2021 - present
Kalinga University
Position
- Professor (Assistant)
November 2014 - June 2017
Kalinga University
Position
- Professor (Assistant)
August 2009 - November 2014
Education
July 2007 - July 2009
Govt. Nagarjuna P. G. (Autonomous) College of Science Raipur
Field of study
- Physics
Publications
Publications (41)
This case study explores the critical role of renewable energy in the electricity production of Chhattisgarh, a state in central India rich in natural resources. Focusing on solar, wind, and biomass energy sources, the study provides a detailed analysis of the current state, growth trends, challenges, and future prospects of renewable energy in the...
The book Fermi Surfaces and Metals explores the role of Fermi surfaces in the electronic properties of metals and conductive materials. Fermi surfaces represent the boundary between occupied and unoccupied electron states at absolute zero temperature, and their shape and structure are crucial for understanding electron behavior under external force...
This study presents a groundbreaking strategy in wearable electronics by combining wearable antennas with perovskite solar cells, enabling sophisticated communication capabilities while utilizing sustainable energy sources. The flexible and lightweight perovskite solar cells offer a viable alternative for sustainable power generation in wearable de...
This study examines the structural, optical, and morphological characteristics of Methylammonium lead halide perovskites (MAPbX3) as potential solar cell candidates. Variable band gaps, extended carrier lifetimes, high absorption coefficients, and solution-processable synthesis techniques are among the numerous advantages of these perovskites. The...
This study applies queueing theory to analyze and improve the efficiency of ticket booking counters at Raipur Railway Station. By examining key parameters such as arrival rates, service rates, and system capacity, we aim to identify bottlenecks and propose solutions to reduce passenger wait times. The findings highlight the current utilization of t...
Raigarh, a municipality in Chhattisgarh, India, is known for its scenic environment, abundant mineral deposits, and vibrant cultural legacy. Located near the Kelo River, Raigarh has evolved into a center for trade and cultural activities, shaped by the Raigarh Princely State and its kings, particularly Raja Chakradhar Singh. His support for Kathak...
The incorporation of solar energy in agriculture presents a multitude of advantageous economic and environmental outcomes. This chapter examines the basic principles of solar energy, including its mechanisms and many technologies. The text explores practical implementations such as solar-powered irrigation systems, climate regulation in greenhouses...
The problem of energy distribution in power grid environment has been well studied. There exist number of energy distribution models exist in literature which consider the available energy and rate of production as the key in distributing energy in the grid environment. However, the methods suffer to achieve higher performance in energy distributio...
ARTICLE INFO ABSTRACT Physical applications play a critical role in reducing environmental pollutants through various innovative techniques and technologies. These methods target pollutants in air, water, and soil, offering efficient and cost-effective solutions for pollution control and remediation. In the realm of air pollution control, technolog...
Rice, a crucial staple that supports a significant proportion of the world population, is at the forefront of efforts to meet the increasing need for food resulting from rapid population increase. However, the pursuit of achieving optimum rice production is fraught with complex obstacles that need the implementation of novel strategies. This work h...
High-rise slender structures have become increasingly prevalent in modern urban landscapes due to the demand for efficient land use and sustainable development. However, these tall and slender buildings are susceptible to various structural challenges, including wind-induced vibrations and lateral deformations. To mitigate these issues and ensure t...
This study examines the impact of halide-based methylammonium-based perovskites on the active absorber layer (PAL) in perovskite solar cells (PSCs). The study employs SCAPS-1D simulation software to optimize the performance of PSCs by analyzing the effects of PAL thickness, temperature, and defect density on output parameters. The analysis of PAL t...
In the vast landscape of scientific inquiry, the realm of Material Science stands as a dynamic crucible where innovation and discovery converge. As we embark on this journey through the pages of "Research Trends in Material Science," we find ourselves at the crossroads of tradition and cutting-edge exploration.
This preface serves as a portal, invi...
The integration of modern technology into the teaching-learning process has revolutionized education across various disciplines, including physics. This article explores the application and utility of modern technology in enhancing the teaching and learning of physics. We discuss how technologies such as simulations, virtual laboratories, and inter...
Modelling was used to determine how reflexively fixed AlxGa1-xAs/InP/Ge MSCSs respond to changes in SI and temperature. To model energy generation, a MATLAB code was used, while a PC1D code handled data reception and transmission of a z-matrix spectrum. The ISR on the leading z-matrix was obtained by increasing spectrum of AM1.5d by ranges of SIMF...
Graphene's outstanding physical, chemical, mechanical, and electrical capabilities have
transformed nanomaterials research. Its excellent carrier mobility, optical transparency, and
thermal conductivity make it a unique material for 2D-physics device creation in electrical and
optoelectronics. Even without a band gap, electronics and optoelectronic...
Photometric data from the literature is combined with triaxial mass models to derive 2D and 3D shapes of the light distribution of elliptical galaxies NGC 1199; 1395 and 1549. The inferred shape variation in given by a Bayesian probability distribution, assuming a uniform prior. The likelihood of obtaining the data is calculated by using ensemble o...
Many dark energy models aptly describe the present-day accelerated expansion. The model is the most popular and widely used. This model presents some theoretical challenges and observational inconsistencies. There are many alternatives for this model: the barotropic fluid model, the quintessence scalar field models, the tachyon scalar field models,...
Phosphors made from inorganic oxides and activated with rare earth metals are usedin numerous practical contexts. These include cathode ray tubes, high-efficiency luminouslights, x-ray radiography screens, field emission display panels, and many more.Inorganic phosphor compounds come in a wide variety of forms and have a wide variety ofpracticalapp...
To suppress interactions between Molybdenum Trioxide and the Poly (3, 4-Ethylene Dioxy Thiophene) Polystyrene Sulfonate layer in organic solar cells, a Molybdenum Trioxide/Gold/Molybdenum Trioxide structure with a protective barrier Aluminum Oxide was developed (OSCs). Despite the fact that this structure's maximum optical transmittance was 66 perc...
This article reports the synthesis of un-doped and Dy 3+ doped Ca 2 Al 2 SiO 7 phosphor via conventional high temperature solid state reaction method. Phase identification is done with the help of X-Ray powder diffraction pattern. Debye Scherer's formula is used to find the average crystallite size of synthesized phosphors. Photoluminescence studie...
In order to make Al 2 MgSiO4: Eu (1% mol) and Gd 3+ (x%), the phosphors were prepared using the solution combustion method. Structure and luminescence properties were studied using X-ray diffractograms (XRD), emissions, decay times and glow curves. The materials had a monocline single-phase structure. Electron transition from the 4 f 6 (5 d 1 to th...
MgAlSiO 4 :xEu 2+ and MgAlSiO 4 :xGd 3+ are two different types of magnesium. PXRD and other luminescence analyses were performed on the materials, which were synthesized by solid-state reaction at T = 1300°C and investigated for their luminescence properties. The luminescence of all Eu and Gd-doped samples was extremely bright. Luminescence applic...
Trying to this paper, using of Frobenius method for the solving of identical problem of linear differential equation (LDE). Here, try to problem solve by simplified way to use the series solution method of Frobenious method.
CH3NH3PbI3/TiO2 nano-based heterojunction organometallic perovskite solar cells (HOPSCs) have fascinated a great deal of responsiveness due to their collective advantages of high efficiency and have shown a lightning future as a photovoltaic semiconductor in next era solar cells having noble and auspicious photochemical nature. In the last decay, w...
In this chapter, CH3CH2NH3SnI3/TiO2 heterojunction lead-free perovskite solar cell (HLFPSCs) is produced by the deposition of perovskite nanoparticles from a solution of CH3CH2NH3I and SnI3 in γ-hydroxyl butyric acid lactone on a 400 nm nanolayers of TiO2 showing (001) planes. The CH3CH2NH3SnI3 /TiO2 HLFSCs shows remarkable PV performance, with Jsc...
This work is based on the Lead-free Perovskites Solar Cells (LFPSCs) for the application of photovoltaic (PV). Here, the selection of Lead-free Perovskites Halide, it gives the magnificent properties of optoelectronics, synthesis, most favorable bandgap, and eco-friendly nature. Therefore, we select the CTB for this work and promise to the synthesi...
Using nano blending of lead-free perovskite organometalliccompound (MABO 3) is finding by blending of methylammonium and SnI 3. The structure of testing matterial and PV property is characterized on this work. The perovskite structure confirms by XRD analysis and it is havingan orthorhombic crystal phase structure, which can show the perovskite str...
In this work, CH 3 CH 2 NH 3 SnI 3 /TiO2 heterojunction lead-free perovskite solar cell (HLFPSCs), produced by the deposition of perovskite nanoparticles from a solution of CH 3 CH 2 NH 3 I and SnI 3 in γ-hydroxyl butyric acid lactone on a 400 nm nanolayers of TiO 2 showing (001) planes. The CH 3 CH 2 NH 3 SnI 3 /TiO 2 HLFSCs shows remarkable PV pe...
In this paper, we try to solve the stationary perturbation problem for the nondegenerate case.This case solves by using time-independent quantum approximation.Here, the Hamiltonian providing the solution of discreet eigen energy state with small and large disturbances of any quantum system.
High-performance solar-cell is designed for lead-free perovskite materials, synthesis of using for the organometallic halides. The perovskite materials having a high-efficiency charge carrier and identified low-cost materials based commercial photo-voltaic cell. It is an unusually breakthrough of the drawback of high-efficiency photo-voltaic solar-...
In this study first of ZnO nanorods were prepared by a simple CPP (chemical precipitation) techniques in the occurrence of capping agent Polyvinylpyrrolidone (PVP). XRD result shows that the creäte undoped ZnO nanorods have wurtzite hexagonal structure deprived of any impurities. The growth angle of the ready ZnO nanorods was [101] observed. The 49...
In this paper, the study of phase shift crystal structure and temperature dependent dielectric properties of modified one system ceramics using BNT-BZT. LF (Lead-free) BNT-BZT ceramics were successfully prepared using the CCP (chemical coprecipitation) method. A crest shift in XRD (X-ray diffraction) patterns, with the loss of numerous hkl reflecti...
Bismuth sodium titanate, Bi0.5Na0.5TiO3 (BNT) is one of the important ferroelectrics among the lead- free piezoelectric materials with large remnant polarization (Pr = 38 μC/cm2), high Curie temperature (Tc = 320°C), and shows diffuse phase transition (DPT) with perovskite structure. In addition to the DPT, two more phase transitions were reported a...
The ferroelectric perovskite-type ceramic materials having general formula ABO3 with different cationic distributions at A/B-sites are being investigated due to their important device applications such as in capacitors, piezoelectric ultrasonic transducers, electrostrictive actuators, SAW substrates. The doping or compositional changes in these cer...