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  1. Article

    Double Perovskite Tandem Solar Cells: Design and Performance Investigation of the Use of CABB and CCSC as Top and Bottom Cell Absorber Materials

    Double-junction tandem solar cells (TSCs), featuring a wide-bandgap top cell (TC) and narrow-bandgap bottom cell (BC), outperform single-junction photovoltaics, demanding meticulous subcell selection and optim...

    Pritam Kumar, Amitesh Kumar in Journal of Electronic Materials (2024)

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    Article

    Device Engineering of Lead-free Double Perovskite (Cs4CuSb2Cl12 & Cs2AgBiBr6)/Crystalline Silicon High-Performance Eco-friendly Tandem Solar Cells

    Lead-free double perovskites are a newly developed category of non-toxic material with impressive photoelectric properties and excellent inherent environmental stability. This study explores the design and per...

    Pritam Kumar, Amitesh Kumar in Silicon (2024)

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    Article

    A Novel Adaptive Flower Pollination Algorithm for Maximum Power Tracking of Photovoltaic Systems Under Dynamic Shading Conditions

    Maximum power point (MPP) technique in photovoltaic (PV) systems implements a tracking controller, which is utilized to optimize the energy production under variable atmospheric conditions. The tracking proces...

    Balmukund Kumar, Amitesh Kumar in Iranian Journal of Science and Technology,… (2024)

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    Article

    FASnI3 and FAMASnGeI3 as absorbers with TCOs as ETLs for eco-friendly high-performance perovskite solar cells

    This work presents a study on novel lead-free Perovskite Solar Cells (PSCs) based on new lead-free absorbers (FASnI3 and FAMASnGeI3) that have been designed, optimized and analyzed through comparison with other e...

    Parshuram Singh, Brajendra Singh Sengar, Amitesh Kumar in Journal of Optics (2024)

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    Article

    Device optimization of FASnI3 / MAPbI3 tandem solar cells: evaluating carrier recombination and engineering parameters for high PCE

    This study introduces the design and optimization of a perovskite-–perovskite tandem solar cell (PPTSC) composed of all perovskite absorber materials. The optimization process involved individual tuning of top...

    Parshuram Singh, Amitesh Kumar in Journal of Materials Science: Materials in Electronics (2024)

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    Article

    Label-free femto molar level electrochemical dopamine sensor based on amorphous carbon-coated pencil graphite electrode

    A new promising low-cost amorphous carbon pencil graphite electrode (APGE) based electrochemical sensor for ultra-low-level detection of dopamine (DA) is proposed. The presence of high sp3 carbon atoms in amorpho...

    Deepti, Partha Sarathi Mondal, Amitesh Kumar in Journal of Materials Science: Materials in… (2024)

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    Article

    Effective-diode-based analysis of industrial solar photovoltaic panel by utilizing novel three-diode solar cell model against conventional single and double solar cell

    Currently, the majority of the country has moved to renewable energy sources for electricity generation, and power companies are concentrating their efforts on renewable resources. Solar, wind, hydropower, and...

    Rahul Kumar, Amitesh Kumar in Environmental Science and Pollution Research (2024)

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    Article

    Experimental Study and Optimization of Process Parameters for Producing Semi-Solid A392 Alloy Using Vibration-Assisted Cooling Slope Process Integrated with Mould Vibration

    The present study investigates the impact of integrating mould vibration with the vibration-assisted cooling slope (VCS) process on the microstructural and mechanical properties of A392 alloy and the optimizat...

    Mukkollu Samba Siva Rao, Amitesh Kumar in International Journal of Metalcasting (2024)

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    Article

    Device Engineering of Highly-Efficient Eco-Friendly Novel FASnI3 Based Tandem Photovoltaic Cells

    Power Conversion Efficiency (PCE) of Silicon-based Solar Cells (SiSC) has nearly stagnated, which has led to extensive research in area of the Perovskite Solar Cell (PSC) as well as their tandem configuration ...

    Parshuram Singh, Amitesh Kumar in Silicon (2024)

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    Article

    High-performance optimization and analysis of Cs2AgBiBr6-based lead-free double perovskite solar cells

    This work focuses on designing novel perovskite solar cells (PSCs) by working on the stability issues, the presence of lead in the PSC's structure, and its innately low efficiency. This work aims to overcome l...

    Pritam Kumar, Amitesh Kumar in Journal of Materials Science: Materials in Electronics (2023)

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    Article

    Development of Fe–Cr Slag mold for Al–Si Alloy (A356) Casting

    The Indian foundry industries are facing problems to produce the casting at a lower cost due to an increase in the cost of the raw materials. On the other hand, the use of Fe–Cr slag as a mold material in foun...

    Ramesh Kumar Nayak, Jatin Sadarang, Amitesh Kumar in International Journal of Metalcasting (2023)

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    Article

    Device engineering of double perovskite based solar cells towards high-performance, eco-friendly solar cells

    Conventional lead halide Perovskite Solar Cells (PSC) have toxicity and stability issues. Therefore it is crucial to look for lead-free inorganic perovskite material, such as La2NiMnO6, RbGeI3, CsGeI3, Cs2AgBiBr6

    Parshuram Singh, Amitesh Kumar in Optical and Quantum Electronics (2023)

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    Article

    Investigation and Development of 3D Printed Conventional Shape Compact UWB-DRAs for Societal Applications

    The potential of polylactic acid (PLA) material as an ultra-wide band (UWB)-dielectric resonator antenna (DRA) created by 3D-printing technique are described in this scientific paper. PLA is an exceptional sor...

    Jitendra Kumar, Pramod Kumar, Shailendra Singh in Wireless Personal Communications (2021)

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    Article

    Investigations on the Performance Characteristics of Carbon Nano-tubes, Alumina and Titanium Dioxide Based Plasma Sprayed Coatings on AISI 1020 Steel

    The current study deals with the investigation on the performance characteristics of varying composition of coating mixture comprising carbon nano-tube, alumina and titanium dioxide on the thermal spray coatin...

    Vijayanand Palani, Amitesh Kumar in International Journal of Precision Enginee… (2021)

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    Chapter and Conference Paper

    Microstructure and Mechanical Properties of Al–Cu–Mg Alloy Produced by Non-contact Ultrasonic Casting Route

    Non-contact ultrasonic vibration during solidification of castings is a new technique to refine the grain size and to get good mechanical properties. In this work, comparative study of non-contact ultrasonic c...

    Sneh Suman, Mukkollu Sambasiva Rao in Recent Advances in Mechanical Engineering (2021)

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    Chapter

    Receiver Architectures for 5G: Current Status and Future Prospects

    In this chapter, the recent progress in receiver architecture and various aspects of the available receiver architectures have been discussed. Besides, an overview of the systematic classification of architect...

    Amitesh Kumar, Brajendra Singh Sengar in CMOS Analog IC Design for 5G and Beyond (2021)

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    Chapter

    GaN-Based Technology for 5G Applications

    This chapter presents the GaN-based different devices for 5G applications. It includes the design and performance optimization of devices for the above mentioned application. The comparison between Si-based de...

    Brajendra Singh Sengar, Amitesh Kumar in CMOS Analog IC Design for 5G and Beyond (2021)

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    Chapter and Conference Paper

    A Novel Technique for Reduction of Total Harmonic Distortion of Connected Hybrid Microgrid

    A new approach for examining total harmonic distortion (THD) of wind and photovoltaic (PV) system-based distributed hybrid generator is proposed. The sources are linked to the grid in this scheme through a sta...

    Rahul Kumar, Anjani K. Prajapati in Proceedings of Symposium on Power Electron… (2021)

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    Chapter and Conference Paper

    DST-ML-EkNN: Data Space Transformation with Metric Learning and Elite k-Nearest Neighbor Cluster Formation for Classification of Imbalanced Datasets

    Most of the real-world datasets suffer from the problem of imbalanced class representation, with some classes having more than sufficient samples, while some other classes are heavily underrepresented. The imb...

    Seba Susan, Amitesh Kumar in Advances in Artificial Intelligence and Data Engineering (2021)

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    Chapter

    Introduction to 5G Telecommunication Network

    In this chapter, the requirements and characteristics of the 5G network are discussed at an introductory level. 5G wireless networks operate at much higher frequencies (30–300 GHz) than their 4G predecessor ne...

    Mangal Das, Amitesh Kumar in CMOS Analog IC Design for 5G and Beyond (2021)

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