Raju Kumar Gupta

ORCID: 0000-0002-5537-8057
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Research Areas
  • Conducting polymers and applications
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Advanced Photocatalysis Techniques
  • Advanced Sensor and Energy Harvesting Materials
  • Perovskite Materials and Applications
  • TiO2 Photocatalysis and Solar Cells
  • Quantum Dots Synthesis And Properties
  • Supercapacitor Materials and Fabrication
  • Dielectric materials and actuators
  • Advanced Nanomaterials in Catalysis
  • Ferroelectric and Piezoelectric Materials
  • biodegradable polymer synthesis and properties
  • Nanocluster Synthesis and Applications
  • Natural Fiber Reinforced Composites
  • Chalcogenide Semiconductor Thin Films
  • Organic Electronics and Photovoltaics
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Nanoparticles: synthesis and applications
  • Nanomaterials for catalytic reactions
  • Luminescence and Fluorescent Materials
  • Molecular Junctions and Nanostructures
  • Carbon and Quantum Dots Applications
  • Advanced Cellulose Research Studies

Indian Institute of Technology Kanpur
2015-2024

Indian Institute of Science Education and Research, Bhopal
2023

Georgia Institute of Technology
2023

Peking University
2023

Royal Society of Chemistry
2023

Indian Institute of Technology Delhi
2023

University of Chicago
2023

Heidelberg University
2023

University of Nottingham
2023

University of Washington
2023

The effective utilization of raw natural fibers as indispensable component in polymers for developing novel low-cost eco-friendly composites with properties such acceptable specific strength, low density, high toughness, good thermal properties, and biodegradability is one the most rapidly emerging fields research polymer engineering science. In fact, fiber–reinforced are subject numerous scientific projects, well many commercial programs. Keeping mind immense advantages fibers, present...

10.1080/1023666x.2014.880016 article EN International Journal of Polymer Analysis and Characterization 2014-02-12

Water soluble carbon quantum dots were synthesized from lemon peel waste and used for Cr<sup>6+</sup> detection photocatalytic degradation of methylene blue dye.

10.1039/c6ra10488f article EN RSC Advances 2016-01-01

Current advances and future challenges in the field of miniaturized electrochemical energy storage devices are highlighted discussed.

10.1039/c5ta05666g article EN cc-by-nc Journal of Materials Chemistry A 2015-01-01

There is a growing interest in multifunctional nanomaterials for the detection as well degradation of organic contaminants water. In this work, we report on development dual functional TiO2 nanofibers (TNF) with different tantalum (Ta) doping (1-10 mol %) by simple electrospinning technique. As-prepared TNF show mesoporous dominant structure, which are favorable photocatalytic activity due to presence catalytic spots. Ta decreases crystalline size within matrix because incorporation Ta5+...

10.1021/acsami.7b07571 article EN ACS Applied Materials & Interfaces 2017-08-04

Fundamentals of doping engineering strategies metal oxide semiconductors and various charge transfer processes for emerging SERS applications are discussed.

10.1039/d1tc04886d article EN Journal of Materials Chemistry C 2021-12-14

Abstract There is currently substantial interest in commercializing perovskite solar cells as they offer superior properties over silicon-based cells, such ability for bandgap tuning, higher absorption coefficients, and potentially lower manufacturing costs. However, trap states originating from ionic vacancies, imperfect interfaces, grain boundaries have hampered their performance long-term stability during operation. Identifying quantifying defects becomes inevitable to address these...

10.1038/s43246-023-00379-y article EN cc-by Communications Materials 2023-07-11

We present the room-temperature sensing of gold nanoparticle (AuNP)-functionalized In(2)O(3) nanowire field-effect transistor (NW-FET) for low-concentration CO gas. AuNPs were functionalized onto nanowires via a self-assembled monolayer p-aminophenyltrimethoxysilane (APhS-SAM). The mounted Au electrodes with both ends in Schottky contacts. High sensor response toward low concentration gas (200 ppb-5 ppm) at room temperature is achieved. presence on surface serves to enhance oxidation due...

10.1021/am101259t article EN ACS Applied Materials & Interfaces 2011-06-22

In this work, Au@Ag core–shell nanoparticles (NPs) with variable Ag shell thickness were synthesized and immobilized on TiO<sub>2</sub>nanofibers (TNF).

10.1039/c6cy02085b article EN Catalysis Science & Technology 2016-12-12

Dielectric polymer nanocomposites with a high breakdown field and dielectric constant have drawn significant attention in modern electrical electronic industries due to their potential applications energy storage systems. The interfaces of the nanomaterials play role improving performance nanocomposites. In this work, polydopamine (dopa)-functionalized TiO2–BaTiO3–TiO2 (TiO2–BT–TiO2@dopa) core@double-shell nanoparticles been developed as novel nanofillers for high-energy-density capacitor...

10.1021/acsami.9b01359 article EN ACS Applied Materials & Interfaces 2019-03-20

10.1016/j.ijbiomac.2013.08.026 article EN International Journal of Biological Macromolecules 2013-08-27
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