Dheeraj Kumar

ORCID: 0000-0001-8295-661X
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Crystallography and molecular interactions
  • Advanced Photocatalysis Techniques
  • Natural Fiber Reinforced Composites
  • Tribology and Wear Analysis
  • Conducting polymers and applications
  • Polymer Nanocomposites and Properties
  • Organometallic Complex Synthesis and Catalysis
  • Gas Sensing Nanomaterials and Sensors
  • Advanced Sensor and Energy Harvesting Materials
  • Synthesis and characterization of novel inorganic/organometallic compounds
  • N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
  • 2D Materials and Applications
  • Coordination Chemistry and Organometallics
  • Perovskite Materials and Applications
  • Shape Memory Alloy Transformations
  • Copper-based nanomaterials and applications
  • Flame retardant materials and properties
  • Surface Modification and Superhydrophobicity
  • Advanced Machining and Optimization Techniques
  • Supercapacitor Materials and Fabrication
  • Dielectric materials and actuators
  • Lubricants and Their Additives
  • Pickering emulsions and particle stabilization

National Institute of Technology Warangal
2020-2024

Indian Institute of Technology Delhi
2014-2024

Inha University
2024

Homi Bhabha National Institute
2023

Jain University
2023

Shri Ramswaroop Memorial University
2023

National Institute of Technology Delhi
2021

Raisoni Group of Institutions
2021

Birla Institute of Technology and Science - Hyderabad Campus
2021

Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya
2015-2019

This work establishes a very simple and economical preparation of paper-based triboelectric nanogenerators for self-powered LPG sensing. Magnification in the output TENG was achieved by ZnO/SnO 2 synthesized hydrothermal. material has been thoroughly characterized through XRD, UV, FESEM, FTIR, Nanozetasizer. The average crystallite size heterostructure obtained as 17.59 nm. Bandgap found 3.49 eV. FESEM exhibits that present spherical nature with lots voids on film surface. From...

10.1149/2754-2726/aca48b article EN cc-by ECS Sensors Plus 2022-11-21

Supercapacitors have garnered substantial interest owing to their capacity deliver power effectively for short-term applications. However, current supercapacitors suffer from limited stability and low-capacity storage. Metal-organic frameworks (MOFs) emerged as a promising solution due high surface area abundant active redox sites. MOF-based electrodes combined with aqueous based electrolytes shown potential enhance supercapacitor performance. While there is literature on MIL-101(Fe)...

10.3390/cryst13111547 article EN cc-by Crystals 2023-10-28

The first examples of ring-closing metathesis (RCM) reactions a series terminal alkene-derived cyclic phosphazenes have been carried out. tetrakis-, hexakis-, and octakis(allyloxy)cyclophosphazenes (NPPh(2))(NP(OCH(2)CH=CH(2))(2))(2) (1), N(3)P(3)(OCH(2)CH=CH(2))(6) (2), N(4)P(4)(OCH(2)CH=CH(2))(8) (3) the tetrakis(allyloxy)-S-phenylthionylphosphazene (NS(O)Ph)[NP(OCH(2)CH=CH(2))(2)](2) (4) were prepared by CH(2)=CHCH(2)ONa with cyclophosphazenes (NPPh(2))(NPCl(2))(2), N(3)P(3)Cl(6),...

10.1021/ic101884s article EN Inorganic Chemistry 2010-11-29

In this work, MoSe2-WS2 nanocomposites consisting of WS2 nanoparticles covered with few MoSe2 nanosheets were successfully developed via an easy hydrothermal synthesis method. Their nanostructure and photocatalytic hydrogen evolution (PHE) performance are investigated by a series characterization techniques. The PHE rate is evaluated under the white light LED irradiation. Under illumination, highest nanocomposite 1600.2 µmol g-1 h-1. When compared pristine WS2, nanostructures demonstrated...

10.3390/nano12071160 article EN cc-by Nanomaterials 2022-03-31

Abstract Thermal cracking of SAE 40 lube oil contamination is a critical process for maintaining the efficiency and longevity industrial machinery automotive engines. This study investigates mechanisms outcomes thermal as method to decompose remove contaminants from (SAE40) possibility use solid coke produced residue after process. The research also examines optimal conditions cracking, including temperature ranges, heating rates, influence catalysts. Analytical techniques such...

10.1088/2053-1591/ada5c3 article EN cc-by Materials Research Express 2025-01-01

Conversion of styrofoam waste into high-performance energy storage material: graphene quantum dots coated cPAN matrix yields 78 times capacitance improvement.

10.1039/d4su00153b article EN cc-by-nc RSC Sustainability 2024-01-01

Sodium niobate nanofibers (NaNbO3-NF) have been synthesized using a hydrothermal technique and further coupled with visible light responsive graphitic carbon nitride (g-C3N4) nanosheets in different concentration ratios of 2:1 (2-CN), 4:1 (4-CN) 8:1 (8-CN). A significant improvement the photoelectrochemical (PEC) performance g-C3N4/NaNbO3-NF nanostructured photoanode compared to bare NaNbO3 is observed. current density 12.55 mA cm−2 at 1 V respect Ag/AgCl reference electrode achieved for...

10.1088/1361-6528/ab59a1 article EN Nanotechnology 2019-11-20
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