Melepurath Deepa

ORCID: 0000-0001-7070-5100
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Conducting polymers and applications
  • Transition Metal Oxide Nanomaterials
  • Quantum Dots Synthesis And Properties
  • Supercapacitor Materials and Fabrication
  • Advanced Photocatalysis Techniques
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Gas Sensing Nanomaterials and Sensors
  • TiO2 Photocatalysis and Solar Cells
  • Chalcogenide Semiconductor Thin Films
  • Advanced Sensor and Energy Harvesting Materials
  • Advanced battery technologies research
  • Analytical Chemistry and Sensors
  • Perovskite Materials and Applications
  • Copper-based nanomaterials and applications
  • Electrochemical sensors and biosensors
  • ZnO doping and properties
  • Advanced Battery Technologies Research
  • Nanowire Synthesis and Applications
  • Fuel Cells and Related Materials
  • Electrocatalysts for Energy Conversion
  • Organic Electronics and Photovoltaics
  • Ga2O3 and related materials
  • Polyoxometalates: Synthesis and Applications
  • Luminescence Properties of Advanced Materials

Indian Institute of Technology Hyderabad
2016-2025

Alagappa University
2023

Christ University
2023

Sri Venkateswara University
2019-2021

MNR Medical College and Hospital
2015-2020

University of Hyderabad
2020

International Advanced Research Centre for Powder Metallurgy and New Materials
2014

Ordnance Survey
2014

All Saints Hospital
2013

Kuvempu University
2012

Towards increasing the stability of perovskite solar cells, addition Cs<sup>+</sup>is found to be a rational approach.

10.1039/c6cp08022g article EN Physical Chemistry Chemical Physics 2017-01-01

A molybdenum dioxide/multiwalled carbon nanotubes (MoO2/MWCNT) hybrid composed of spherical flowerlike nanostructures MoO2, interconnected by MWCNTs has been prepared a one-step hydrothermal route. The growth MoO2 nanoparticles into floral shapes with monoclinic crystalline structure is steered the dioctyl sulfosuccinate surfactant. one-dimensional electron transport pathways provided MWCNTs, which are in direct contact nanostructures, impart an enhanced reversible lithium storage capacity...

10.1021/am3031536 article EN ACS Applied Materials & Interfaces 2013-03-12

Composite thin films of poly(3,4-ethylenedioxythiophene) (PEDOT)-enwrapped functionalized multiwalled carbon nanotubes (MWCNTs) have been synthesized over multiple length scales by electropolymerization the monomer without use any other supporting electrolyte. The MWCNTs are incorporated into positively charged polymer deposit as counterions during oxidative electropolymerization. morphology, electrochemistry, and electrochromism PEDOT-MWCNT compared with those control PEDOT doped triflate...

10.1021/jp9012976 article EN The Journal of Physical Chemistry B 2009-06-22

Nanocomposite assemblies of poly(3,4-ethylenedioxythiophene) (PEDOT), embedded with (a) fluoro alkyl phosphate based ionic liquid functionalized graphene (ILFG) and (b) reduced oxide (RGO) prepared from a modified Hummers' method, have been synthesized. Defect free nanosheets within the size few nanometers were achieved in PEDOT−ILFG nanocomposite. In contrast, structures comprising wrinkles interspersed amorphous polymer obtained PEDOT−RGO X-ray photoelectron spectroscopy showed that neat...

10.1021/am101255a article EN ACS Applied Materials & Interfaces 2011-03-17

We report a facile method to synthesize poly(3,4-ethylenedioxythiophene) (PEDOT) films at room temperature in waterproof ionic liquid, 1-ethyl-3-methylimidazolium bis(perfluoroethylsulfonyl)imide (EMIPFSI), by electropolymerization. The liquid leads the formation of randomly oriented nanofibers and particles confined submicrometer-sized domains film microstructure. X-ray photoelectron spectroscopy (XPS) energy-dispersive (EDX) studies provide information about intercalation cation apart from...

10.1021/la702442c article EN Langmuir 2007-10-04

A novel yet inexpensive quantum dot solar cell (QDSC) configuration relying on Förster resonance energy transfer (FRET) from electrode bound excited cadmium sulfide (CdS) dots ensconced in zinc (ZnS) monolayers to unattached copper phthalocyanine (CuPc) molecules, dissolved a free standing ion based gel polymeric electrolyte, is presented. Luminescent and conducting carbon (C-dots) are incorporated the anode improve electron transport characteristics of photoactive assembly. Fluorescence...

10.1039/c3ta01601c article EN Journal of Materials Chemistry A 2013-01-01

VO2 (B) nanorods with average width ranging between 50–100 nm are synthesized via a hydrothermal method and the post treatment drying temperature is found to be influential in their overall phase growth morphology evolution. The unusually high optical bandgap for material effective enhancing thermal performance of ethylene glycol nanofluids over wide range as indicated by dependent conductivity measurements. Humidity LPG sensors fabricated using bear testament efficient sensing performance,...

10.1039/c4nr06032f article EN Nanoscale 2015-01-01

Photo-supercapacitors (PSCs) combine functions of energy harvesting and storage in a single device, this study, new architecture for PSC is designed implemented. Cadmium sulfide (CdS) quantum dots/hibiscus (hb) dye co-sensitized TiO2 used as the solar cell. Poly(3,4-ethylenedioxypyrrole) (PEDOP)@manganese dioxide (MnO2) employed counter electrode (CE) cell also electrodes symmetric supercapacitor. The two ends long flat current collector support spatially separated PEDOP@MnO2 coatings, which...

10.1021/acsami.8b11399 article EN ACS Applied Materials & Interfaces 2018-09-25

Long-lasting Li–Se cells with a Se/graphite platelet nanofiber (GPNF) composite is prepared for the first time, and it shows reversible capacity of 489 384.7 mAh gSe–1 after 200 350 charge/discharge cycles, respectively. It superior rate capability low Se polarization even high (75 wt %) proportion. also higher better cycling stability compared to conventional Se/carbon material composites (with graphene oxide (GO), reduced GO, carbon nanotubes). The effectiveness GPNFs as conductive support...

10.1021/acsenergylett.7b00251 article EN publisher-specific-oa ACS Energy Letters 2017-05-03

Nickel cobalt-metal–organic framework (NiCo-MOF), with a semihollow spherical morphology composed of rhombic dodecahedron nanostructures, was synthesized using scalable and facile wet chemical route. Such structure endowed the material open pores, which enabled rapid ion ingress egress, high effective surface area MOF allowed uptake release large number electrolyte ions during charge–discharge. By combining this NiCo-MOF cathode highly porous carbon (PC) anode (derived from naturally grown...

10.1021/acsami.0c10883 article EN ACS Applied Materials & Interfaces 2020-08-25

The hierarchical heterostructure of NiMoO4@NiMnCo2O4 (NMO@NMCO) with furry structures NMCO juxtaposed NMO nanowires are endowed multiple electrochemically active and accessible sites for ion storage, thus delivering an ultrahigh specific capacitance 2706 F g–1, nearly two-fold times greater than that sole NMCO. Electrodeposition overlayer a highly robust electrically conducting polymer, poly(3,4-propylenedioxythiophene) (PProDOT), not only improves the energy storage performance but also...

10.1021/acsami.1c07064 article EN ACS Applied Materials & Interfaces 2021-07-16

Single crystals and a polycrystalline sample of BaCeCuS 3 were synthesized characterized. The semiconducting shows ultralow thermal conductivity (0.32 W m −1 K at 773 K) is promising for thermoelectric photovoltaic applications.

10.1039/d2nj06301h article EN New Journal of Chemistry 2023-01-01

A potential driven self-assembly of sodium dodecyl sulfate/tungsten oxide aggregates at the electrolyte-electrode interface followed by template extraction and annealing yielded mesoporous thin films electrochromic tungsten (WO(3)). Electron microscopy images revealed that are characterized a hitherto unreported hybrid structure comprising nanoparticles nanorods with tetragonal crystalline phase WO(3) measured lattice parameters: = 0.53 nm c 0.37 nm. In addition to pentagonal voids...

10.1088/0957-4484/17/10/030 article EN Nanotechnology 2006-04-28

As-deposited sol-gel derived amorphous tungsten oxide films transform into nanostructured with an interconnected framework of grains and pores a dominant triclinic crystalline phase upon annealing at . Transmission electron microscopy scanning images clearly reveal the annealing-induced microstructural evolution for film. Subsequent to lithium intercalation, film annealed shows quasi-reversible structural changes, as ascertained by X-ray diffraction Fourier infrared spectral data. Dynamic...

10.1149/1.2184072 article EN Journal of The Electrochemical Society 2006-01-01
Coming Soon ...