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Materials Science

D-Index
76
Citations
39115
World Ranking
3208
National Ranking
894

Overview

Oomman K. Varghese is affiliated with the University of Houston in the United States and has a research focus primarily situated in the fields of Materials Science and Engineering. Their work spans various subfields including Materials Chemistry, Renewable Energy, Sustainability and the Environment, Biomedical Engineering, Electrical and Electronic Engineering, and Polymers and Plastics.

Their research topics and contributions concentrate on areas such as:

  • Advanced Photocatalysis Techniques
  • Graphene Research and Applications
  • Advanced Sensor and Energy Harvesting Materials
  • Gas Sensing Nanomaterials and Sensors
  • Graphene and Nanomaterials Applications
  • Supercapacitor Materials and Fabrication
  • TiO2 Photocatalysis and Solar Cells

Varghese has published extensively in venues that include:

  • ECS Meeting Abstracts
  • ACS Applied Materials & Interfaces
  • Applied Physics Letters
  • Materials Advances
  • Solar Energy Materials and Solar Cells

Notable recent papers include:

  • "Nanoporous WO3 films synthesized by tuning anodization conditions for photoelectrochemical water oxidation" (2020, Solar Energy Materials and Solar Cells)
  • "Single-Step Synthesis of Nitrogen-Doped Graphene Oxide from Aniline at Ambient Conditions" (2022, ACS Applied Materials & Interfaces)
  • "Fabrication of Nano-Onion-Structured Graphene Films from Citrus sinensis Extract and Their Wetting and Sensing Characteristics" (2020, ACS Applied Materials & Interfaces)
  • "On the relevance of understanding and controlling the locations of dopants in hematite photoanodes for low-cost water splitting" (2021, Applied Physics Letters)
  • "Poly(octadecyl acrylate)-Grafted Multiwalled Carbon Nanotube Composites for Wearable Temperature Sensors" (2020, ACS Applied Nano Materials)

Frequent collaborators in Varghese's research include Maggie Paulose, Mohan V. Jacob, David Waligo, Lilly Schaffer, and Muhammad Adeel Zafar. These collaborations reflect sustained partnerships in related research areas.

Best Publications

  • Use of highly-ordered TiO(2) nanotube arrays in dye-sensitized solar cells.

    Gopal K. Mor;Karthik Shankar;Maggie Paulose;Oomman K. Varghese

  • Titanium oxide nanotube arrays prepared by anodic oxidation

    Dawei Gong;Craig A. Grimes;Oomman K. Varghese;Wenchong Hu

  • A review on highly ordered, vertically oriented TiO2 nanotube arrays: Fabrication, material properties, and solar energy applications

    Gopal K. Mor;Oomman K. Varghese;Maggie Paulose;Karthik Shankar

  • Toward Solar Fuels: Photocatalytic Conversion of Carbon Dioxide to Hydrocarbons

    Somnath C. Roy;Oomman K. Varghese;Maggie Paulose;Craig A. Grimes

  • Enhanced Photocleavage of Water Using Titania Nanotube Arrays

    Gopal K. Mor;Karthik Shankar;Maggie Paulose;Oomman K. Varghese

  • Vertically aligned single crystal TiO2 nanowire arrays grown directly on transparent conducting oxide coated glass: synthesis details and applications

    Xinjian Feng;Karthik Shankar;Oomman K Varghese;Maggie Paulose

  • High-Rate Solar Photocatalytic Conversion of CO2 and Water Vapor to Hydrocarbon Fuels

    Oomman K. Varghese;Maggie Paulose;Thomas J. LaTempa;Craig A. Grimes

  • Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length

    Maggie Paulose;Karthik Shankar;Sorachon Yoriya;Haripriya E. Prakasam

  • Hydrogen sensing using titania nanotubes

    Oomman K. Varghese;Dawei Gong;Maggie Paulose;Keat G. Ong

  • Highly-ordered TiO2 nanotube arrays up to 220 µm in length: use in water photoelectrolysis and dye-sensitized solar cells

    Karthik Shankar;Gopal K Mor;Haripriya E Prakasam;Sorachon Yoriya

  • Recent Advances in the Use of TiO2 Nanotube and Nanowire Arrays for Oxidative Photoelectrochemistry

    Karthik Shankar;James I. Basham;Nageh K. Allam;Oomman K. Varghese

  • Crystallization and high-temperature structural stability of titanium oxide nanotube arrays

    Oomman K. Varghese;Dawei Gong;Maggie Paulose;Craig A. Grimes

  • Long vertically aligned titania nanotubes on transparent conducting oxide for highly efficient solar cells.

    Oomman K. Varghese;Maggie Paulose;Craig A. Grimes

  • Extreme Changes in the Electrical Resistance of Titania Nanotubes with Hydrogen Exposure

    Oomman K. Varghese;Dawei Gong;Maggie Paulose;Keat G. Ong

  • The Effect of Electrolyte Composition on the Fabrication of Self-Organized Titanium Oxide Nanotube Arrays by Anodic Oxidation

    Qingyun Cai;Maggie Paulose;Oomman K. Varghese;Craig A. Grimes

  • A new benchmark for TiO2 nanotube array growth by anodization

    Haripriya E. Prakasam;Karthik Shankar;Maggie Paulose;Oomman K. Varghese

  • Gas sensing characteristics of multi-wall carbon nanotubes

    O.K. Varghese;P.D. Kichambre;D. Gong;K.G. Ong

  • Fabrication of tapered, conical-shaped titania nanotubes

    G.K. Mor;Oomman K. Varghese;Maggie Paulose;Niloy Mukherjee

  • TiO2 Nanotube Arrays of 1000 μm Length by Anodization of Titanium Foil: Phenol Red Diffusion

    Maggie Paulose;Haripriya E. Prakasam;Oomman K. Varghese;Lily Peng

  • Transparent Highly Ordered TiO2 Nanotube Arrays via Anodization of Titanium Thin Films

    Gopal K. Mor;Oomman K. Varghese;Maggie Paulose;Craig A. Grimes

Frequent Co-Authors

Craig A. Grimes
Craig A. Grimes Pennsylvania State University
Maggie Paulose
Maggie Paulose University of Houston
Gopal K. Mor
Gopal K. Mor Pennsylvania State University
Karthik Shankar
Karthik Shankar University of Alberta
Keat Ghee Ong
Keat Ghee Ong University of Oregon
Elizabeth C. Dickey
Elizabeth C. Dickey Carnegie Mellon University
Chandra Sekhar Tiwary
Chandra Sekhar Tiwary Indian Institute of Technology Kharagpur
Shuo Chen
Shuo Chen University of Houston
Ching-Wu Chu
Ching-Wu Chu Lawrence Berkeley National Laboratory
Pulickel M. Ajayan
Pulickel M. Ajayan Rice University

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