2026 Karthik Shankar: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	67	5008	4847	77	72	225	25922

Overview

Karthik Shankar is affiliated with the University of Alberta in Canada and has a research focus within the fields of Materials Science and Engineering. Their scholarly output reflects significant contributions across multiple subfields, particularly Materials Chemistry, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Biomedical Engineering, and Electronic, Optical and Magnetic Materials.

The primary topics of their research include:

Advanced Photocatalysis Techniques
Perovskite Materials and Applications
Quantum Dots Synthesis And Properties
Copper-based Nanomaterials and Applications
Electronic and Structural Properties of Oxides
Gold and Silver Nanoparticles Synthesis and Applications
2D Materials and Applications

Shankar has published extensively in peer-reviewed venues, with frequent publications in:

ACS Applied Materials & Interfaces
Nanotechnology
Journal of Clinical Oncology
ECS Meeting Abstracts
Nanomaterials

Representative recent papers authored or coauthored by Shankar include:

Optical control of selectivity of high rate CO2 photoreduction via interband- or hot electron Z-scheme reaction pathways in Au-TiO2 plasmonic photonic crystal photocatalyst (2020, Applied Catalysis B: Environmental)
Double peak emission in lead halide perovskites by self-absorption (2020, Journal of Materials Chemistry C)
Photocatalytic Mechanism Control and Study of Carrier Dynamics in CdS@C₃N₅ Core-Shell Nanowires (2021, ACS Applied Materials & Interfaces)
Hot Electrons in TiO2-Noble Metal Nano-Heterojunctions: Fundamental Science and Applications in Photocatalysis (2021, Nanomaterials)
Asymmetric Multipole Plasmon-Mediated Catalysis Shifts the Product Selectivity of CO₂ Photoreduction toward C₂₊ Products (2021, ACS Applied Materials & Interfaces)

Frequent collaborators in Shankar's research include:

Kazi M. Alam
Narendra Chaulagain
Pawan Kumar
John Garcia
Harshitha Rajashekhar

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

2826
Citations
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

2632
Citations
Enhanced Photocleavage of Water Using Titania Nanotube Arrays

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

1501
Citations
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

1378
Citations
Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length

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

1147
Citations
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

998
Citations
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

945
Citations
A new benchmark for TiO2 nanotube array growth by anodization

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

820
Citations
C3N5: A Low Bandgap Semiconductor Containing an Azo-Linked Carbon Nitride Framework for Photocatalytic, Photovoltaic and Adsorbent Applications.

Pawan Kumar;Ehsan Vahidzadeh;Ujwal K. Thakur;Piyush Kar

762
Citations
Vertically oriented Ti-Fe-O nanotube array films: toward a useful material architecture for solar spectrum water photoelectrolysis.

Gopal K Mor;Haripriya E Prakasam;Oomman K Varghese;Karthik Shankar

458
Citations
High carrier density and capacitance in TiO2 nanotube arrays induced by electrochemical doping.

Francisco Fabregat-Santiago;Eva M. Barea;Juan Bisquert;Gopal K. Mor

439
Citations
Application of highly-ordered TiO2 nanotube-arrays in heterojunction dye-sensitized solar cells

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

433
Citations
Backside illuminated dye-sensitized solar cells based on titania nanotube array electrodes

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

410
Citations
P-type Cu--Ti--O nanotube arrays and their use in self-biased heterojunction photoelectrochemical diodes for hydrogen generation.

Gopal K. Mor;Oomman K. Varghese;Rudeger H. T. Wilke;Sanjeev Sharma

367
Citations
Highly Efficient Solar Cells using TiO2 Nanotube Arrays Sensitized with a Donor-Antenna Dye

Karthik Shankar;Jayasundera Bandara;Maggie Paulose;Helga Wietasch

359
Citations
Visible to near-infrared light harvesting in TiO2 nanotube array-P3HT based heterojunction solar cells.

Gopal K. Mor;Sanghoon Kim;Maggie Paulose;Oomman K. Varghese

334
Citations
Water-photolysis properties of micron-length highly-ordered titania nanotube-arrays.

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

326
Citations
Visible light photoelectrochemical and water-photoelectrolysis properties of titania nanotube arrays

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

326
Citations
High efficiency double heterojunction polymer photovoltaic cells using highly ordered TiO2 nanotube arrays

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

318
Citations
Photoelectrochemical and water photoelectrolysis properties of ordered TiO2 nanotubes fabricated by Ti anodization in fluoride-free HCl electrolytes

Nageh K. Allam;Karthik Shankar;Craig A. Grimes

303
Citations