Ratan Debnath

Publications

Ultraviolet photodetectors based on transition metal oxides

September 01, 2016

Author(s):

Ratan K. Debnath, Albert Davydov

Ultraviolet (UV) photodetector (PD) has attracted extensive attention owing to their broad application in digital imaging, missile plume detection, optical...

Windowless CdSe/CdTe Solar Cells with Differentiated Back Contacts: J-V, EQE and Photocurrent Mapping

August 26, 2016

Author(s):

Daniel Josell, Ratan K. Debnath, Jong Yoon Ha, Jonathan E. Guyer, Nhan V. Nguyen, M. A. Sahiner, C Reehil, W. A. Manners

This paper presents a study of windowless CdSe/CdTe thin film photovoltaic devices with in-plane patterning at a submicrometer length scale. The photovoltaic...

An Antimony Selenide Molecular Ink for Flexible Broadband Photodetectors

August 03, 2016

Author(s):

Ratan K. Debnath, MD R. Hasan, Arunima Singh, Vladimir P. Oleshko, Shiqi Guo, Asha Rani, Abhishek Motayed, Nhan V. Nguyen, Albert Davydov

The need for low-cost high-performance broadband photon detection with sensitivity in the near infrared (NIR) has driven interest in new materials that combine...

Structural and optical nanoscale analysis of GaN core-shell microrod arrays fabricated by combined top-down and bottom-up process on Si (111)

May 15, 2016

Author(s):

Sergiy Krylyuk, Marcus Muller, Gordon Schmidt, Sebastian Metzner, Peter Veit, Frank Bertram, Ratan K. Debnath, Jong Yoon Ha, Baomei Wen, Paul T. Blanchard, Alexana Roshko, Abhishek Motayed, Matthew R. King, Albert Davydov, Jurgen Christen

Large arrays of GaN core-shell microrods were fabricated on Si(111) substrates applying a combined bottom-up and top-down approach which includes inductively...

UV-assisted NO2 sensing at room temperature using rf-sputtered TiO2 thin film

December 25, 2015

Author(s):

Ting Xie, Nichole Sullivan, Kristen L. Steffens, Baomei Wen, Guannan Liu, Ratan K. Debnath, Albert Davydov, Romel D. Gomez, Abhishek Motayed

A TiO2 thin film based NO2 sensor that operates at room temperature under ultraviolet (UV) illumination was fabricated via radio frequency (rf) sputtering. The...