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3 results on '"G. Gope"'

1. CdS quantum dot sensitized zinc oxide based solar cell with aluminum counter electrode

Author

Siddhartha Sankar Nath, Madhuchhanda Choudhury, Abhigyan Ganguly, and G. Gope

Subjects
Auxiliary electrode, Materials science, Physics and Astronomy (miscellaneous), business.industry, Materials Science (miscellaneous), chemistry.chemical_element, Zinc, Condensed Matter Physics, law.invention, Mathematics (miscellaneous), chemistry, Aluminium, Quantum dot, law, Solar cell, Optoelectronics, business
Published
2017
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2. SnO2 quantum dots for nano light emitting devices

Author

G. Gope, Abhigyan Ganguly, Siddhartha Sankar Nath, and Maitreyi Ray Kanjilal

Subjects
Quenching (fluorescence), Materials science, Physics and Astronomy (miscellaneous), Polyvinylpyrrolidone, business.industry, Materials Science (miscellaneous), Condensed Matter Physics, Mathematics (miscellaneous), Quantum dot, Nano, medicine, Optoelectronics, business, medicine.drug
Published
2017
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3. Synthesis of silver nanoparticles and their optical properties

Author

Ramendhu Bhattacharjee, Siddarth S. Nath, D. Chakdar, Ratan Das, and G. Gope

Subjects
Nanostructure, Materials science, Absorption spectroscopy, Biomedical Engineering, Analytical chemistry, Nanoparticle, Bioengineering, Silver nanoparticle, Silver nitrate, chemistry.chemical_compound, chemistry, Transmission electron microscopy, General Materials Science, Surface plasmon resonance, Absorption (chemistry)
Abstract

Silver nanoparticles have been synthesised by chemical reduction of silver nitrate solution by ethanol. The samples have been characterised by X-ray diffraction study. Transmission electron microscopy reveals the nanostructure of the particles produced. This study infers that the particles are mostly spherical in shape and the sizes are within 18 nm. The surface plasmon resonance peak in the UV-Vis absorption spectra shows maximum absorption at 422 nm. Fluorescence spectra of silver nanoparticles, which show an emission peak at 470 nm have also been studied.

Published
2010
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