Synthesis and Characterization of Cu3VSxSe4-x Nanocrystals: Intermediate Band Gap and Potential Solar Energy Application.

Synthesis and Characterization of Cu3VSxSe4-x Nanocrystals: Intermediate Band Gap and Potential Solar Energy Application.

Presenter(s)

Soham Kadam, Godwin Mante, Nikunjkumar Padhiyar

Comments

3:00-4:15, Kennedy Union Ballroom

Description

Semiconductors with intermediate bandgaps have gained significant attention for enhancing photovoltaic efficiency and expanding optoelectronic applications. In this study, we investigate the structural and electronic properties of Cu₃VSₓSe4-x, a promising light-absorbing semiconductor. We systematically introduce selenium as a novel substituent to tune the optical band gap of the material. Selenium substitution is demonstrated to enhance electrical conductivity, carrier mobility, and quantum efficiency in photovoltaic applications. To the best of our knowledge, this is the first report of the intermediate band gap Cu3VSxSe4-x nanocrystals. The material was synthesized using a modified hot-injection reaction method and its crystallographic structure was confirmed through X-ray diffraction (XRD) analysis. Ultraviolet visible (UV-Vis) spectroscopy revealed an optimal intermediate band gap, positioning this material as a strong candidate for efficient solar energy conversion. Further investigations into long-term stability under operational conditions and carrier transport dynamics will be crucial for practical implementation in next-generation solar cells and optoelectronic devices. Keywords: Intermediate Band gap, Cu₃VSₓSe4-x, Semiconductor, Light Absorption, Optoelectronics

Publication Date

4-23-2025

Project Designation

Course Project - MAT 595 05

Primary Advisor

Soubantika Palchoudhury

Primary Advisor's Department

Chemical and Materials Engineering

Keywords

Stander Symposium, School of Engineering

Institutional Learning Goals

Scholarship; Practical Wisdom

Synthesis and Characterization of Cu3VSxSe4-x Nanocrystals: Intermediate Band Gap and Potential Solar Energy Application.

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