Starch-Assisted Stable Synthesis of CdS Nanoparticles for Enhanced Electrical and Optical Properties

Imran Uddin, Shaik M. Abzal, Kurapati Kalyan, Sailakshmi Janga, Rajkumar Patel, Jatis Kumar Dash

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Cadmium sulfide (CdS) nanoparticles (NPs) were synthesized using a biodegradable starch [(C6H10O5)n] polymer as a capping and stabilizing agent. The as-synthesized CdS NPs were highly crystalline and had a hexagonal structure with an average particle size of ~ 10.5 nm. Fourier transform infrared (FTIR) spectroscopy analysis was used to examine the presence and interactions of starch on the surface of the nanoparticles. The electronic behavior of CdS NPs was analyzed using I–V measurements and impedance spectroscopy. These NPs exhibit semiconducting behavior with resistance and conductance values of 1.78 ×108 Ω, and 5.61 × 10−9 S, respectively. Photoresponse studies of CdS NPs showed significant photoresponse with improved photocurrent under light conditions. The dielectric measurements were done at different temperatures, during both the heating and cooling cycles, and the frequency dependence and temperature dependence of dielectric constant and dielectric loss were investigated.

Original languageEnglish
Pages (from-to)1710-1716
Number of pages7
JournalJournal of Electronic Materials
Volume52
Issue number3
DOIs
Publication statusPublished - 2023 Mar

Bibliographical note

Publisher Copyright:
© 2023, The Minerals, Metals & Materials Society.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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