Studies on the dielectric properties of CdS nanoparticles

By S. Suresh. Applied Nanoscience, 2014

172 citations recorded by the source corpus.

CdS is one of the most important II–VI semiconductors with applications in solar cells, optoelectronics and electronic devices. CdS nanoparticles were synthesized by the wet chemical method. The crystal structure and grain size of the particles were determined by X-ray diffraction. The optical properties were studied by the ultraviolet–visible absorption spectrum. The dielectric properties of CdS nanoparticles were studied in the frequency range of 50 Hz–5 MHz at different temperatures. The frequency dependence of the dielectric constant and dielectric loss is found to decrease with an increase in the frequency at different temperatures. The dielectric properties of CdS nanoparticles are found to be significantly enhanced specially in the low frequency range due to confinement. Further, electronic properties, such as valence electron plasma energy, average energy gap or Penn gap, Fermi energy and electronic polarizability of the CdS nanoparticles were calculated. The AC electrical conductivity measurements reveal that the conduction depends on both the frequency and the temperatures.

Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/507e5ba5a733ac2cb8eac0ab75d6e8329ad27605

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In Atomic and Molecular Physics, and Optics

1. Daljeet Kaur
2. Tripti Sharma
3. C. Madhu
4. Amardeep Bharti

In Electrical and Electronic Engineering

1. Daljeet Kaur
2. Tripti Sharma
3. C. Madhu
4. Amardeep Bharti

In Materials Chemistry

1. Daljeet Kaur
2. Tripti Sharma
3. C. Madhu
4. Amardeep Bharti

Citations in the corpus

• Dielectric Properties of ZnO-Based Nanocomposites and Their Potential Applications (2021, background): “Quantum confinement regulates the band structure of the nanoparticles; hence, dielectric properties also change as the size of the nanoparticles is changed [124].”
• Green synthesis of silver nanoparticles using fresh water green alga Pithophora oedogonia (Mont.) Wittrock and evaluation of their antibacterial activity (2015, background): “2006) as well from cadmium (Suresh 2014), iron (Behera et al.”