Stable phase CdS nanoparticles for optoelectronics: a study on surface morphology, structural and optical characterization

• Autorzy: Kumar S. , Sharma J. K.

Identyfikatory

DOI

10.1515/msp-2016-0033

• Języki publikacji: EN

Abstrakty

EN

This work presents a study on the surface morphology, structure and optical behavior of stable phase cadmium sulphide (CdS) nanoparticles synthesized via co-precipitation technique. Scanning electron microscopy (SEM) analysis has been employed to study a cluster formation in the aggregated nanoparticles. An image analysis approach using ImageJ has been used to measure the size of nanoparticles from the SEM micrographs. Fourier transform infrared spectroscopic (FT-IR) analysis identified absorption peaks of Cd–S stretching along with moisture content. X-ray diffraction (XRD) analysis showed that CdS nanoparticles crystallized in wurtzite structure with a preferential orientation along (0 0 2) plane. The particle size, microstrain and lattice constants have been evaluated using XRD data. The lattice parameters of these nanoparticles were found to be shorter than the bulk value which led to lattice contraction. The optical absorption study showed a blue shift in the fundamental absorption edge indicating a quantum size effect.

Słowa kluczowe

EN

CdS nanoparticles; surface morphology; structural analysis; optical absorption; quantum size effect

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2016
• Tom: Vol. 34, No. 2
• Strony: 368--373
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Kumar S.

• Department of Applied Sciences and Humanities, Maharishi Markandeshwar University, Sadopur, Ambala-134007, Haryana, India

autor

Sharma J. K.

• Department of Physics, Maharishi Markandeshwar University, Mullana, Ambala-133207, India

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.