<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

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

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

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

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This work presents a study on the surface morphology, structure and optical behavior of stable phase cadmium sulphide (CdS) nanoparticles synthesized via...

Observed values			Standard values			Miller planes
2θ [deg.]	d_hkl [Å ]	Intensity	2θ [deg.]	d_hkl [Å ]	Intensity	Miller planes
25.17	3.535	60.72	24.85	3.582	59.21	(1 0 0)
26.74	3.331	100.00	26.55	3.357	42.68	(0 0 2)
28.44	3.135	79.94	28.23	3.160	100.00	(1 0 1)
37.10	2.421	13.75	36.68	2.439	25.83	(1 0 2)
44.08	2.053	43.97	43.76	2.068	45.25	(1 1 0)
48.21	1.886	24.41	47.92	1.892	45.29	(1 0 3)
52.18	1.751	39.21	51.92	1.761	15.27	(1 1 2)

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

Article Category: Research Article

Published Online: Jun 07, 2016

Page range: 368 - 373

Received: Oct 05, 2015

Accepted: Jan 12, 2016

DOI: https://doi.org/10.1515/msp-2016-0033

Keywords
CdS nanoparticles, surface morphology, structural analysis, optical absorption, quantum size effect

© 2016 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Structural parameters for CdS nanoparticles with corresponding standard values.

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

Article Category: Research Article

Published Online: Jun 07, 2016

Page range: 368 - 373

Received: Oct 05, 2015

Accepted: Jan 12, 2016

DOI: https://doi.org/10.1515/msp-2016-0033

KeywordsCdS nanoparticles, surface morphology, structural analysis, optical absorption, quantum size effect

© 2016 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Structural parameters for CdS nanoparticles with corresponding standard values.

Keywords
CdS nanoparticles, surface morphology, structural analysis, optical absorption, quantum size effect