Mixed structure Zn(S,O) nanoparticles: synthesis and characterization

• Autorzy: Dhupar Anu , Kumar Suresh , Sharma Vandana , Sharma J. K.

Identyfikatory

DOI

10.2478/msp-2019-0024

• Języki publikacji: EN

Abstrakty

EN

In the present work, mixed structure Zn(S,O) nanoparticles have been synthesized using solution based chemical coprecipitation technique. Two different zinc sources (Zn(CH₃COO) ₂·2H₂O and ZnSO₄·7H₂O) and one sulfur source (CSNH₂NH₂) have been used as primary chemical precursors for the synthesis of the nanoparticles in the presence and absence of a capping agent (EDTA). The structural, morphological, compositional and optical properties of the nanoparticles have been analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transmission infra-red (FT-IR) and UV-Visible (UV-Vis) spectroscopy. XRD revealed the formation of mixed phases of c-ZnS, h-ZnS and h-ZnO in the synthesized nanoparticles. The surface morphology was analyzed from SEM micrographs which showed noticeable changes due to the effect of EDTA. EDX analysis confirmed the presence of zinc, sulfur and oxygen in Zn(S,O) nanoparticles. FT-IR spectra identified the presence of characteristic absorption peaks of ZnS and ZnO along with other functional group elements. The optical band gap values were found to vary from 4.16 eV to 4.40 eV for Zn(S,O) nanoparticles which are higher in comparison to the band gap values of bulk ZnS and ZnO. These higher band gap values may be attributed to the mixed structure of Zn(S,O) nanoparticles.

Słowa kluczowe

EN

ZnS; ZnO; chemical coprecipitation technique; structural analysis; optical properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2019
• Tom: Vol. 37, No. 2
• Strony: 230--237
• Opis fizyczny: Bibliogr. 40 poz., rys., tab.

Twórcy

autor

Dhupar Anu

• Department of Physics, M.M. School of Sciences, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India

autor

Kumar Suresh

• Department of Physics, Maharishi Markandeshwar University, Sadopur, Ambala, Haryana-134007, India

autor

Sharma Vandana

• Department of Physics, M.M. School of Sciences, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India

autor

Sharma J. K.

• Department of Physics, M.M. School of Sciences, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).