EFFECT OF pH ON ZnS NANOCRYSTALLINE THIN FILM EMBEDDED IN A POLYVINYL ALCOHOL MATRIX

被引：7

作者：

Borah, J. P. ^{[1
]}

Barman, J.

Sarma, K. C.

机构：

[1] Gauhati Univ, Dept Instrumentat, Gauhati 781014, India

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 29期

关键词：

ZnS; nanocrystallites; bandgap; optical properties; ZINC-SULFIDE; OPTICAL-PROPERTIES; PHOTOLUMINESCENCE; NANOPARTICLES; CDS;

D O I：

10.1142/S0217979210057006

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Polyvinyl alcohol (PVA) has been used as a matrix to synthesize Zns/PVA nanocomposite film on glass substrate by chemical method. Transmission electron microscopy (TEM), X-ray diffraction (XRD), Scanning electron microscopy (SEM) has been used for structural, morphological and compositional characterization. Optical properties have been studied by UV-Visible spectrophotometry and photoluminescence (PL) spectroscopy. Changing pH value from 4.8 to 0.8 decreases the particle size and correspondingly increases the band gap. The PL emission intensity also increases by decreasing the pH values.

引用

页码：5663 / 5673

页数：11

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