Phase transition and enhanced photoluminescence behaviour of rare earth activated ZnMoO4@(GO/r/GO) nanocomposites

被引：4

作者：

Jain, Neha ^{[1
]}

Mishra, Shikha ^{[2
]}

Bin Masood, Khalid ^{[1
]}

Singh, Rajan Kumar ^{[1
,5
]}

Jain, Prince Kumar ^{[1
,3
]}

Pandey, Ashutosh ^{[2
]}

Singh, Jai ^{[1
,4
]}

机构：

[1] Dr Harisingh Gour Cent Univ, Dept Phys, Sagar 470003, MP, India

[2] Dr CV Raman Univ, Dept Phys, Kargi Rd, Kota 495113, CG, India

[3] Govt Coll Mohangarh, Dept Phys, Tikamgarh, Mp, India

[4] Guru Ghasidas Vishwavidyalaya Cent Univ, Dept Pure & Appl Phys, Bilaspur 495009, CG, India

[5] Natl Taiwan Univ, Dept Chem Engn, Taipei, Taiwan

来源：

MATERIALS RESEARCH BULLETIN | 2022年 / 145卷

关键词：

Graphene-oxide; Reduced graphene oxide; Phase transition; Photoluminescence; ZnMoO4; Eu; PHOTOCATALYTIC DEGRADATION; OPTICAL-PROPERTIES; ONE-POT; GRAPHENE; EFFICIENT; NANOPARTICLES; PERFORMANCE; COMPOSITE; ALPHA-ZNMOO4; TEMPERATURE;

D O I：

10.1016/j.materresbull.2021.111551

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work, phase transformation and PL emission spectra of bare ZnMoO4:Eu3+ and ZnMoO4:Eu3+@ (GO/r-GO) hybrid nanocomposites upon annealing at different temperatures have been studied. The nanocomposites have been synthesized through a facile and simple solvothermal approach. It has been found that assynthesized bare ZnMoO4 exhibits monoclinic structure at 80 degrees C and gets transformed to a triclinic phase with annealing at 400 degrees C and 600 degrees C. The structural properties of the ZnMoO4@(GO/r-GO) hybrid nanocomposites have been accessed by X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy (SEM). Furthermore, the optical properties have been evaluated through diffuse reflectance spectra and photoluminescence emission spectra. The PL emission spectra of ZnMoO4:Eu@(GO/r-GO) hybrid nanocomposites exhibit characteristic emission peaks of Eu3+ ion shows a higher PL intensity in comparison to that of ZnMoO4: Eu@(GO) sample. The PL emission spectra of GO/r-GO composites confirm that the studied sample can be used in field emission display technology and also as a photo-catalyst.

引用

页数：8

共 45 条

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