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Influence of Fe2+ and Ni2+ contents on the optical and electrical properties of ZnS quantum dots
Iqbal, Shahid1; Khan, Rafaqat Ali2; Iqbal, Muhammad Javed3; Waqas, Muhammad4; Nisar, Jan5; Shah, Fahim2; Khan, Abdur Rahman2
2017-03-01
Source PublicationJOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN0957-4522
Volume28Issue:5Pages:4449-4457
Abstract

The work reports a well controlled synthesis of un-doped and Fe2+ and Ni2+ doped ZnS quantum dots (QDs) based highly luminescent of pure cubic zinc blende structure. The samples were characterized for structural, morphological, optical and electrical parameters and great care has been made in correlating all these properties. The optimum concentrations of Zn1-xFexS and Zn1-xNixS dopants were found to be x = 0.2 for superior optical and electrical properties. Incorporation of Fe2+ or Ni2+ into ZnS lattice have generated acceptor level as an isolated state just above the valence band of ZnS, and hence electron requiring less excitation energy for transferring from the acceptor level to the conduction band. Moreover, it was found that the PL emission intensity of Fe2+ doped ZnS QDs is higher than that of Ni2+ doped. The results indicated that the active luminescent centers created by dopants and localized surface plasmon resonance energy transfer of ZnS QDs significantly increased with Fe2+ ions into the ZnS lattice. Over all in light of the results obtained during the study, the doped samples can have potential for function in vast variety of applications.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s10854-016-6074-0
Indexed BySCI
Language英语
WOS KeywordSurface-plasmon Resonance ; Photocatalytic Activity ; Emission Behavior ; Nickel Metal ; Nanoparticles ; Nanostructures ; Photoluminescence ; Decolorization ; Mechanism ; Design
WOS Research AreaEngineering ; Materials Science ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationCAS-TWAS president fellowship scheme
WOS IDWOS:000395007100065
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22142
Collection多相复杂系统国家重点实验室
Affiliation1.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
2.COMSATS Inst Informat Technol, Dept Chem, Appl & Analyt Chem Lab, Abbottabad 22060, Khyber Pakhtunk, Pakistan
3.Preston Univ, Preston Inst Nano Sci & Technol, Islamabad, Pakistan
4.Chinese Acad Sci, Inst Proc Engn, Key Lab Multiphase Complex Syst, Beijing 100080, Peoples R China
5.Univ Peshawar, Natl Ctr Excellence Phys Chem, Peshawar, Khyber Pakhtunk, Pakistan
Recommended Citation
GB/T 7714
Iqbal, Shahid,Khan, Rafaqat Ali,Iqbal, Muhammad Javed,et al. Influence of Fe2+ and Ni2+ contents on the optical and electrical properties of ZnS quantum dots[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2017,28(5):4449-4457.
APA Iqbal, Shahid.,Khan, Rafaqat Ali.,Iqbal, Muhammad Javed.,Waqas, Muhammad.,Nisar, Jan.,...&Khan, Abdur Rahman.(2017).Influence of Fe2+ and Ni2+ contents on the optical and electrical properties of ZnS quantum dots.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,28(5),4449-4457.
MLA Iqbal, Shahid,et al."Influence of Fe2+ and Ni2+ contents on the optical and electrical properties of ZnS quantum dots".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 28.5(2017):4449-4457.
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