Structural Distortion and Bandgap Increment in Nanocrystalline Wurtzite Si Substituted ZnO
Crystalline Zn1−x Si x O(0 ≤ x ≤ 0.156) nanoparticles reveal decreasing particle size with increasing Si content and a undistorted wurtzite form until x = 0.062 beyond which local deformation is observed maintaining the parent structure. There is a sharp increment in bandgap with nominal Si-doping and then almost saturates onwards. Moreover thermal annealing demonstrate the increase bandgap and decreasing lattice parameters. The details of samples synthesis and characterization is presented in the present manuscript.
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Document Type: Research Article
Affiliations: Centre for Materials Science and Engineering, Indian Institute of Technology Indore, Simrol Campus, Khandwa Road, Indore 452020, India
Publication date: 01 February 2017
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