X-ray spectroscopy study of ZnxSn1-xO2 nanorods synthesized by hydrothermal technique
- X-ray spectroscopy study of ZnxSn1-xO2 nanorods synthesized by hydrothermal technique
- Sanjeev Gautam; Anup Thakur; Ankush Vij; 석재권; Ik-Jae Lee; Yong-Jun Park; Tae-Joo Shin; Min-Gyu Kim; Hyun-Joon Shin; Jenn-Min Lee; Jin-Ming Chen; 송종한; 채근화
- ZnxSn1-xO2; Zn-doped SnO2; Crystal morphology; Hydrothermal crystal growth; Nanomaterials; Semiconducting materials
- Issue Date
- Thin solid films
- VOL 546, 250-254
- An environment friendly, inexpensive solvothermal route is used to synthesize polycrystalline ZnxSn1 −xO2 (0.0 ≤ x ≤ 0.07) nanorods with nanoflower morphology without using any organic solvents, surfactant or any catalytic agent under low hydrothermal pressure. Scanning electron microscopy (SEM) equipped with energy-dispersive x-ray spectra depicts the formation of near stoichiometric ZnxSn1 −xO2 nanorods. SEM analysis reveals that Zn incorporation in SnO2 decreases the nanorod diameter from ~ 20 nm to ~ 10 nm. High-resolution x-ray diffraction analysis reveals the rutile structure for x ≤ 0.04 samples, while for x = 0.07 a Zn2SnO4 phase is observed. Near edge x-ray absorption fine structure and x-ray photoemission spectroscopy indicate that Zn atoms have been substituted for Sn sites in SnO2 lattice without forming secondary phases and also create numerous oxygen vacancy in the structure.
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