Structural and Cathodoluminescence of Sb-Doped SnO(2) Nanostructures

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題名:	Structural and Cathodoluminescence of Sb-Doped SnO(2) Nanostructures
作者:	Lin, YH (Lin, Yu-Hung) Kuo, CC (Kuo, Chun-Cha) Chen, US (Chen, Uei-Shin) Wu, JM (Wu, Jyh-Ming) Chang, YS (Chang, Yee-Shyi) Shih, HC (Shih, Han C.)
貢獻者:	化材所
關鍵詞:	TIN OXIDE THERMAL EVAPORATION RAPID OXIDATION NANOBELTS NANOWIRES NANORODS GROWTH NANORIBBONS SURFACES
日期:	2010-12
上傳時間:	2011-12-12 15:13:04 (UTC+8)
摘要:	High density Sb-doped SnO(2) nanobelts and beak-like nanorods were synthesized on alumina substrates using thermal evaporation. X-ray diffraction (XRD) pattern shows that both the nanobelts and beak-like nanorods are single crystals with the tetragonal rutile structure. Transmission electron microscopy (TEM) images show that the nanobelts grow along the [110] direction, but the nanorods grow with an abrupt change from the [(1) over bar0 (1) over bar] direction to the [301] direction. X-ray photoelectron spectroscopy (XPS) analysis shows that the Sb 3d 3/2 peak of not fully oxidized beak-like nanorods shifts from 540.5 eV to 535.4 eV, and the Sn 3d 3/2 peak also shifts from 496.3 eV to 492.8 eV Room temperature cathodoluminescence (CL) measurements show that both the nanobelts and beak-like nanorods exhibit blue and orange emissions that are related to the interstitial defects and oxygen deficiencies. The comparative study of CL measurements between nanobelts and beak-like nanorods demonstrate that the optical properties can be modified by altering the oxygen deficiencies
顯示於類別:	[化學工程與材料工程學系暨碩士班] 期刊論文

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