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超声喷雾热解法制备不同掺杂浓度ZnO∶Eu薄膜 被引量:3

Preparation of Doping Concentration ZnO∶ Eu Thin Films by Ultrasonic Spray Pyrolysis
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摘要 以醋酸锌,氯化铕的混合水溶液为前驱体,采用超声喷雾热解法在ITO导电玻璃衬底上制备了掺杂不同Eu浓度的ZnO∶Eu薄膜。通过扫描电镜(SEM),X射线衍射(XRD)和光致发光(PL)谱对ZnO∶Eu薄膜的形貌,结构和光学性质进行了研究。通过对比掺杂不同Eu浓度的ZnO∶Eu薄膜的结构和光学性能,可知在掺杂浓度为6mol%时薄膜的性能最好。SEM照片表明制备的ZnO∶Eu薄膜为致密的纳米颗粒薄膜,ZnO∶Eu晶粒尺寸大约在200~250 nm。XRD图谱表明当掺杂浓度为6mol%时,ZnO∶Eu薄膜具有很好的六角纤锌矿结构,且在2θ=50.47°处出现Eu2O3的衍射峰。激发光谱测试表明ZnO∶Eu薄膜在280 nm,373 nm,393 nm处有较强的紫外吸收。当用280 nm激发光激发时ZnO∶Eu薄膜在613 nm处具有较强的红光发射。 以醋酸锌,氯化铕的混合水溶液为前驱体,采用超声喷雾热解法在ITO导电玻璃衬底上制备了掺杂不同Eu浓度的ZnO∶Eu薄膜。通过扫描电镜(SEM),X射线衍射(XRD)和光致发光(PL)谱对ZnO∶Eu薄膜的形貌,结构和光学性质进行了研究。通过对比掺杂不同Eu浓度的ZnO∶Eu薄膜的结构和光学性能,可知在掺杂浓度为6mol%时薄膜的性能最好。SEM照片表明制备的ZnO∶Eu薄膜为致密的纳米颗粒薄膜,ZnO∶Eu晶粒尺寸大约在200~250 nm。XRD图谱表明当掺杂浓度为6mol%时,ZnO∶Eu薄膜具有很好的六角纤锌矿结构,且在2θ=50.47°处出现Eu2O3的衍射峰。激发光谱测试表明ZnO∶Eu薄膜在280 nm,373 nm,393 nm处有较强的紫外吸收。当用280 nm激发光激发时ZnO∶Eu薄膜在613 nm处具有较强的红光发射。
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2012年第S1期331-335,共5页 Journal of Synthetic Crystals
基金 国家自然科学基金(50974025 40572030)
关键词 ZnO∶Eu薄膜 超声喷雾热解法 光学性能 ZnO∶ Eu films ultrasonic spray pyrolysis optical properties
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参考文献12

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  • 3刘剑,苗鸿雁,谈国强,贺中亮,夏傲.钛酸锶功能陶瓷薄膜的液相自组装制备及表征[J].人工晶体学报,2009,38(S1):81-84. 被引量:2
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