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- W2364559680 abstract "摘要 对用水热腐蚀技术制备的、具有蓝光发射的多孔硅样品在快速热氧化(RTO)处理前后其光致发光谱、硅纳米颗粒的大小及尺寸分布变化进行了研究.实验发现，新鲜多孔硅样品经过RTO处理后，其光致发光谱整体蓝移并由单发光峰分裂为两个发光峰；与此对应，样品中的硅纳米颗粒在整体减小的同时出现尺寸分离现象.这一结果表明，多孔硅中的短波长发射也具有强烈的尺寸相关性. Abstract Blue-emitting porous silicon(PS) prepared by hydrothermal etching was treated by rapid thermal oxidation (RTO) process.Accompanying with the blue shift of the whole photoluminescence(PL) spectrum, the previous single PL peak split into two separate PL peaks. Simultaneously, the size-reduction and size-separation of the silicon nanocrystallites were observed. This result indicates that the short-wavelength emissions in PS are also strongly size-dependent. 作者及机构信息 富笑男2, 李新建3, 贾 瑜1, 姚乾凯1, 曾凡光2, 陈乾旺4, 张裕恒4 (1)郑州大学物理系和材料物理实验室，郑州 450052; (2)郑州大学物理系和材料物理实验室，郑州 450052；郑州粮食学院数理部，郑州 450052; (3)郑州大学物理系和材料物理实验室，郑州 450052；中国科学技术大学结构分析开放研究实验室，合肥 230026; (4)中国科学技术大学结构分析开放研究实验室，合肥 230026 基金项目: 国家自然科学基金(批准号：19904011)资助的课题. Authors and contacts FU XIAO-NAN2, LI XIN-JIAN3, JIA YU1, YAO QIAN-KAI1, ZENG FAN-GUANG2, CHEN QIAN-WANG4, ZHANG YU-HENG4 (1)郑州大学物理系和材料物理实验室，郑州 450052; (2)郑州大学物理系和材料物理实验室，郑州 450052；郑州粮食学院数理部，郑州 450052; (3)郑州大学物理系和材料物理实验室，郑州 450052；中国科学技术大学结构分析开放研究实验室，合肥 230026; (4)中国科学技术大学结构分析开放研究实验室，合肥 230026 参考文献 施引文献" @default.
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- W2364559680 date "2000-01-01" @default.
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- W2364559680 title "SIZE-SEPARATION EFFECT OF BLUE-EMITTING POROUS SILICON IN RTO PROCESS" @default.
- W2364559680 doi "https://doi.org/10.7498/aps.49.1180" @default.
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