激光诱导光栅表面等离子体增强CdSe量子点荧光
激光诱导光栅表面等离子体增强CdSe量子点荧光
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黎显继 , 白忠臣 , 彭嫚 , 商业 , 秦水介 / Li Xianji , Bai Zhongchen , Peng, Man , Shang Ye and Qin Shuijie
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Chengdu: Editorial Office of Opto-Electronic Advances
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Chengdu: Editorial Office of Opto-Electronic Advances
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利用532 nm皮秒脉冲激光在金纳米光栅表面诱导表面等离子体激发CdSe量子点荧光,并测量了CdSe量子点荧光增强效应。分别采用AFM刻蚀方法和自组装方法在硅基金膜表面制备了纳米光栅/CdSe量子点的多层薄膜结构。通过调节皮秒脉冲激光的功率,在显微拉曼平台上测量了CdSe量子点的荧光光谱。结果表明,金纳米光栅/CdSe量子点结构能够实现量子点远场荧光大幅增强,其最大荧光强度达7.80倍,并在达到最大强度点开始迅速饱和。该研究结果可广泛应用于光电器件、生物医学检测研究等领域。
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激光诱导光栅表面等离子体增强CdSe量子点荧光
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TN_cdi_wanfang_journals_gdgc201905009
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_gdgc201905009
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ISSN
1003-501X
DOI
10.12086/oee.2019.180464