硫化镉/聚乙烯醇纳米复合材料的发光及光探测磁共振研究
Luminescent and Optically Detected Magnetic Resonance Studies of CdS/PVA Nanocomposite.
作者信息
Rudko Galyna Yu, Vorona Igor P, Fediv Volodymyr I, Kovalchuk Andrii, Stehr Jan E, Shanina Bela D, Chen WeiMin M, Buyanova Irina A
机构信息
V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kiev, 03028, Ukraine.
Department of Biophysics and Medical Informatics, Bukovinian State Medical University, 42 Kobylyanska st., Chernivtsi, 58000, Ukraine.
出版信息
Nanoscale Res Lett. 2017 Dec;12(1):130. doi: 10.1186/s11671-017-1892-4. Epub 2017 Feb 20.
A series of solid nanocomposites containing CdS nanoparticles in polymeric matrix with varied conditions on the interface particle/polymer was fabricated and studied by photoluminescence (PL) and optically detected magnetic resonance (ODMR) methods. The results revealed interface-related features in both PL and ODMR spectra. The revealed paramagnetic centers are concluded to be involved in the processes of photo-excited carriers relaxation.
制备了一系列在聚合物基体中含有硫化镉纳米粒子的固体纳米复合材料，这些复合材料在粒子/聚合物界面处具有不同条件，并通过光致发光（PL）和光探测磁共振（ODMR）方法进行了研究。结果揭示了PL和ODMR光谱中与界面相关的特征。得出的结论是，所揭示的顺磁中心参与了光激发载流子的弛豫过程。
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