Preparation and Characterization of Polymer-CdSe/ZnS QDs Composite Thin Film
Source abstract
Abstract
以两性齐聚物(聚马来酸十六醇酯, PMAH)为修饰剂, 利用相转移的方法将油溶性的CdSe/ZnS 量子点转移至水中, 制备出高量子产率、高稳定性的水溶性CdSe/ZnS荧光量子点. 随后将PMAH修饰的水溶性量子点分散到聚丙烯酸(PAA)乳液中, 采用旋转涂膜的方法制备了透明的聚合物-CdSe/ZnS量子点复合薄膜, 在紫外灯的照射下薄膜发出明亮的红色光. 利用XPS对复合薄膜的表面结构进行了表征. 随后对膜的光致发光性能和薄膜在黑暗的环境中对紫外光的耐受性进行了系统的研究, 发现复合薄膜的荧光强度随着薄膜厚度和薄膜中纳米晶浓度的增加而线性增强, 薄膜在紫外光照射800 h后仍然保持了很高的荧光强度, 量子产率仅仅损失了5%.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (13)
Show source-provided references
1. Kotov N A10.1021/j100035a005 ↗
2. Bruchez M10.1126/science.281.5385.2013 ↗
3. Medintz I L10.1038/nmat1390 ↗
4. Algar W R
5. Chan W C10.1126/science.281.5385.2016 ↗
6. Decher G10.1126/science.277.5330.1232 ↗
7. Wang J Y10.1021/ja027795p ↗
8. Michalet X10.1126/science.1104274 ↗
9. Shen H B
10. Zhang H10.1002/adma.200304521 ↗
11. Sun J10.1016/S0040-6090(98)00703-2 ↗
12. Clark S L10.1002/(SICI)1521-4095(199812)10:18 ↗
13. Han M10.1038/90228 ↗