聚芳醚酮基嵌套硒化锌纳米晶的光致发光和热研究

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2025-04-21 DOI:10.1016/j.optmat.2025.117077

Yinan Zhang, Jiajun Sun

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引用次数: 0

摘要

纳米晶体填充聚合物纳米杂化材料由于其性能的改善和在各个领域的应用前景，近年来引起了人们的极大兴趣。本研究采用原位合成的方法合成了聚芳醚酮（PAEK-COOH）包封的ZnSe纳米复合材料，无需进行配体交换。采用x射线衍射仪（XRD）和高分辨率透射电镜（HRTEM）对所得纳米复合材料的结构和形貌进行了表征，结果表明所得纳米ZnSe晶体为平均尺寸为3.5 nm的六角形结构。系统研究了反应时间、Zn(Ac)2/硒脲摩尔比和聚合物含量对ZnSe纳米复合材料光致发光性能的影响。此外，该纳米复合材料的失重温度显著高于其他量子点-聚合物纳米杂化材料，这表明该纳米复合材料具有优越的热性能。这种方法为开发耐高温光电材料提供了一种很有前途的策略。

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Photoluminescence and thermal study of zinc selenide nanocrystals embedded in poly(arylene ether ketone) matrix

Nanocrystal-filled polymer nanohybrids have recently attracted significant interest due to their improved properties and possible application in diverse areas. In this study, poly (arylene ether ketone) (PAEK–COOH)–capped ZnSe nanocomposites were synthesized via a simple in-situ synthesis route without ligand exchange. The structural and morphological properties of the obtained nanocomposites were characterized by X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM), which revealed the hexagonal structures of ZnSe nanocrystals with an average size of 3.5 nm. The effects of reaction time, Zn(Ac)₂/selenourea molar ratio, and polymer content on the photoluminescence of ZnSe nanocomposites were systematically investigated. Furthermore, the nanocomposites exhibited a 5 % weight loss temperature significantly higher than that of other quantum dot-polymer nanohybrids, which indicated the resultant nanocomposites had superior thermal property. This approach provides a promising strategy for developing high-temperature-resistant optoelectronic materials.

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.