期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 125, 期 2, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-019-2386-2
关键词
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资金
- National Natural Science Foundation of China [21706122, 21736006]
- National Key Research and Development Program of China [2016YFB0401700]
- Fund of State Key Laboratory of Material-Oriented Chemical Engineering [ZK201704, ZK201716]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
In this work, we report a facile construction of honeycomb-patterned membranes from polymer carbon dot (PCD) composites, which are demonstrated to effectively enhance the luminous efficacy of GaN-based light-emitting diodes (LEDs). A series of PCD composites were successfully achieved by a pyrolysis process from poly(methyl methacrylate-co-dimethyl diallyl ammonium chloride) copolymers, in which CDs were in situ formed and bonded with the polymer chains. Subsequently, ordered porous PCD membranes with a bifunctionality of fluorescence and hydrophobicity were generated via a breath figure method under humid conditions. Significantly, these honeycomb-like architectures could contribute to 41.9% improvement of the luminous efficacy for LEDs, showing great potentials for electrical, optoelectronic, and photovoltaic applications.
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