Synthesis of Cu or Cu2O-polyimide nanocomposites using Cu powders and their optical properties.
作者： Dong Joo Choi , Ju Sung Maeng , Key-one Ahn , Myoung Jin Jung , Seok Ho Song
DOI: 10.1088/0957-4484/25/37/375604
关键词: Polyimide 、 Oxidizing agent 、 Curing (chemistry) 、 Nanocomposite 、 Chemical engineering 、 Nanoparticle 、 Materials science 、 Inert gas 、 Reducing atmosphere 、 Composite material 、 Transmission electron microscopy
摘要: Nanocomposites consisting of Cu or Cu2O nanoparticles in various polyimide (PI) films were successfully prepared using polyamic acid (PAA) and powders. powders dissolved into PAA solutions, the solutions spin-coated onto substrates. formed PI film by curing a reducing inert atmosphere, respectively. The transformed to post-heat treatment an oxidizing atmosphere after atmosphere. Transmission electron microscopy showed that uniform, round 6.0 nm diameter dispersed treatment. addition 4,4?-(hexafluoroisopropylidene)diphthalic anhydride-4,4?-oxydianiline (6FDA-ODA) enhanced refractive index 6FDA-ODA from 1.60 1.72 at 633 nm, transparency nanocomposite was about 70?90% visible region remained around 90% beyond 550 nm.
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