光热治疗
氮化硼
复合数
聚吡咯
材料科学
复合材料
三聚氰胺
光热效应
化学工程
纳米技术
聚合物
聚合
工程类
作者
Chunxue Ma,Lili He,Rui Li,Hongtao Guan,Chunhua Ge,Rui Zhang
标识
DOI:10.1002/slct.202201244
摘要
Abstract Photothermal materials can improve the photothermal conversion efficiency. Here, we design and prepare a photothermal material which has both high light harvesting ability and high thermal conductivity for efficient utilization of light energy. Polypyrrole (PPy) was polymerized in the surface of boron nitride (h‐BN) to form polypyrrole/boron nitride (h‐BN/PPy) composites. The h‐BN/PPy composites can be dispersed in glycol‐water solution to form nanofluids with photothermal conversion properties. To further expand the field of h‐BN/PPy systems. By loading h‐BN and PPy on melamine sponge, MF/h‐BN/PPy composite sponges (MFBP) with high hydrophobicity was creatively obtained. The composite sponges can float on the surface of simulated seawater and has rich porous structure, which is conducive to the escape of water vapor. The evaporation rate of simulated seawater reached 1.21 kg m −2 h −1 . Such a composite with simple preparation process and low energy consumption but high photothermal conversion efficiency has promise in photothermal conversion.
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