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静电纺丝聚合物纤维内部的气相生长TiO和ZnO纳米颗粒及其煅烧诱导的组织结构。

Vapor phase-grown TiO and ZnO nanoparticles inside electrospun polymer fibers and their calcination-induced organization.

作者信息

Razouq Hasan, Berger Thomas, Hüsing Nicola, Diwald Oliver

机构信息

Department of Chemistry and Physics of Materials, Paris Lodron Universität Salzburg, Jakob-Haringer Str. 2a, 5020 Salzburg, Austria.

出版信息

Monatsh Chem. 2023;154(8):849-856. doi: 10.1007/s00706-023-03093-0. Epub 2023 Jul 12.

DOI:10.1007/s00706-023-03093-0
PMID:37521146
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10382359/
Abstract

The spatial organization of metal oxide nanoparticles represents an important factor in the chemical utilization of resulting structures. For the production of networks that are composed of metal oxide nanoparticle chains, we dispersed vapor phase-grown TiO and ZnO nanoparticles homogeneously in an aqueous polyvinyl alcohol solution. After electrospinning, we analyzed the sizes and diameters of the compositionally homogeneous electrospun fibers and discussed the size distribution and morphology of the nanoparticles inside. Calcination-induced polymer removal gives rise to self-supported nanoparticle-based nanofibers. Particle coarsening by a factor of ~ 2 for TiO and ~ 3 for ZnO nanoparticles is observed.

摘要

金属氧化物纳米颗粒的空间组织是所得结构化学利用的一个重要因素。为了制备由金属氧化物纳米颗粒链组成的网络，我们将气相生长的TiO和ZnO纳米颗粒均匀分散在聚乙烯醇水溶液中。静电纺丝后，我们分析了成分均匀的静电纺丝纤维的尺寸和直径，并讨论了内部纳米颗粒的尺寸分布和形态。煅烧诱导的聚合物去除产生了自支撑的纳米颗粒基纳米纤维。观察到TiO纳米颗粒的粒径粗化了约2倍，ZnO纳米颗粒的粒径粗化了约3倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/449aa608a15c/706_2023_3093_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/5b5d860d2dc7/706_2023_3093_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/002c149ad89a/706_2023_3093_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/a410780e4c77/706_2023_3093_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/ee2c3416db9e/706_2023_3093_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/96a0ebf02517/706_2023_3093_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/449aa608a15c/706_2023_3093_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/5b5d860d2dc7/706_2023_3093_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/002c149ad89a/706_2023_3093_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/a410780e4c77/706_2023_3093_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/ee2c3416db9e/706_2023_3093_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/96a0ebf02517/706_2023_3093_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/59e9/10382359/449aa608a15c/706_2023_3093_Fig6_HTML.jpg

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