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Journal of Materials Science
Erschienen in: Journal of Materials Science 12/2015

01.06.2015 | Original Paper

High-efficiency grafting of halloysite nanotubes by using π-conjugated polyfluorenes via “click” chemistry

verfasst von: Hailei Zhang, Xiaoyan Zhu, Yonggang Wu, Hongzan Song, Xinwu Ba

Erschienen in: Journal of Materials Science | Ausgabe 12/2015

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Abstract

New hybrid halloysite nanotubes (HNTs) were obtained by grafting conjugated polyfluorenes (PFs) onto the surface via “click” chemistry. The hybrid material can be dispersed in organic solvent such as dichloromethane, and exhibits intense blue emission peaked at 448 nm. The absorption and emission spectra of the HNTs show distinct bathochromic shifts compared to PFs, which can be attributed to the extended π-conjugation as a result of the cycloaddition of azide and alkyne groups. The changes of the spectra also show that the PFs were grafted onto the HNTs through chemical bonds. Thermal gravimetric analyzer data show one more significant result, the grafting degree of the HNTs is 150 %, which means that a high mass ratio of PF polymers was grafted onto the HNTs. Furthermore, characterizations by infrared, nuclear magnetic resonance, and X-ray photoelectron spectroscopy also support the conclusion. The combination of HNTs with conjugated polymers will lead to a new generation of donor–acceptor nanohybrid materials which are promising in application in photoelectric fields.
Vorheriger Artikel Influence of orientation-dependent grain boundary oxidation on fatigue cracking behaviour in an advanced Ni-based superalloy
Nächster Artikel Storage time-dependent alteration of molecular interaction–property relationships of whey protein isolate-based films and coatings

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Metadaten
Titel
High-efficiency grafting of halloysite nanotubes by using π-conjugated polyfluorenes via “click” chemistry
verfasst von
Hailei Zhang
Xiaoyan Zhu
Yonggang Wu
Hongzan Song
Xinwu Ba
Publikationsdatum
01.06.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 12/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-015-8993-1

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