WFRF:(Zhang Jidong)
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- Zhang, RuiLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Chinese Acad Sci, Peoples R China (author)
To Reveal the Importance of the Crystallization Sequence on Micro-Morphological Structures of All-Crystalline Polymer Blends by In Situ Investigation
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021-04-28
- AMER CHEMICAL SOC,2021
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-176476
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176476URI
- https://doi.org/10.1021/acsami.1c02984DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51933010, 91833306]; Ministry of Science and Technology [2019YFA0705900]
- In crystalline/crystalline polymer blend systems, complex competition and coupling of crystallization and morphology usually happen due to the different crystal nucleation and growth processes of polymers, making the morphology and crystallization behavior difficult to control. Herein, we probe the crystallization sequence during the film formation process (crystallize simultaneously, component A crystallizes prior to B or inverse) to illustrate the micro-morphology evolution process in poly(3-hexylthiophene) (P3HT) and poly[[N,N-bis(2-octyldodecyl)-napthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]- alt-5, 5-(2,2-bithiophene)] (N2200) blend using in situ UV-vis absorption spectra and in situ two-dimensional grazing incidence X-ray diffraction (2D GIXRD). When P3HT and N2200 crystallize simultaneously, a large-sized morphology structure is formed. When strengthening the solution aggregation of P3HT by increasing the solvent-polymer interaction, P3HT crystallizes prior to N2200. A P3HT-based micro-morphology structure is obtained. As the molecular weight of N2200 increases to a critical value (72.0 kDa), the crystallization of N2200 dominates the film formation process. A N2200-based micro-morphology is formed guided by N2200 domains. The results confirm that the crystallization sequence is one of the most important factors to determine the micromorphology structure in all-crystalline polymer blends.
Subject headings and genre
- NATURVETENSKAP Kemi Polymerkemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Polymer Chemistry hsv//eng
- polymer blends; crystallization sequence; nucleation and growth; micro-morphology
Added entries (persons, corporate bodies, meetings, titles ...)
- Yan, YeChinese Acad Sci, Peoples R China (author)
- Zhang, QiangChinese Acad Sci, Peoples R China (author)
- Liang, QiujuChinese Acad Sci, Peoples R China (author)
- Zhang, JidongChinese Acad Sci, Peoples R China (author)
- Yu, XinhongChinese Acad Sci, Peoples R China (author)
- Liu, JiangangChinese Acad Sci, Peoples R China (author)
- Han, YanchunChinese Acad Sci, Peoples R China (author)
- Linköpings universitetElektroniska och fotoniska material (creator_code:org_t)
Related titles
- In:ACS Applied Materials and Interfaces: AMER CHEMICAL SOC13:18, s. 21756-217641944-82441944-8252
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