State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
lud@jlu.edu.cn
收稿:2020-11-17,
修回:2021-1-2,
录用:2021-1-15,
网络首发:2021-03-26,
纸质出版:2021-05-14
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Zhang, H.; Li, T.; Liu, B.; Ma, T. N.; Huang, L.; Bai, Z. M.; Lu, D. Effect and mechanism of solvent properties on solution behavior and films condensed state structure for the semi-rigid conjugated polymers. Chinese J. Polym. Sci. 2021, 39, 796–814
Hao Zhang, Tao Li, Bin Liu, et al. Effect and Mechanism of Solvent Properties on Solution Behavior and Films Condensed State Structure for the Semi-rigid Conjugated Polymers[J]. Chinese Journal of Polymer Science, 2021, 39(7): 796-814.
Zhang, H.; Li, T.; Liu, B.; Ma, T. N.; Huang, L.; Bai, Z. M.; Lu, D. Effect and mechanism of solvent properties on solution behavior and films condensed state structure for the semi-rigid conjugated polymers. Chinese J. Polym. Sci. 2021, 39, 796–814 DOI: 10.1007/s10118-021-2555-6.
Hao Zhang, Tao Li, Bin Liu, et al. Effect and Mechanism of Solvent Properties on Solution Behavior and Films Condensed State Structure for the Semi-rigid Conjugated Polymers[J]. Chinese Journal of Polymer Science, 2021, 39(7): 796-814. DOI: 10.1007/s10118-021-2555-6.
Solvents have an essential association with polymer solution behavior. However
few researches have been deeply done on this respect. In recent years
our research group focus on the study on effect of solvent properties on solution behavior and film condensed state structure for semi-rigid conjugated polymer up till to apply for optoelectronic device. Herein
influence of solvent properties including solubility of solvent
aromaticity
polarity and hydrogen bonds on semi-rigid polymer chain solution behavior
i.e.
single chain conformation
chain shape
size and chains aggregated density were studied by means of static/dynamic laser light scattering (DLS/SLS) and exponential law
etc
. Effect of solvent properties on condensed state structure of the semi-rigid conjugated polymer film was studied by UV absorption spectroscopy
PL spectroscopy and electron microscopy
etc
. The essential reasons for the influence were discovered and the mechanism was revealed. It was found that solution behavior with different solvent properties had an essential physical relationship with chains condensed state structure of the semi-rigid conjugated polymers. More importantly
there was a quantitative structure-activity relationship between solution and film. The key to this relationship depended on the interaction between solvent molecules and the semi-rigid conjugated polymer chains. This interaction could also affect optoelectronic devices performance. This study is of great significance to effectively control the condensed state structure of the semi-rigid conjugated polymers in the process of dynamic evolution from solutions to films. It not only enriches the knowledge and understanding of both semi-rigid conjugated polymer solution behaviors and film condensed state physics based on polymer physics
but also is meaningful to practical application for conjugated polymer and other traditional polymer systems.
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