Competitive self-assembly driven as a route to control the morphology of poly(tannic acid) assemblies

  • Zhiqing Liu
  • , Haiyan Fan
  • , Wei Li
  • , Guoqiang Bai
  • , Xie Li
  • , Ning Zhao
  • , Jian Xu
  • , Feng Zhou
  • , Xuhong Guo
  • , Bin Dai
  • , Enrico Benassi
  • , Xin Jia

Research output: Contribution to journalArticlepeer-review

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Abstract

With an attempt to develop some supermolecular assemblies of a particular structure through a controllable method, the present study developed two distinct assembly patterns for Poly(Tannic Acid) (PTA) by means of adjusting the components and composition of a binary solvent system. The assembly mechanism was explored through the comparison of theoretical calculations and experimental results with respect to how solvent sets affect the nature of intermolecular interactions among oligomers. The results indicate that the morphology of the aggregates of PTA is determined from the nature of the intermolecular interactions among oligomers. While a cuboid shaped aggregate is likely the result of π-π stacking self-assembly, a sphere shaped morphology is formed through intermolecular hydrogen bonding among the oligomers. The results of the present work provide valuable resources to tune the aggregation morphology by quantitatively adjusting the physical properties of the binary solvent.

Original languageEnglish
Pages (from-to)4751-4758
Number of pages8
JournalNanoscale
Volume11
Issue number11
DOIs
Publication statusPublished - Mar 21 2019

Funding

We thank Prof. Yongri Liang and A/Prof. Junfeng Yan for helpful discussions. We thank the National Natural Science Foundation of China (U1703351 and 51663021), Bingtuan excellent Young Scholars (CZ027205), Bingtuan Innovation Team in Key Areas (2015BD003), and Yangtze River scholar research project of Shihezi University (No. CJXZ201401).

ASJC Scopus subject areas

  • General Materials Science

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