Effect of polymer rigidity on the phase behaviour of polymer adsorption on to planar surface | Zendy

Zhiyong Yang | Zendy; Aihua Chai | Zendy; Peicong Zhou | Zendy; Ping Li | Zendy; Yang Yong-fu | Zendy

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Effect of polymer rigidity on the phase behaviour of polymer adsorption on to planar surface

Author(s) -

Zhiyong Yang,

Aihua Chai,

Peicong Zhou,

Ping Li,

Yang Yong-fu

Publication year - 2016

Publication title -

bioscience reports

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 77

eISSN - 1573-4935

pISSN - 0144-8463

DOI - 10.1042/bsr20160220

Subject(s) - toroid , polymer , adsorption , rigidity (electromagnetism) , materials science , planar , polymer adsorption , chemical physics , flexural rigidity , monte carlo method , surface energy , monomer , surface (topology) , lattice (music) , chemical engineering , composite material , chemistry , physics , geometry , mathematics , plasma , computer graphics (images) , statistics , quantum mechanics , computer science , acoustics , engineering

We study the process of a semiflexible polymer chain adsorption on to planar surface by the dynamic Monte Carlo (DMC) method, based on the 3D off-lattice model. Both the strength of attractive monomer-surface interaction (ε a ) and bending energy (b) have pronounced effect on the adsorption and shape of semiflexible polymer chain. The semiflexible polymer can just fully adsorb on to the surface at certain ε a , which is defined as critical ε a The essential features of the semiflexible polymer adsorption on to surface are that (i) the critical ε a increases with increase in b; (ii) the shape of the fully adsorbed semiflexible polymer chain is film-like toroid, and the toroid becomes more and more perfect with increase in b In addition, the size of toroid and the number of turns of toroid can be controlled by the b and ε a .

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