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Type: 
Journal
Description: 
This paper reports the experimental determination of the growth exponents and activation enthalpies for the ordering process of standing cylinder-forming all-organic polystyrene-block-poly (methyl methacrylate) block copolymer (BCP) thin films as a function of the BCP degree of polymerization (N). The maximum growth exponent of 1/3 is observed for the BCP with the lowest N at the border of the order-disorder transition. Both the growth exponents and the activation enthalpies exponentially decrease with the BCP segregation strength (χN) following the same path of the diffusivity.
Publisher: 
American Physical Society
Publication date: 
24 May 2018
Authors: 

Gabriele Seguini, Fabio Zanenga, Michele Laus, Michele Perego

Biblio References: 
Volume: 2 Issue: 5 Pages: 055605
Origin: 
Physical Review Materials