http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Self-consistent field theory for diblock copolymers grafted to a sphere
Vorselaars, Bart,Kim, Jaeup U.,Chantawansri, Tanya L.,Fredrickson, Glenn H.,Matsen, Mark W. Royal Society of Chemistry 2011 SOFT MATTER Vol.7 No.11
<P>An efficient numerical self-consistent field theory (SCFT) algorithm is developed for treating structured polymers on spherical surfaces. The method solves the diffusion equations of SCFT with a pseudo-spectral approach that combines a spherical-harmonics expansion for the angular coordinates with a modified real-space Crank–Nicolson method for the radial direction. The self-consistent field equations are solved with Anderson-mixing iterations using dynamical parameters and an alignment procedure to prevent angular drift of the solution. A demonstration of the algorithm is provided for thin films of diblock copolymer grafted to the surface of a spherical core, in which the sequence of equilibrium morphologies is predicted as a function of diblock composition. The study reveals an array of interesting behaviors as the block copolymer pattern is forced to adapt to the finite surface area of the sphere.</P> <P>Graphic Abstract</P><P>An efficient SCFT algorithm is developed and used to predict the morphologies of diblock copolymers grafted to a spherical nanoparticle. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c0sm01242d'> </P>