Direct observation of interfacial C60 cluster formation in polystyrene-C60 nanocomposite films.
Large interfacial C(60) clusters were directly imaged at the supporting film-substrate interface in physically detached polystyrene-C(60) nanocomposite films by atomic force microscopy, confirming the stabilizing mechanism previously hypothesized for thin polymer films. Additionally, we found that the C(60) additive influences basic thermodynamic film properties such as the interfacial energy and the film thermal expansion coefficient.
Han
Joong Tark
JT
Nano Carbon Materials Research Group, Korea Electrotechnology Research Institute, Korea. jthan@keri.re.kr
Lee
Geon-Woong
GW
Kim
Sangcheol
S
Lee
Hae-Jeong
HJ
Douglas
Jack F
JF
Karim
Alamgir
A
D002264:Carboxylic Acids / Q000737:chemistry*; D003460:Crystallization / Q000379:methods*; D037741:Fullerenes / Q000737:chemistry*; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008567:Membranes, Artificial; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D036103:Nanotechnology / Q000379:methods*; D010316:Particle Size; D013499:Surface Properties
C416673:C60 carboxyfullerene; D002264:Carboxylic Acids; D037741:Fullerenes; D046911:Macromolecular Substances; D008567:Membranes, Artificial