Interfacial Energy Effects on the Electric Field Alignment of Symmetric Diblock Copolymers

2003 ◽  
Vol 36 (16) ◽  
pp. 6178-6182 ◽  
Author(s):  
Ting Xu ◽  
Craig J. Hawker ◽  
Thomas P. Russell
Keyword(s):  
Electric Field ◽  
Interfacial Energy ◽  
Diblock Copolymers

Electric-field-induced sphere–cylinder phase transitions of diblock copolymers

Polymer ◽  
2013 ◽  
Vol 54 (24) ◽  
pp. 6636-6643 ◽  
Author(s):  
Shiben Li ◽  
Ying Jiang ◽  
Yongyun Ji ◽  
Xianghong Wang
Keyword(s):  
Phase Transitions ◽  
Electric Field ◽  
Diblock Copolymers

Morphology of Thin Films of Diblock Copolymers on Surfaces Micropatterned with Regions of Different Interfacial Energy

2002 ◽  
Vol 35 (5) ◽  
pp. 1822-1834 ◽  
Author(s):  
Richard D. Peters ◽  
Xiao M. Yang ◽  
Paul F. Nealey
Keyword(s):  
Thin Films ◽  
Interfacial Energy ◽  
Diblock Copolymers

Electric Field Induced Control of Thin Film Diblock Copolymer Domain Orientation

1996 ◽  
Vol 461 ◽  
Author(s):  
T. L. Morkved ◽  
W. A. Lopes ◽  
M. Lu ◽  
A. M. Urbas ◽  
H. M. Jaeger ◽  
...  
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
Electric Fields ◽  
Diblock Copolymer ◽  
Diblock Copolymers ◽  
Quantitative Measure ◽  
Domain Orientation ◽  
External Electric Fields ◽  
Silicon Nitride Membrane ◽  
Field Lines

ABSTRACTLocal control of domain orientation in diblock copolymer thin films is demonstrated through the use of external electric fields. Thin films of a polystyrene-polymethylmethacrylate diblock copolymers, denoted P(S-b-MMA), were spin coated onto silicon nitride membrane substrates with prefabricated in-plane electrodes, forming cylindrical PMMA microdomains. Films annealed under an applied electric field (E ≤ 37V/μm) at 250°C for 24h under an argon atmosphere showed an alignment of the cylindrical microdomains parallel to the electric field lines. A quantitative measure of the degree of alignment was obtained by correlating the local field strength, E, and direction with the observed cylinder orientation. The alignment was found to saturate above E≈30V/μm, and to decrease rapidly as E falls below this value.

Selective disordering of lamella-forming diblock copolymers under an electric field

Soft Matter ◽  
2011 ◽  
Vol 7 (11) ◽  
pp. 5161 ◽  
Author(s):  
G. J. A. Sevink ◽  
M. Pinna ◽  
K. M. Langner ◽  
A. V. Zvelindovsky
Keyword(s):  
Electric Field ◽  
Diblock Copolymers

scholarly journals Fluctuation Effects in the Theory of Microphase Separation of Diblock Copolymers in the Presence of an Electric Field

2007 ◽  
Vol 40 (6) ◽  
pp. 2186-2191 ◽  
Author(s):  
I. Gunkel ◽  
S. Stepanow ◽  
T. Thurn-Albrecht ◽  
S. Trimper
Keyword(s):  
Electric Field ◽  
Diblock Copolymers ◽  
Microphase Separation ◽  
Fluctuation Effects
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