Solubility-Driven Thin Film Structures of Regioregular Poly(3-hexyl thiophene) using Volatile Solvents
Journal Article
·
· Applied Physics Letters
OSTI ID:959627
Using atomic force microscopy and grazing-incidence x-ray diffraction, the authors found that the use of volatile CH2Cl2 not only offers an advantage in minimizing regioregular poly(3-hexyl thiophene) (RR P3HT) film deposition time, but also directs the desirable parallel orientation of p-p stacking planes of RR P3HT with respect to solid substrates, for both spin and drop castings. The substrate temperature effects have been investigated to support claims that the substrate-induced crystallization of RR P3HT preseeds the parallel oriented crystals prior to spin casting, when the warm CH2Cl2 solution is loaded on a 'cold' substrate held at room temperature.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
- Sponsoring Organization:
- Doe - Office Of Science
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 959627
- Report Number(s):
- BNL-82613-2009-JA; APPLAB; TRN: US201016%%771
- Journal Information:
- Applied Physics Letters, Vol. 90; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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