Conference proceeding
The structure of a polymer blend in a volume grating
LINEAR AND NONLINEAR OPTICS OF ORGANIC MATERIALS VIII, v 7049(1), pp 70490M-70490M-6
01 Jan 2008
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Holographic polymerization (H-P) has been used to fabricate polymer-dispersed liquid crystals, block copolymers and pattern inert nanoparticles. In this article, one-dimensional grating structures of Norland resin and a polymer blend were achieved using the H-P technique. A reflection grating structure known as a Bragg reflector (BR) was fabricated. The hierarchical structure and morphology of the BR were studied using synchrotron X-ray, polarized light microscopy and transmission electron microscopy. The structure of the BR containing a polymer blend displayed lamellae structures formed with periodicity of 200 nm. Polycaprolactone and Poly(L-lactide) crystals were found to be confined in similar to 60 nm thick layers in the BR. The polymer chains tended to orient themselves parallel to the grating when the two polymers where blended together. The phase separation and structure of the polymer blend inside the H-P grating could be of great interest for multifunctional optical sensors or devices.
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Details
- Title
- The structure of a polymer blend in a volume grating
- Creators
- Michael Birnkrant - Drexel UniversityChristopher Li - Drexel UniversityLalgudi V. Natarajan - Science Applications International CorporationVincent P. Tondiglia - Science Applications International CorporationRichard L. Sutherland - Science Applications International CorporationPamela F. Lloyd - UES, Inc. (United States)Rachel Jakubiak - United States Air Force Research LaboratoryTimothy J. Bunning - United States Air Force Research Laboratory
- Contributors
- R Jakubiak (Editor) - United States Air Force Research Laboratory
- Publication Details
- LINEAR AND NONLINEAR OPTICS OF ORGANIC MATERIALS VIII, v 7049(1), pp 70490M-70490M-6
- Series
- Proceedings of SPIE
- Publisher
- Spie-Int Soc Optical Engineering
- Number of pages
- 6
- Grant note
- NRC/US AFOSR Summer Faculty Fellowship DMR-0239415; CMMI-0608953 / NSF CAREER Award; National Science Foundation (NSF); NSF - Office of the Director (OD) DOE; United States Department of Energy (DOE) GK - 12 / NSF; National Science Foundation (NSF)
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000262985900015
- Scopus ID
- 2-s2.0-55549098565
- Other Identifier
- 991019168501504721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Optics