Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 3, Issue 44, Pages 11581-11588Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5tc02359a
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Funding
- State of Sao Paulo Research Foundation (FAPESP)
- Coordination for the Improvement of Higher Education Personnel (CAPES)
- National Council for Scientific and Technological Development (CNPq)
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Flexible and transparent composites were prepared from bacterial cellulose (BC) and castor oil based polyurethane (PU). The new BC/PU composites exhibit excellent transparency (up to 90%) in the visible region and great mechanical properties, with a tensile strength of up to 69 MPa and a Young's Modulus up to 6 GPa. The resulting free-standing thin films possessed low surface roughness (below 1 nm), and whose properties suggest a potential candidate substrate for flexible light emitting devices. Subsequently, the fabrication of flexible organic light emitting diodes (flexible OLEDs) was successfully investigated by using flexible transparent BC/PU membranes rather than standard flat glass substrates.
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