Journal
SCIENTIFIC REPORTS
Volume 6, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep34565
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Funding
- National Key Basic Research Program of China (973 Program) [2015CB932203]
- National Natural Science Foundation of China [61376023, 61136003]
- Ministry of Economy and Competiveness [MAT2015-71879-P, MAT2014-57652-C2-1-R, PCIN-2015-169-C02-01]
- MAD2D project [S2013/MIT-3007]
- China Scholarship Council [201206230083]
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The fabrication of all polymer optical waveguides, based on a highly fluorescent conjugated polymer (CP) poly(9,9-dioctylfluorene-alt-benzothiadiazole) (F8BT) and a mechanically flexible and biodegradable polymer, cellulose acetate (CA), is reported. The replication by hot embossing of patterned surfaces in CA substrates, onto which high quality F8BT films can be easily processed by spin coating, is exploited to produce an entirely plastic device that exhibits low optical loss and low threshold for amplified spontaneous emission (ASE). As a result, highly transparent and flexible waveguides are obtained, with excellent optical properties that remain unaltered after bending, allowing them to be adapted in various flexible photonic devices.
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