Journal
JOURNAL OF MATERIALS SCIENCE
Volume 43, Issue 16, Pages 5599-5604Publisher
SPRINGER
DOI: 10.1007/s10853-008-2797-5
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Funding
- Council for Scientific and Industrial Research (CSIR), South Africa [HGERA7S]
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Interfacial analysis of the rrP3HT samples spin-coated on a glass substrate was studied in detail using transmission electron microscopy (TEM) and SEM measurements. Very homogeneous and smooth polymer (P3HT and PEDOT:PSS) layers are observed on the glass substrate. The ITO surface shows a surface roughness, with a layer of about 15 nm. Structural characteristics of the polymer blends were studied using Raman spectroscopy and photoluminescence (PL). Thecomplete reduction of PL of P3HT after mixing with C-60 in a 1: 1 wt% indicates an effective charge transfer from P3HT to C-60. Thermo-gravimetric analysis showed that the commercially bought materials are of high purity.
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