Characterization and optimization of poly (3-hexylthiophene-2, 5- diyl) (P3HT) and [6, 6] phenyl-C61-butyric acid methyl ester (PCBM) blends for optical absorption | Zendy

G. Kalonga | Zendy

Open Access

Characterization and optimization of poly (3-hexylthiophene-2, 5- diyl) (P3HT) and [6, 6] phenyl-C61-butyric acid methyl ester (PCBM) blends for optical absorption

Author(s) -

G. Kalonga

Publication year - 2013

Publication title -

journal of chemical engineering and materials science

Language(s) - English

Resource type - Journals

ISSN - 2141-6605

DOI - 10.5897/jcems2013.0148

Subject(s) - materials science , annealing (glass) , fullerene , absorption spectroscopy , absorbance , polymer chemistry , fourier transform infrared spectroscopy , analytical chemistry (journal) , chemical engineering , organic chemistry , chemistry , composite material , optics , chromatography , physics , engineering

Thin films were developed, characterized, and optimized for optical absorbance from blends of organic polymer poly (3-hexylthiophene-2, 5- diyl) (P3HT) and the fullerene derivative [6, 6] phenyl-C61-butyric acid methyl ester (PCBM). The materials of both pristine and blends were analyzed using X-ray diffraction spectroscopy and high resolution transmission electron microscopy for structural properties, and fourier transform infra-red and UV-VIS spectroscopy for optical properties. The study evaluated the effects of altering the blend ratio and annealing temperature on absorption. The ratios were made by varying the weight of PCBM whilst keeping that of P3HT constant. Eleven different ratios were made with each exhibiting its own optimal annealing temperature and absorption. The optimum ratio was determined and found to be at 1:1 with an annealing temperature of 100oC for 30 min duration.

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