Abstract
Conductive polymer poly-3-hexylthiophene (P3HT) needles were self-assembled using a second component (indandione derivatives) as a linking agent to enhance their long range alignment. The morphologies of the hybrid organic/organic materials were characterized by transmission electron microscopy (TEM). Both linear and branched structures could be produced, with the degree of branching depending upon the linker used. Incorporation of indandione derivatives broadened the UV absorbance band of P3HT without significant change to its photoluminescence. This hybrid material could open a promising avenue in photovoltaic applications due to its interesting morphologies and optical properties.
Highlights
Since the discovery of the photovoltaic (PV) effect by the French physicist Edmond Becquerel in1839, many materials have been investigated for their PV properties
Su et al enhanced the performance of photovoltaic device by blending (P3HT) with polymethylmethacrylate (PMMA) [13]
Combining P3HT and the indandione derivatives led to the self-assembly of an extended nanofiber network (Figures 1c,2c)
Summary
Since the discovery of the photovoltaic (PV) effect by the French physicist Edmond Becquerel in1839, many materials have been investigated for their PV properties. Conjugated polymers such as Poly-3-hexylthiophene (P3HT) have received considerable interest for use in polymer solar cell (PSC) fields due to their processability, flexibility and excellent electrical properties [1,2,3,4,5]. It has been widely reported that the electrical performance of P3HT depends strongly on its orientation, morphology and on its crystal structure [6,7,8]. Recent developments have shown that modified P3HT with inorganic moieties [10] and homopolymer provides a simple and low-cost method to fabricate nanostructured materials for optoelectronic applications [11,12]. Su et al enhanced the performance of photovoltaic device by blending (P3HT) with polymethylmethacrylate (PMMA) [13]
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