USLUER, Özlem; ABBAS, Mamatimin; WANTZ, Guillaume; VIGNAU, L.; HIRSCH, Lionel; GRANA, Eftychia; BROCHON, Cyril; CLOUTET, Eric; HADZIIOANNOU, Georges

doi:10.1021/mz500590d

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USLUER, Özlem
Laboratoire de Chimie des Polymères Organiques [LCPO]

ABBAS, Mamatimin
Laboratoire de l'intégration, du matériau au système [IMS]

WANTZ, Guillaume
Laboratoire de l'intégration, du matériau au système [IMS]

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ACS Macro Letters. 2014, vol. 3, n° 11, p. 1134-1138

Washington, D.C : American Chemical Society

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The effect of impurities on the optoelectronic and charge transport properties of semi-conducting polymers was investigated through the performance of organic photovoltaics (OPVs) and organic field effect transistors (OFETs), respectively. A model representative semi-conducting polymer, i.e. poly(3-hexylthiophene) (P3HT), was synthesized and purified using different methods such as precipitation, metals' complexation, and Soxhlet extraction. After the purification processes, each fraction was analyzed to determine its composition in metals (impurities) by various techniques. OFETs and OPVs fabricated from these purified polymer fractions were found to show different charge carrier properties and photovoltaic behaviors. The purest fraction which was obtained after soxhlet extraction complemented by metals' complexation with the help of eth-ylenediamine and 15-crown-5 ether showed the best performance in both OPVs and OFETs.< Leer menos

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Poly(3-hexylthiophene)

metal residues

purification

organic field-effect transistor

organic solar cell

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Metal Residues in Semiconducting Polymers: Impact on the Performance of Organic Electronic Devices

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