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Poly(4,8-bis(2-ethylhexyloxy)benzo[1,2-b:4,5-b ]dithiophene vinylene): Synthesis, Optical and Photovoltaic Properties
Chinese Acadamy of Science.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Biomolekylär och Organisk Elektronik. Linköpings universitet, Tekniska fakulteten.
Chinese Acadamy of Science.
Chinese Acadamy of Science.
Vise andre og tillknytning
2010 (engelsk)Inngår i: JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, ISSN 0887-624X, Vol. 48, nr 8, s. 1822-1829Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new benzodithiophene (BDT)-based polymer, poly(4,8-bis(2-ethylhexyloxy)benzo[1,2-b:4,5-b]dithiophene vinylene) (PBDTV), was synthesized by Pd-catalyzed Stille-coupling method. The polymer is soluble in common organic solvents and possesses high thermal stability. PBDTV film shows a broad absorption band covering from 350 nm to 618 nm, strong photoluminescence peaked at 545 nm and high hole mobility of 4.84 x 10(-3) cm(2)/Vs. Photovoltaic properties of PBDTV were studied by fabricating the polymer solar cells based on PBDTV as donor and PC70BM as acceptor. With the weight ratio of PBDTV: PC70BM of 1:4 and the active layer thickness of 65 nm, the power conversion efficiency of the device reached 2.63% with V-oc = 0.71 V, I-sc = 6.46 mA/cm(2), and FF = 0.57 under the illumination of AM1.5, 100 mW/cm(2).

sted, utgiver, år, opplag, sider
John Wiley and Sons, Ltd , 2010. Vol. 48, nr 8, s. 1822-1829
Emneord [en]
conjugated polymers, PC70BM, poly(benzodithiophene vinylene), polymer solar cells, synthesis, UV-Vis spectroscopy
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Identifikatorer
URN: urn:nbn:se:liu:diva-56298DOI: 10.1002/pola.23952ISI: 000276976300017OAI: oai:DiVA.org:liu-56298DiVA, id: diva2:318309
Tilgjengelig fra: 2010-05-07 Laget: 2010-05-07 Sist oppdatert: 2015-05-29

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