TITLE

Investigation of transport properties in polymer/fullerene blends using time-of-flight photocurrent measurements

AUTHOR(S)
Choulis, S. A.; Nelson, J.; Kim, Y.; Poplavskyy, D.; Kreouzis, T.; Durrant, J. R.; Bradley, D. D. C.
PUB. DATE
November 2003
SOURCE
Applied Physics Letters;11/3/2003, Vol. 83 Issue 18, p3812
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The electron and hole transport properties of blends of poly[2-methoxy-5-(3[sup ′],7[sup ′]-dimethyloctyloxy)-1-4-phenylene vinylene], (MDMO-PPV) and [6,6]-phenyl C[sub 61]-butyric acid methyl ester (PCBM) are investigated at room temperature using time-of-flight photocurrent measurements as a function of blend composition and laser excitation intensity. The experimental results are consistent with the notion of a mobility edge for holes in this material that delineates long-lived trapping and mobile carrier states. Electron transport in PCBM appears to be less dispersive than that of holes in MDMO-PPV in the blend, with electron mobilities in the former exceeding hole mobilities in the latter by up to two orders of magnitude. Photocurrent generation in corresponding solar cell devices may therefore be limited by the low hole mobility of MDMO-PPV. © 2003 American Institute of Physics.
ACCESSION #
11209989

 

Related Articles

  • Metallated conjugated polymers as a new avenue towards high-efficiency polymer solar cells. Wai-Yeung Wong; Xing-Zhu Wang; Ze He; Djurišić, Aleksandra B.; Cho-Tung Yip; Kai-Yin Cheung; Hai Wang; Mak, Chris S. K.; Wai-Kin Chan // Nature Materials;Jul2007, Vol. 6 Issue 7, p521 

    Bulk heterojunction solar cells have been extensively studied owing to their great potential for cost-effective photovoltaic devices. Although recent advances resulted in the fabrication of poly(3-hexylthiophene) (P3HT)/fullerene derivative based solar cells with efficiencies in the range...

  • Solar-powered device uses triple-junction technology to charge iPods and mobiles.  // Electronics Weekly;4/11/2007, Issue 2283, p5 

    The article reports that Flexopower is using a-Si and a-SiGe triple-junction photovoltaic technology for its flexible iPod and mobile phone recharger. Flexopower's director, Werner Fischer said that the firm has a distribution point in the European Union (EU) to support its entery into the EU...

  • Fullerene-grafted block copolymers used as compatibilizer in P3HT/PCBM bulk heterojunctions: morphology and photovoltaic performances. Gernigon, V.; Lévêque, P.; Brochon, C.; Audinot, J.-N.; Leclerc, N.; Bechara, R.; Richard, F.; Heiser, T.; Hadziioannou, G. // European Physical Journal - Applied Physics;Dec2011, Vol. 56 Issue 3, pN.PAG 

    The nanostructure of the active layer in polymer/fullerene bulk heterojunction solar cells is known to have a strong impact on the device performances. Controlling the polymer/fullerene blend morphology is therefore particularly important. In this work, a rod-coil block copolymer, based on a...

  • Interface modification for highly efficient organic photovoltaics. Steim, Roland; Choulis, Stelios A.; Schilinsky, Pavel; Brabec, Christoph J. // Applied Physics Letters;3/3/2008, Vol. 92 Issue 9, p093303 

    We present highly efficient inverted polymer:fullerene bulk-heterojunction solar cells by incorporation of a nanoscale organic interfacial layer between the indium tin oxide (ITO) and the metal oxide electron-conducting layer. We demonstrate that stacking of solution-processed organic and metal...

  • Morphology evolution via self-organization and lateral and vertical diffusion in polymer:fullerene solar cell blends. Campoy-Quiles, Mariano; Ferenczi, Toby; Agostinelli, Tiziano; Etchegoin, Pablo G.; Kim, Youngkyoo; Anthopoulos, Thomas D.; Stavrinou, Paul N.; Bradley, Donal D. C.; Nelson, Jenny // Nature Materials;Feb2008, Vol. 7 Issue 2, p158 

    Control of blend morphology at the microscopic scale is critical for optimizing the power conversion efficiency of plastic solar cells based on blends of conjugated polymer with fullerene derivatives. In the case of bulk heterojunctions of regioregular poly(3-hexylthiophene) (P3HT) and a soluble...

  • Simple tandem organic photovoltaic cells for improved energy conversion efficiency. Chunfu Zhang; Shi Wun Tong; Changyun Jiang; Kang, E. T.; Chan, D. S. H.; Chunxiang Zhu // Applied Physics Letters;2/25/2008, Vol. 92 Issue 8, p083310 

    We proposed and demonstrated a simple tandem structure of organic photovoltaic (PV) cell for efficient light harvesting. In this device structure, a soluble fullerene derivative of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) is employed simultaneously to form a bilayer heterojunction PV...

  • Investigation of the solvent influence on polymer-fullerene solar cells by low frequency noise spectroscopy1. Landi, G.; Barone, C.; Pagano, S.; De Sio, A.; Neitzert, H.C. // Canadian Journal of Physics;Jul2014, Vol. 92 Issue 7/8, p879 

    The electron density of states and recombination kinetics of bulk heterojunction solar cells have been determined by means of low-frequency noise spectroscopy at room temperature and in dark conditions. The observed differences in the disorder parameter and electron lifetime are attributed to a...

  • Near-infrared photosensitive composites with electron conductivity. Davidenko, N. A.; Derevyanko, N. A.; Ishchenko, A. A.; Kulinich, A. V.; Spitsyna, N. G.; Lobach, A. S.; Studzinskii, S. L. // High Energy Chemistry;Sep2006, Vol. 40 Issue 5, p336 

    Polymer composite films were prepared on the basis of poly(vinyl ethylal) doped with a low concentration of an anionic polymethine dye that absorbs light in the near IR region and a higher concentration of 2,4,5,7-tetranitro-9-fluorenone or tetrakis(benzylamino)octahydrofullerene organic...

  • Polimerowe ogniwa sÅ‚oneczne.  // Polimery;2011, Vol. 56 Issue 2, p99 

    No abstract available.

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics