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Influence of doped PEDOT ∶PSS on performance of polymer solar cells

Hao Zhi-Hong Hu Zi-Yang Zhang Jian-Jun Hao Qiu-Yan Zhao Ying

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Influence of doped PEDOT ∶PSS on performance of polymer solar cells

Hao Zhi-Hong, Hu Zi-Yang, Zhang Jian-Jun, Hao Qiu-Yan, Zhao Ying
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  • In this paper, we investigate the doping effect on conductivity of poly(3,4-ethylene dioxythiophene):poly (styrenesulphonic acid)(PEDOT ∶PSS)and its influence on performance of polymer solar cell. The experiment demonstrates that the conductivity of PEDOT ∶PSS is improved obviously by doping polar solvent dimethyl sulfoxide (DMSO). The maximum of the conductivity is 1.25 S/cm when the doping concentration reaches 10 wt%, which increases about three orders of magnitude compared with the undoped. Based on doped PEDOT ∶PSS used as an anode buffer layer, the polymer solar cell (ITO/PEDOT ∶PSS/P3HT:PCBM/LiF/Al) shows an improvement of hole charge transport as well as an increase of short-circuit current density and a reduction of series resistance, owing to the higher conductivity of the doped PEDOT ∶PSS. Consequently, it improves the whole performance of polymer solar cell. The short-circuit current density (Jsc) of 11.09 mAcm-2, the open circuit voltage (Voc) of 0.63 V, and the fill factor (FF) of 63.7% are obtained under 100 mW/cm2 air-mass solar simulator illumination, yielding a 4.45% power conversion efficiency ().
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  • [1]

    Ma W L, Yang C Y, Gong X, Lee K, Heeger A J 2005 Adv. Funct. Mater. 15 1617

    [2]
    [3]

    Li G, Shrotriya V, Yao Y, Yang Y 2005 Nat. Mater. 4 864

    [4]
    [5]

    Scharber M C, Mhlbacher D, Koppe M, Denk P, Waldauf C, Heeger A J, Brabec C J 2006 Adv. Mater. 18 789

    [6]
    [7]

    Yang X N, Loos J, Veenstra S C, Verhees W J H, Wienk M M, Kroon J M, Michels M A J, Janssen R A J 2005 Nano Lett. 5 4

    [8]
    [9]

    Li G, Yao Y, Yang H C, Shrotriya V, Yang G W, Yang Y 2007 Adv. Funct. Mater. 17 1636

    [10]
    [11]

    Yu H Z, Peng J B, Zhou X M 2008 Acta Phys. Sin. 57 3898 (in Chinese) [於黄忠、彭俊彪、周晓明 2008 物理学报 57 3898]

    [12]

    Xu M, Peng J B 2010 Acta Phys. Sin. 59 2131 (in Chinese) [徐 苗、彭俊彪 2010 物理学报 59 2131]

    [13]
    [14]
    [15]

    Hoppe H, Sariciftci N S 2006 J. Mater. Chem. 16 45

    [16]

    Moliton A, Nunzi J M 2006 Polym. Int. 55 583

    [17]
    [18]
    [19]

    Riedel I, Parisi J, Dyakonov V, Lutsen L, Vanderzande D, Hummelen J C 2004 Adv. Funct. Mater. 14 38

    [20]

    Mazhari B 2006 Sol. Energy Mater Sol. Cells 90 1021

    [21]
    [22]
    [23]

    Xue J G, Uchida S, Rand B P, Forrest S R 2004 Appl. Phys. Lett. 84 3013

    [24]

    Zhang F L, Gadisa A, Inganas O, Svensson M, Andersson M R 2004 Appl. Phys. Lett. 84 3906

    [25]
    [26]

    Kim J Y, Jung J H, Lee D E, Joo J 2002 Synth. Metal. 126 311

    [27]
    [28]
    [29]

    Snait H J, Kenrick H, Chiesa M, Friend R H 2005 Polymer 46 2573

    [30]
    [31]

    Huang J, Miller P F, Wilson J S, de Mello A J, de Mello J C, Bradley D D C 2005 Adv. Funct. Mater. 15 290

    [32]
    [33]

    Crispin X, Jakobsson F L E, Crispin A, Grim P C M, Andersson P, Volodin A, van Haesendonck C, van der Auweraer M, Salaneck W R, Berggren M 2006 Chem. Mater. 18 4354

    [34]
    [35]

    Wang T J, Qi Y Q, Xu J K, Hu X J, Chen P 2005 Appl. Surf. Sci. 250 188

    [36]
    [37]

    Ko C J, Lin Y K, Chen F C, Chu C W 2007 Appl. Phys. Lett. 90 063509

    [38]

    Braun D, Heeger A J 1991 J. Electron. Mater. 20 945

    [39]
    [40]
    [41]

    Huang Y F, Inigo A R, Chang C C, Li K C, Liang C F, Chang C W, Lim T S, Chen S H, White J D, Jeng U S, Su A C, Huang Y S, Peng K Y, Chen S A, Pai W W, Lin C H, Tameev A R, Novikov S V, Vannikov A V, Fann W S 2007 Adv. Funct. Mater. 17 2902

    [42]

    Mihailetchi V D, Xie H, de Bore B, L Koster J A, Blom P W M 2006 Adv. Funct. Mater. 19 699

    [43]
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  • PDF Downloads:  860
  • Cited By: 0
Publishing process
  • Received Date:  21 December 2010
  • Accepted Date:  08 February 2011
  • Published Online:  15 November 2011

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