TITLE

Origin of high open-circuit voltage in a planar heterojunction solar cell containing a non-fullerene acceptor

AUTHOR(S)
Nongyi Cheng; Yuelin Peng; Andrew, Trisha L.
PUB. DATE
September 2017
SOURCE
Applied Physics Letters;9/25/2017, Vol. 111 Issue 13, p133901-1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Vapor-deposited, planar heterojunction organic solar cells containing a periflanthene donor and either a fullerene or non-fullerene acceptor are investigated. A high VOC of 1.16V is observed in devices containing the non-fullerene, pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis(4-chlorophenyl)-2,5- dihydro acceptor, whereas analogous devices containing C60 only result in a VOC of 0.8 V. The measured band energy levels of the two different acceptors do not readily explain the observed difference. Small-perturbation transient photovoltage and transient photocurrent measurements reveal that interfacial charge recombination is comparatively slower for the non-fullerene acceptor, resulting in relatively higher Voc values.
ACCESSION #
125463937

 

Related Articles

  • Why the apparent order of bimolecular recombination in blend organic solar cells can be larger than two: A topological consideration. Nenashev, A. V.; Wiemer, M.; Dvurechenskii, A. V.; Gebhard, F.; Koch, M.; Baranovskii, S. D. // Applied Physics Letters;7/18/2016, Vol. 109 Issue 3, p033301-1 

    The apparent order δ of non-geminate recombination higher than δ=2 has been evidenced in numerous experiments on organic bulk heterojunction (BHJ) structures intensively studied for photovoltaic applications. This feature is claimed puzzling, since the rate of the bimolecular recombination...

  • Correlation between density of paramagnetic centers and photovoltaic degradation in polythiophene-fullerene bulk heterojunction solar cells. Bauld, Reg; Fleury, Leesa M.; Van Walsh, Marima; Fanchini, Giovanni // Applied Physics Letters;9/3/2012, Vol. 101 Issue 10, p103306 

    We investigated the physical processes underlying the degradation of poly(3-hexyl-thiophene):phenyl-C61-butyric acid methyl ester (P3HT:PCBM) photovoltaics under harsh environmental conditions during a 70-70-70 test (70% humidity at 70 °C from 0 to 70 h) using a variety of analytical...

  • Effect of carbon nanotube incorporation into polythiophene-fullerene-based organic solar cells. Skupov, Kirill; Adronov, Alex // Canadian Journal of Chemistry;Jan2014, Vol. 92 Issue 1, p68 

    The effect of single-walled carbon nanotube (SWNT) incorporation within bulk heterojunction photovoltaic devices based on poly(3-hexylthiophene) − [6,6]-phenyl-C61-butyric acid methyl ester (P3HT−PCBM) (1:1 w/ w) active layers was investigated. Both full-length and shortened SWNTs...

  • Enhanced power-conversion efficiency in polymer solar cells using an inverted device structure. He, Zhicai; Zhong, Chengmei; Su, Shijian; Xu, Miao; Wu, Hongbin; Cao, Yong // Nature Photonics;Sep2012, Vol. 6 Issue 9, p593 

    Polymer-fullerene bulk heterojunction solar cells (PSCs) are currently attracting a great deal of attention and gaining increasing importance, having already shown great promise as renewable, lightweight and low-cost energy sources. Recently, the power-conversion efficiency of state-of-the-art...

  • Carrier Formation Dynamics of Organic Photovoltaics as Investigated by Time-Resolved Spectroscopy. Yonezawa, Kouhei; Ito, Minato; Kamioka, Hayato; Yasuda, Takeshi; Liyuan Han; Moritomo, Yutaka // Advances in Optical Technologies;2012, p1 

    Bulk heterojunction (BHJ) based on a donor (D) polymer and an acceptor (A) fullerene derivative is a promising organic photovoltaics (OPV). In order to improve the incident photon-to-current efficiency (IPCE) of the BHJ solar cell, a comprehensive understanding of the ultrafast dynamics of...

  • Active Layer Morphological Study of Small Molecules Vacuum Deposited Single Planar, Multilayer or Bulk Heterojunction Organic Solar Cells. Hojeij, Wassim; Radbeh, Roshanak; Brousse, Benoit; Ratier, Bernard; Moliton, André // Nonlinear Optics, Quantum Optics: Concepts in Modern Optics;2007, Vol. 37 Issue 1-3, p145 

    Solar cells achieved by vacuum sublimation of the CuPc-C60 donor-acceptor couple are compared according to their active layer structure: single planar, bulk or multilayer heterojunction. The best photovoltaic properties, measured in open air, are obtained with the single planar heterojunction...

  • INVESTIGATION OF PHOTOVOLTAIC PROPERTIES of p-InSe/n-CdS HETEROJUNCTION SOLAR CELLS. YILMAZ, K. // Journal of Ovonic Research;May/Jun2014, Vol. 10 Issue 3, p1 

    In this work, n-CdS/p-InSe heterojunction structures were fabricated by successive thermal evaporation of CdS and InSe powders. The photovoltaic properties of SnO2/n-CdS/p-InSe/Metal sandwich structures were investigated through I-V, C-V and spectral response measurements. Various metal point...

  • COMBINED EFFECT OF ACTIVE LAYER THICKNESS AND LiF LAYER ON PHOTOVOLTAIC PERFORMANCE OF AN ANTHRACENE - CONTAINING PPE-PPV COPOLYMER. DOBRE, N.; DENK, P.; BOUDIBA, S.; SCHARBER, M.; SARICIFTCI, N. SERDAR; EGBE, D. A. M.; BUDA, M. // Digest Journal of Nanomaterials & Biostructures (DJNB);Oct-Dec2013, Vol. 8 Issue 4, p1475 

    The influence of the film thickness of anthracene-containing poly (p-phenyleneethynylene)- alt-poly (p-phenylene-vinylene) (PPE-PPV) copolymers (AnE-PVstat) with phenyl C61 acid butyric-methyl ester (PC61BM) blends has been investigated. By varying the film thickness a good impact on all...

  • Morphological Control Agent in Ternary Blend Bulk Heterojunction Solar Cells. Hsueh-Chung Liao; Po-Hsuen Chen; Chang, Robert P. H.; Wei-Fang Su // Polymers (20734360);2014, Vol. 6 Issue 11, p2784 

    Bulk heterojunction (BHJ) organic photovoltaic (OPV) promise low cost solar energy and have caused an explosive increase in investigations during the last decade. Control over the 3D morphology of BHJ blend films in various length scales is one of the pillars accounting for the significant...

  • Squaraine Planar-Heterojunction Solar Cells. Fan, Bin; Maniglio, Ylenia; Simeunovic, Marina; Kuster, Simon; Geiger, Thomas; Hany, Roland; Nüesch, Frank // International Journal of Photoenergy;Jan2009, Special section p1 

    The photovoltaic performance of squaraine-based organic solar cells is investigated. Two squaraine derivatives with extraordinarily high extinction coefficients are used as electron donors in bilayer heterojunctions with fullerene C60 as electron acceptor. Due to the very strong squaraine...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

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

Try another library?
Sign out of this library

Other Topics