Online citations, reference lists, and bibliographies.
Please confirm you are human
(Sign Up for free to never see this)
← Back to Search

The Effect Of Diiodooctane On The Charge Carrier Generation In Organic Solar Cells Based On The Copolymer PBDTTT-C

Andreas Zusan, B. Gieseking, Mario Zerson, V. Dyakonov, R. Magerle, C. Deibel
Published 2015 · Materials Science, Medicine

Save to my Library
Download PDF
Analyze on Scholarcy
Share
Microstructural changes and the understanding of their effect on photocurrent generation are key aspects for improving the efficiency of organic photovoltaic devices. We analyze the impact of a systematically increased amount of the solvent additive diiodooctane (DIO) on the morphology of PBDTTT-C:PC71BM blends and related changes in free carrier formation and recombination by combining surface imaging, photophysical and charge extraction techniques. We identify agglomerates visible in AFM images of the 0% DIO blend as PC71BM domains embedded in an intermixed matrix phase. With the addition of DIO, a decrease in the size of fullerene domains along with a demixing of the matrix phase appears for 0.6% and 1% DIO. Surprisingly, transient absorption spectroscopy reveals an efficient photogeneration already for the smallest amount of DIO, although the largest efficiency is found for 3% DIO. It is ascribed to a fine-tuning of the blend morphology in terms of the formation of interpenetrating donor and acceptor phases minimizing geminate and nongeminate recombination as indicated by charge extraction experiments. An increase in the DIO content to 10% adversely affects the photovoltaic performance, most probably due to an inefficient free carrier formation and trapping in a less interconnected donor-acceptor network.
This paper references
10.1002/adma.201200874
A new approach for probing the mobility and lifetime of photogenerated charge carriers in organic solar cells under real operating conditions.
A. Baumann (2012)
10.1021/ja4093874
Ultrafast charge separation in organic photovoltaics enhanced by charge delocalization and vibronically hot exciton dissociation.
H. Tamura (2013)
10.1002/ADFM.201002358
Influence of Phase Segregation on Recombination Dynamics in Organic Bulk‐Heterojunction Solar Cells
A. Baumann (2011)
Charge carrier mobility
10.1002/ADFM.200305026
Nanoscale Morphology of Conjugated Polymer/Fullerene-Based Bulk- Heterojunction Solar Cells†
H. Hoppe (2004)
10.1021/JZ200155B
Photogeneration and Recombination in P3HT/PCBM Solar Cells Probed by Time-Delayed Collection Field Experiments
Juliane Kniepert (2011)
10.1002/ADMA.200800982
Exciton Diffusion Measurements in Poly(3‐hexylthiophene)
P. E. Shaw (2008)
10.1002/ADMA.200802854
Recent Progress in Polymer Solar Cells: Manipulation of Polymer:Fullerene Morphology and the Formation of Efficient Inverted Polymer Solar Cells
L. Chen (2009)
10.1002/AENM.201100083
Low‐Temperature Behaviour of Charge Transfer Excitons in Narrow‐Bandgap Polymer‐Based Bulk Heterojunctions
D. Jarzab (2011)
10.1021/ja200314m
Bulk heterojunction solar cells using thieno[3,4-c]pyrrole-4,6-dione and dithieno[3,2-b:2',3'-d]silole copolymer with a power conversion efficiency of 7.3%.
T. Chu (2011)
10.1039/C2EE03466B
Exciton diffusion length in narrow bandgap polymers
O. Mikhnenko (2012)
10.1103/PhysRevB.86.115302
Shockley equation parameters of P3HT:PCBM solar cells determined by transient techniques
A. Foertig (2012)
10.1103/PHYSREVLETT.45.1348
Nongeminate recombination of a-Si:H
J. Mort (1980)
10.1038/NMAT1928
Efficiency enhancement in low-bandgap polymer solar cells by processing with alkane dithiols.
J. Peet (2007)
10.1021/JP310821F
Free Carrier Generation in Fullerene Acceptors and Its Effect on Polymer Photovoltaics
G. Burkhard (2012)
10.1002/AENM.201300194
Relating Recombination, Density of States, and Device Performance in an Efficient Polymer:Fullerene Organic Solar Cell Blend
Steven A Hawks (2013)
10.1002/adma.201304373
25th anniversary article: Bulk heterojunction solar cells: understanding the mechanism of operation.
A. Heeger (2014)
10.1021/ja2085564
Effects of additives on the morphology of solution phase aggregates formed by active layer components of high-efficiency organic solar cells.
Sylvia J. Lou (2011)
10.1103/PHYSREVB.78.113201
Bimolecular recombination losses in polythiophene: Fullerene solar cells
C. Shuttle (2008)
10.1021/ja305039j
Fluorinated copolymer PCPDTBT with enhanced open-circuit voltage and reduced recombination for highly efficient polymer solar cells.
S. Albrecht (2012)
10.1039/c0cs00045k
Influence of blend microstructure on bulk heterojunction organic photovoltaic performance.
C. Brabec (2011)
10.1002/aenm.201200304
Excitation Dynamics in Low Band Gap Donor–Acceptor Copolymers and Blends
Bjorn Gieseking (2012)
10.1126/science.1246249
Ultrafast Long-Range Charge Separation in Organic Semiconductor Photovoltaic Diodes
Simon Gélinas (2014)
10.1063/1.3202389
Charge Carrier Concentration and Temperature Dependent Recombination in Polymer-Fullerene Solar Cells
A. Foertig (2009)
10.1002/ADFM.201203148
Charge Photogeneration for a Series of Thiazolo-Thiazole Donor Polymers Blended with the Fullerene Electron Acceptors PCBM and ICBA
Safa Shoaee (2013)
10.1002/AENM.201200377
Absolute Measurement of Domain Composition and Nanoscale Size Distribution Explains Performance in PTB7:PC71BM Solar Cells
B. Collins (2013)
10.1002/AENM.201400922
The Crucial Influence of Fullerene Phases on Photogeneration in Organic Bulk Heterojunction Solar Cells
Andreas Zusan (2014)
10.1002/AENM.201200718
Nongeminate Recombination in Planar and Bulk Heterojunction Organic Solar Cells
A. Foertig (2012)
10.1021/ja710079w
Processing additives for improved efficiency from bulk heterojunction solar cells.
J. Lee (2008)
10.1002/adma.201104863
High-performance inverted polymer solar cells with solution-processed titanium chelate as electron-collecting layer on ITO electrode.
Zhan'ao Tan (2012)
10.1021/cr900271s
Charge photogeneration in organic solar cells.
Tracey M. Clarke (2010)
10.1002/ADFM.201302134
Nongeminate and Geminate Recombination in PTB7:PCBM Solar Cells
A. Foertig (2014)
10.1126/SCIENCE.287.5454.839
Two-dimensional electronic excitations in self-assembled conjugated polymer nanocrystals
Osterbacka (2000)
10.1038/ncomms3867
Determining the optimum morphology in high-performance polymer-fullerene organic photovoltaic cells
G. Hedley (2013)
10.1088/0034-4885/73/9/096401
Polymer–fullerene bulk heterojunction solar cells
C. Deibel (2010)
10.1063/1.3601474
Morphology control in polycarbazole based bulk heterojunction solar cells and its impact on device performance
T. Chu (2011)
10.1002/adma.201302563
25th anniversary article: a decade of organic/polymeric photovoltaic research.
L. Dou (2013)
10.1063/1.2891871
Experimental determination of the rate law for charge carrier decay in a polythiophene: Fullerene solar cell
C. Shuttle (2008)
20@BULLET10 -8 m 2 (Vs) -1 were derived as average values in the non-shaded time range for PBDTTT-C:PC 71 BM devices with 0 %, 1 %, 3 %, and 10 %, respectively
10.1039/C1SC00674F
Fullerene crystallisation as a key driver of charge separation in polymer/fullerene bulk heterojunction solar cells
F. Jamieson (2012)
10.1038/nmat3807
Efficient charge generation by relaxed charge-transfer states at organic interfaces.
K. Vandewal (2014)
10.1002/adma.201305283
On the efficiency of charge transfer state splitting in polymer:fullerene solar cells.
S. Albrecht (2014)
10.1039/B510618B
Morphology of polymer/fullerene bulk heterojunction solar cells
Harald Hoppe (2006)
10.1021/nn202951e
Molecular order in high-efficiency polymer/fullerene bulk heterojunction solar cells.
M. R. Hammond (2011)
10.1002/adma.201400384
Understanding low bandgap polymer PTB7 and optimizing polymer solar cells based on it.
L. Lu (2014)
10.1016/J.MATTOD.2013.08.013
Additives for morphology control in high-efficiency organic solar cells
Hsueh-Chung Liao (2013)
10.1021/ja411859m
Unequal partnership: asymmetric roles of polymeric donor and fullerene acceptor in generating free charge.
B. Savoie (2014)
10.1002/ADFM.200390011
Effects of Postproduction Treatment on Plastic Solar Cells
F. Padinger (2003)
10.1038/NPHOTON.2009.192
Polymer solar cells with enhanced open-circuit voltage and efficiency
Hsiang-Yu Chen (2009)
10.1021/jz3000849
On the Field Dependence of Free Charge Carrier Generation and Recombination in Blends of PCPDTBT/PC70BM: Influence of Solvent Additives.
S. Albrecht (2012)
10.1021/JP0217738
Contactless Determination of the Photoconductivity Action Spectrum, Exciton Diffusion Length, and Charge Separation Efficiency in Polythiophene-Sensitized TiO2 Bilayers
Jessica E. Kroeze (2003)
10.1103/PHYSREVB.86.165201
Meaning of reaction orders in polymer:fullerene solar cells
T. Kirchartz (2012)
10.1021/ja208642b
Examining the effect of the dipole moment on charge separation in donor-acceptor polymers for organic photovoltaic applications.
Bridget Carsten (2011)
10.1002/AENM.201400311
Electron Collection as a Limit to Polymer:PCBM Solar Cell Efficiency: Effect of Blend Microstructure on Carrier Mobility and Device Performance in PTB7:PCBM
Samuel Foster (2014)
10.1038/NPHOTON.2012.190
Enhanced power-conversion efficiency in polymer solar cells using an inverted device structure
Zhicai He (2012)
10.1002/anie.201103313
Replacing alkoxy groups with alkylthienyl groups: a feasible approach to improve the properties of photovoltaic polymers.
L. Huo (2011)
10.1002/ADFM.200900775
Morphology Control in Solution‐Processed Bulk‐Heterojunction Solar Cell Mixtures
A. Moulé (2009)
10.1021/JA074657X
Watching electrons move in real time: ultrafast infrared spectroscopy of a polymer blend photovoltaic material.
Larry W. Barbour (2007)
10.1002/adma.200903528
For the bright future-bulk heterojunction polymer solar cells with power conversion efficiency of 7.4%.
Yongye Liang (2010)
10.1016/J.ORGEL.2003.12.005
Oxygen-induced quenching of photoexcited states in polythiophene films
L. Lüer (2004)
10.1063/1.4711849
Direct and charge transfer state mediated photogeneration in polymer–fullerene bulk heterojunction solar cells
M. Mingebach (2012)
10.1103/PHYSREVLETT.101.037401
Below-gap excitation of pi-conjugated polymer-Fullerene blends: implications for bulk organic heterojunction solar cells.
T. Drori (2008)
10.1126/science.1217745
The Role of Driving Energy and Delocalized States for Charge Separation in Organic Semiconductors
A. Bakulin (2012)
10.1063/1.3516392
Charge carrier extraction by linearly increasing voltage: Analytic framework and ambipolar transients
J. Lorrmann (2010)
J. Am. Chem. Soc
(2007)
Low - temperature behaviour of charge transfer excitons in narrow - bandgap polymerbased bulk heterojunctions Watching electrons move in real time
A. Baumann
10.1016/J.CPLETT.2009.06.091
Estimate of singlet diffusion lengths in PCBM films by time-resolved emission studies
S. Cook (2009)
10.1103/PHYSREVB.83.115209
Recombination via tail states in polythiophene:fullerene solar cells
T. Kirchartz (2011)
10.1063/1.4818267
The physical meaning of charge extraction by linearly increasing voltage transients from organic solar cells
Robert A. Hanfland (2013)



This paper is referenced by
10.1002/CPTC.201700170
Optimization of the Donor Material Structure and Processing Conditions to Obtain Efficient Small‐Molecule Donors for Bulk Heterojunction Solar Cells
Manohar Reddy Busireddy (2018)
10.1039/c8nr00292d
Eliminating the solvent blocking requirement of interconnection layers in polymer tandem solar cells by thin-film transfer technique.
Yoonseok Ka (2018)
10.1021/acsami.6b04622
Unraveling the Fundamental Mechanisms of Solvent-Additive-Induced Optimization of Power Conversion Efficiencies in Organic Photovoltaic Devices.
N. Herath (2016)
10.1039/c7cp07725d
Solvent-mediated aggregate formation of PNDIT2: decreasing the available conformational subspace by introducing locally highly ordered domains.
D. L. Meyer (2018)
10.1080/14686996.2016.1261602
Ternary semitransparent organic solar cells with a laminated top electrode
M. Makha (2017)
10.1002/ADFM.201601037
Improved All‐Polymer Solar Cell Performance by Using Matched Polymer Acceptor
Shaohua Shi (2016)
10.1002/SOLR.201800229
Apparent Field‐Dependence of the Charge Carrier Generation in Organic Solar Cells as a Result of (Bimolecular) Recombination
U. Wuerfel (2018)
10.1021/ACS.JPCC.5B09842
Temperature- and Energy-Dependent Separation of Charge-Transfer States in PTB7-Based Organic Solar Cells
M. Gerhard (2015)
10.1021/ACS.JPCC.8B02859
Processing Methods for Obtaining a Face-On Crystalline Domain Orientation in Conjugated Polymer-Based Photovoltaics
Taylor J. Aubry (2018)
10.1039/C7TC05075E
Investigating the effect of heteroatom substitution in 2,1,3-benzoxadiazole and 2,1,3-benzothiadiazole compounds for organic photovoltaics
J. Cameron (2018)
10.1016/J.ORGEL.2016.04.010
Dramatically enhanced performances and ideally controlled nano-morphology via co-solvent processing in low bandgap polymer solar cells
Y. Kim (2016)
10.1016/J.SYNTHMET.2019.02.015
9,9′-Bifluorenylidene-diketopyrrolopyrrole donors for non-polymeric solution processed solar cells
Ajeesh Chandrasekharan (2019)
10.1007/978-3-319-28338-8_11
Charge Carrier Generation, Recombination, and Extraction in Polymer–Fullerene Bulk Heterojunction Organic Solar Cells
F. Laquai (2017)
10.1016/j.dyepig.2019.108083
A systematic evaluation of triisopropylsilylethynyl-substituted thienyl side chain effects on series of benzo[1,2-b:4,5-b′]dithiophene based polymer donors and their photovoltaic performances
Gururaj P Kini (2020)
Exciton Dynamics and Charge Separation in Polymer Thin Films
Philipp Ehrenreich (2018)
10.1039/C7PY00924K
Cyclometalated Pt complex-based random terpolymers for efficient polymer solar cells
Zheng Wan (2017)
10.1039/C6RA22897F
Acceptor-donor-acceptor small molecules based on derivatives of 3,4-ethylenedioxythiophene for solution processed organic solar cells
B. Y. Antwi (2016)
10.1117/1.JPE.6.035502
Effect of organic small-molecule hole injection materials on the performance of inverted organic solar cells
Jie Li (2016)
Using Self-Assembly to Control Nanoscale Morphology in Semiconducting Polymers for Application in Organic Photovoltaics
A. Ferreira (2015)
10.1002/AENM.201602596
Hybrid Perovskites: Effective Crystal Growth for Optoelectronic Applications
T. Jeon (2017)
Rheology and Structure Formation in Complex Polymer Melts
L. Schneider (2019)
10.1021/ACS.JPCC.8B04192
Low-Vapor-Pressure Solvent Additives Function as Polymer Swelling Agents in Bulk Heterojunction Organic Photovoltaics
Matthew T. Fontana (2018)
10.1088/1361-6463/AB092B
Simple alcohol solvent treatment enables efficient non-fullerene organic solar cells
T. Kong (2019)
10.1016/J.CHEMPHYS.2017.06.007
Benzodichalcogenophene-Diketopyrrolopyrrole Small Molecules as Donors for Efficient Solution Processable Solar Cells
L. Fan (2017)
10.1002/AELM.201800499
Semiconducting Polymer Thin Films Used in Organic Solar Cells: A Scanning Tunneling Microscopy Study
Irving Caballero-Quintana (2018)
10.1002/SMTD.201800081
Combining Facile Synthetic Methods with Greener Processing for Efficient Polymer‐Perylene Diimide Based Organic Solar Cells
S. Dayneko (2018)
10.1039/C8TA01765D
Highly efficient and highly stable terpolymer-based all-polymer solar cells with broad complementary absorption and robust morphology
Aesun Kim (2018)
Design and performance analysis of organic solar cell incorporating photon upconverter and nanoplasmonic structures
Faysal Hakim (2018)
Molecular dynamics simulations of conjugated semiconducting molecules
Jack Wildman (2017)
10.1007/s10118-018-2128-5
Slight Structural Disorder in Bithiophene-based Random Terpolymers with Improved Power Conversion Efficiency for Polymer Solar Cells
Menghan Wang (2018)
10.1016/J.SOLENER.2017.02.032
Electrochemical and photocurrent characterization of polymer solar cells with improved performance after GO addition to the PEDOT:PSS hole transporting layer
A. Iwan (2017)
10.1021/acsami.6b07508
Following the TRMC Trail: Optimization of Photovoltaic Efficiency and Structure-Property Correlation of Thiophene Oligomers.
T. Ghosh (2016)
See more
Semantic Scholar Logo Some data provided by SemanticScholar