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• Journal article
  Hamilton R, Shuttle CG, O'Regan B, Hammant TC, Nelson J, Durrant JRet al., 2010,

  Recombination in Annealed and Nonannealed Polythiophene/Fullerene Solar Cells: Transient Photovoltage Studies versus Numerical Modeling

  , JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 1, Pages: 1432-1436, ISSN: 1948-7185
  • Author Web Link
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  • Citations: 142
• Journal article
  Horie M, Shen I-W, Tuladhar SM, Leventis H, Haque SA, Nelson J, Saunders BR, Turner MLet al., 2010,

  Poly(thienylenevinylene) prepared by ring-opening metathesis polymerization: Performance as a donor in bulk heterojunction organic photovoltaic devices

  , POLYMER, Vol: 51, Pages: 1541-1547, ISSN: 0032-3861
  • Author Web Link
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  • Citations: 23
• Journal article
  Haque SA, Nelson J, 2010,

  Toward Organic All-Optical Switching

  , SCIENCE, Vol: 327, Pages: 1466-1467, ISSN: 0036-8075
  • Author Web Link
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  • Citations: 52
• Journal article
  Shuttle CG, Hamilton R, Nelson J, O'Regan BC, Durrant JRet al., 2010,

  Measurement of Charge-Density Dependence of Carrier Mobility in an Organic Semiconductor Blend

  , ADVANCED FUNCTIONAL MATERIALS, Vol: 20, Pages: 698-702, ISSN: 1616-301X
  • Author Web Link
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  • Citations: 147
• Journal article
  Woebkenberg PH, Ishwara T, Nelson J, Bradley DDC, Haque SA, Anthopoulos TDet al., 2010,

  TiO₂ thin-film transistors fabricated by spray pyrolysis

  , APPLIED PHYSICS LETTERS, Vol: 96, ISSN: 0003-6951
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  • Citations: 51
• Journal article
  Keivanidis PE, Clarke TM, Lilliu S, Agostinelli T, Macdonald JE, Durrant JR, Bradley DDC, Nelson Jet al., 2010,

  Dependence of Charge Separation Efficiency on Film Microstructure in Poly(3-hexylthiophene-2,5-diyl): [6,6]-Phenyl-C₆₁ Butyric Acid Methyl Ester Blend Films

  , JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 1, Pages: 734-738, ISSN: 1948-7185
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  • Citations: 98
• Journal article
  Atienzar P, Ishwara T, Illy BN, Ryan MP, O'Regan BC, Durrant JR, Nelson Jet al., 2010,

  Control of Photocurrent Generation in Polymer/ZnO Nanorod Solar Cells by Using a Solution-Processed TiO₂ Overlayer

  , JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 1, Pages: 708-713, ISSN: 1948-7185
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  • Citations: 62
• Journal article
  Ballantyne AM, Ferenczi TAM, Campoy-Quiles M, Clarke TM, Maurano A, Wong KH, Zhang W, Stingelin-Stutzmann N, Kim J-S, Bradley DDC, Durrant JR, McCulloch I, Heeney M, Nelson J, Tierney S, Duffy W, Mueller C, Smith Pet al., 2010,

  Understanding the Influence of Morphology on Poly(3-hexylselenothiophene):PCBM Solar Cells

  , MACROMOLECULES, Vol: 43, Pages: 1169-1174, ISSN: 0024-9297
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  • Citations: 86
• Book chapter
  Brabec CJ, Mcculloch I, Nelson J, 2010,

  Determination and Control of Microstructure in Organic Photovoltaic Devices

  , Functional Supramolecular Architectures: For Organic Electronics and Nanotechnology, Pages: 827-860
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• Book chapter
  Kim Y, Cook S, Tuladhar SM, Choulis SA, Nelson J, Durrant JR, Bradley DDC, Giles M, Mc Culloch I, Ha CS, Ree Met al., 2010,

  A strong regioregularity effect in self-organizing conjugated polymer films and high-efficiency polythiophene: Fullerene solar cells

  , Materials for Sustainable Energy: A Collection of Peer-Reviewed Research and Review Articles from Nature Publishing Group, Pages: 63-69

  Low-cost photovoltaic energy conversion using conjugated molecular materials has become increasingly feasible through the development of organic ‘bulk heterojunction (BHJ)’ structures1−7, where efficient light-induced charge separation is enabled by a large-area donor–acceptor interface2,3. The highest efficiencies have been achieved using blends of poly(3-hexylthiophene) (P3HT) and a fullerene derivative8–12, but performance depends critically on the material properties and processing conditions. This variability is believed to be influenced by the self-organizing properties of P3HT, which means that both optical13,14and electronic15,16properties are sensitive to the molecular packing. However, the relationship between molecular nanostructure, optoelectronic properties of the blend material and device performance has not yet been demonstrated. Here we focus on the influence of polymer regioregularity (RR) on the molecular nanostructure, and hence on the resulting material properties and device performance.We find a strong influence of RR on solar-cell performance, which can be attributed to enhanced optical absorption and transport resulting from the organization of P3HT chains and domains. Further optimization of devices using the highest RR material resulted in a power conversion efficiency of 4.4%, even without optimization of electrodes7.

  • Abstract
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  • Citations: 20
• Journal article
  MacKenzie RCI, Frost JM, Nelson J, 2010,

  A numerical study of mobility in thin films of fullerene derivatives

  , The Journal of chemical physics, Vol: 132, Pages: 064904-064904
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• Journal article
  Frost JM, Faist MA, Nelson J, 2010,

  Energetic disorder in higher fullerene adducts: A quantum chemical and voltammetric study

  , Advanced Materials, Vol: 22, Pages: 4881-4884
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• Journal article
  Svanstrom CMB, Rysz J, Bernasik A, Budkowski A, Zhang F, Inganas O, Andersson MR, Magnusson KO, Benson-Smith JJ, Nelson J, Moons Eet al., 2009,

  Device Performance of APFO-3/PCBM Solar Cells with Controlled Morphology

  , ADVANCED MATERIALS, Vol: 21, Pages: 4398-+, ISSN: 0935-9648
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  • Citations: 50
• Journal article
  Krebs FC, Gevorgyan SA, Gholamkhass B, Holdcroft S, Schlenker C, Thompson ME, Thompson BC, Olson D, Ginley DS, Shaheen SE, Alshareef HN, Murphy JW, Youngblood WJ, Heston NC, Reynolds JR, Jia S, Laird D, Tuladhar SM, Dane JGA, Atienzar P, Nelson J, Kroon JM, Wienk MM, Janssen RAJ, Tvingstedt K, Zhang F, Andersson M, Inganas O, Lira-Cantu M, de Bettignies R, Guillerez S, Aernouts T, Cheyns D, Lutsen L, Zimmermann B, Wuerfel U, Niggemann M, Schleiermacher H-F, Liska P, Graetzel M, Lianos P, Katz EA, Lohwasser W, Jannon Bet al., 2009,

  A round robin study of flexible large-area roll-to-roll processed polymer solar cell modules

  , SOLAR ENERGY MATERIALS AND SOLAR CELLS, Vol: 93, Pages: 1968-1977, ISSN: 0927-0248
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  • Citations: 190
• Journal article
  Kim Y, Nelson J, Zhang T, Cook S, Durrant JR, Kim H, Park J, Shin M, Nam S, Heeney M, McCulloch I, Ha C-S, Bradley DDCet al., 2009,

  Distorted Asymmetric Cubic Nanostructure of Soluble Fullerene Crystals in Efficient Polymer:Fullerene Solar Cells

  , ACS NANO, Vol: 3, Pages: 2557-2562, ISSN: 1936-0851
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  • Citations: 64
• Journal article
  Dyer-Smith C, Benson-Smith JJ, Bradley DDC, Murata H, Mitchell WJ, Shaheen SE, Haque SA, Nelson Jet al., 2009,

  The Effect of Ionization Potential and Film Morphology on Exciplex Formation and Charge Generation in Blends of Polyfluorene Polymers and Silole Derivatives

  , JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 113, Pages: 14533-14539, ISSN: 1932-7447
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  • Citations: 16
• Journal article
  Benson-Smith JJ, Wilson J, Dyer-Smith C, Mouri K, Yamaguchi S, Murata H, Nelson Jet al., 2009,

  Long-Lived Exciplex Formation and Delayed Exciton Emission in Bulk Heterojunction Blends of Silole Derivative and Polyfluorene Copolymer: The Role of Morphology on Exciplex Formation and Charge Separation

  , JOURNAL OF PHYSICAL CHEMISTRY B, Vol: 113, Pages: 7794-7799, ISSN: 1520-6106
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  • Citations: 37
• Journal article
  Kim Y, Ballantyne AM, Nelson J, Bradley DDCet al., 2009,

  Effects of thickness and thermal annealing of the PEDOT:PSS layer on the performance of polymer solar cells

  , ORGANIC ELECTRONICS, Vol: 10, Pages: 205-209, ISSN: 1566-1199
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  • Citations: 176
• Journal article
  Atienzar P, Ishwara T, Horie M, Durrant JR, Nelson Jet al., 2009,

  Hybrid polymer-metal oxide solar cells by <i>in situ</i> chemical polymerization

  , JOURNAL OF MATERIALS CHEMISTRY, Vol: 19, Pages: 5377-5380, ISSN: 0959-9428
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  • Citations: 36
• Journal article
  Nelson J, Kwiatkowski JJ, Kirkpatrick J, Frost JMet al., 2009,

  Modeling charge transport in organic photovoltaic materials

  , Accounts of chemical research, Vol: 42, Pages: 1768-1778
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• Journal article
  Tuladhar S, Sims M, Kirkpatrick J, Maher R, Chatten A, Bradley D, Nelson J, Etchegoin P, Nielsen C, Massiot P, George W, Steinke Jet al., 2009,

  Influence of alkyl chain length on charge transport in symmetrically substituted poly(2,5-dialkoxy-p-phenylenevinylene) polymers

  , Vol: 79, ISSN: 1098-0121
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• Journal article
  Benson-Smith JJ, Ohkita H, Cook S, Durrant JR, Bradley DDC, Nelson Jet al., 2009,

  Charge separation and fullerene triplet formation in blend films of polyfluorene polymers with [6,6]-phenyl C61 butyric acid methyl ester

  , DALTON TRANSACTIONS, Pages: 10000-10005, ISSN: 1477-9226
  • Author Web Link
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  • Citations: 36
• Journal article
  Kwiatkowski JJ, Frost JM, Nelson J, 2009,

  The Effect of Morphology on Electron Field-Effect Mobility in Disordered C60 Thin Films

  , Nano letters, Vol: 9, Pages: 1085-1090
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• Journal article
  Clarke T, Ballantyne A, Jamieson F, Brabec C, Nelson J, Durrant Jet al., 2009,

  Transient absorption spectroscopy of charge photogeneration yields and lifetimes in a low bandgap polymer/fullerene film

  , CHEMICAL COMMUNICATIONS, Pages: 89-91, ISSN: 1359-7345
  • Author Web Link
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  • Citations: 89
• Journal article
  Tuladhar SM, Sims M, Choulis SA, Nielsen CB, George WN, Steinke JHG, Bradley DDC, Nelson Jet al., 2009,

  Influence of side chain symmetry on the performance of poly(2,5-dialkoxy-p-phenylenevinylene): fullerene blend solar cells

  , Vol: 10, Pages: 562-567, ISSN: 1566-1199
  • Cite
• Journal article
  Clarke TM, Ballantyne AM, Nelson J, Bradley DDC, Durrant JRet al., 2008,

  Free Energy Control of Charge Photogeneration in Polythiophene/Fullerene Solar Cells: The Influence of Thermal Annealing on P3HT/PCBM Blends

  , ADVANCED FUNCTIONAL MATERIALS, Vol: 18, Pages: 4029-4035, ISSN: 1616-301X
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  • Citations: 237
• Conference paper
  Ferenczi TAM, Nelson J, Belton C, Ballantyne AM, Campoy-Quiles M, Braun FM, Bradley DDCet al., 2008,

  Planar heterojunction organic photovoltaic diodes via a novel stamp transfer process

  , 4th International Workshop on Nanoscience and Nanotechnologies, Publisher: IOP Publishing Ltd, ISSN: 0953-8984
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  • Citations: 43
• Journal article
  Agostinelli T, Campoy-Quiles M, Blakesley JC, Speller R, Bradley DDC, Nelson Jet al., 2008,

  A polymer/fullerene based photodetector with extremely low dark current for x-ray medical imaging applications

  , APPLIED PHYSICS LETTERS, Vol: 93, ISSN: 0003-6951
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  • Citations: 96
• Conference paper
  Shakya P, Desai P, Kreouzis T, Gillin WP, Tuladhar SM, Ballantyne AM, Nelson Jet al., 2008,

  The effect of applied magnetic field on photocurrent generation in poly-3-hexylthiophene:[6,6]-phenyl C61-butyric acid methyl ester photovoltaic devices

  , 15th International Winterschool on New Developments in Solid State Physics, Publisher: IOP PUBLISHING LTD, ISSN: 0953-8984
  • Author Web Link
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  • Citations: 36
• Journal article
  Kirkpatrick J, Marcon V, Kremer K, Nelson J, Andrienko Det al., 2008,

  Columnar mesophases of hexabenzocoronene derivatives. II. Charge carrier mobility

  , JOURNAL OF CHEMICAL PHYSICS, Vol: 129, ISSN: 0021-9606
  • Author Web Link
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  • Citations: 61

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