Publications
419 results found
Frost JM, Kirkpatrick J, Kirchartz T, et al., 2014, Parameter free calculation of the subgap density of states in poly(3-hexylthiophene), FARADAY DISCUSSIONS, Vol: 174, Pages: 255-266, ISSN: 1359-6640
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- Citations: 28
Koch FPV, Rivnay J, Foster S, et al., 2013, The impact of molecular weight on microstructure and charge transport in semicrystalline polymer Semiconductors poly(3-hexylthiophene), a model study, PROGRESS IN POLYMER SCIENCE, Vol: 38, Pages: 1978-1989, ISSN: 0079-6700
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- Citations: 238
Dibb GFA, Muth M-A, Kirchartz T, et al., 2013, Influence of doping on charge carrier collection in normal and inverted geometry polymer: fullerene solar cells, SCIENTIFIC REPORTS, Vol: 3, ISSN: 2045-2322
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- Citations: 64
Bronstein H, Hurhangee M, Fregoso EC, et al., 2013, Isostructural, Deeper Highest Occupied Molecular Orbital Analogues of Poly(3-hexylthiophene) for High-Open Circuit Voltage Organic Solar Cells, CHEMISTRY OF MATERIALS, Vol: 25, Pages: 4239-4249, ISSN: 0897-4756
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- Citations: 53
Ryan JW, Kirchartz T, Viterisi A, et al., 2013, Understanding the Effect of Donor Layer Thickness and a MoO<sub>3</sub> Hole Transport Layer on the Open-Circuit Voltage in Squaraine/C<sub>60</sub> Bilayer Solar Cells, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 117, Pages: 19866-19874, ISSN: 1932-7447
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- Citations: 24
Bruno A, Reynolds LX, Dyer-Snaith C, et al., 2013, Determining the Exciton Diffusion Length in a Polyfluorene from Ultrafast Fluorescence Measurements of Polymer/Fullerene Blend Films, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 117, Pages: 19832-19838, ISSN: 1932-7447
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- Citations: 45
Hawks SA, Deledalle F, Yao J, et al., 2013, Relating Recombination, Density of States, and Device Performance in an Efficient Polymer: Fullerene Organic Solar Cell Blend, ADVANCED ENERGY MATERIALS, Vol: 3, Pages: 1201-1209, ISSN: 1614-6832
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- Citations: 93
James DT, Frost JM, Wade J, et al., 2013, Controlling Microstructure of Pentacene Derivatives by Solution Processing: Impact of Structural Anisotropy on Optoelectronic Properties, ACS NANO, Vol: 7, Pages: 7983-7991, ISSN: 1936-0851
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- Citations: 84
Nelson J, Emmott CJM, 2013, Can solar power deliver?, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 371, ISSN: 1364-503X
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- Citations: 7
Meager I, Ashraf RS, Mollinger S, et al., 2013, Photocurrent Enhancement from Diketopyrrolopyrrole Polymer Solar Cells through Alkyl-Chain Branching Point Manipulation, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 135, Pages: 11537-11540, ISSN: 0002-7863
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- Citations: 254
Meager I, Ashraf RS, Mollinger S, et al., 2013, Photocurrent enhancement from diketopyrrolopyrrole polymer solar cells through alkyl-chain branching point manipulation., J Am Chem Soc, Vol: 135, Pages: 11537-11540
Systematically moving the alkyl-chain branching position away from the polymer backbone afforded two new thieno[3,2-b]thiophene-diketopyrrolopyrrole (DPPTT-T) polymers. When used as donor materials in polymer:fullerene solar cells, efficiencies exceeding 7% were achieved without the use of processing additives. The effect of the position of the alkyl-chain branching point on the thin-film morphology was investigated using X-ray scattering techniques and the effects on the photovoltaic and charge-transport properties were also studied. For both solar cell and transistor devices, moving the branching point further from the backbone was beneficial. This is the first time that this effect has been shown to improve solar cell performance. Strong evidence is presented for changes in microstructure across the series, which is most likely the cause for the photocurrent enhancement.
Vithanage DA, Devizis A, Abramavicius V, et al., 2013, Visualizing charge separation in bulk heterojunction organic solar cells, NATURE COMMUNICATIONS, Vol: 4, ISSN: 2041-1723
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- Citations: 150
Durrant JR, Nelson J, Klug DR, 2013, Functionalising nanocrystalline TiO<sub>2</sub> films:: dye sensitised solar cells and optical biosensors, Materials Congress 2000, Publisher: TAYLOR & FRANCIS LTD, Pages: 1345-1348, ISSN: 0267-0836
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- Citations: 16
Kirchartz T, Deledalle F, Tuladhar PS, et al., 2013, On the Differences between Dark and Light Ideality Factor in Polymer:Fullerene Solar Cells, JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 4, Pages: 2371-2376, ISSN: 1948-7185
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- Citations: 213
MacKenzie RCI, Shuttle CG, Dibb GF, et al., 2013, Interpreting the Density of States Extracted from Organic Solar Cells Using Transient Photocurrent Measurements, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 117, Pages: 12407-12414, ISSN: 1932-7447
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- Citations: 55
Faist MA, Shoaee S, Tuladhar S, et al., 2013, Understanding the Reduced Efficiencies of Organic Solar Cells Employing Fullerene Multiadducts as Acceptors, ADVANCED ENERGY MATERIALS, Vol: 3, Pages: 744-752, ISSN: 1614-6832
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- Citations: 121
Xia R, Leem D-S, Kirchartz T, et al., 2013, Investigation of a Conjugated Polyelectrolyte Interlayer for Inverted Polymer:Fullerene Solar Cells, ADVANCED ENERGY MATERIALS, Vol: 3, Pages: 718-723, ISSN: 1614-6832
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- Citations: 89
Janssen RAJ, Nelson J, 2013, Factors Limiting Device Efficiency in Organic Photovoltaics, ADVANCED MATERIALS, Vol: 25, Pages: 1847-1858, ISSN: 0935-9648
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- Citations: 520
Bansal N, Reynolds LX, MacLachlan A, et al., 2013, Influence of Crystallinity and Energetics on Charge Separation in Polymer-Inorganic Nanocomposite Films for Solar Cells, SCIENTIFIC REPORTS, Vol: 3, ISSN: 2045-2322
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- Citations: 80
Dibb GFA, Jamieson FC, Maurano A, et al., 2013, Limits on the Fill Factor in Organic Photovoltaics: Distinguishing Nongeminate and Geminate Recombination Mechanisms, JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 4, Pages: 803-808, ISSN: 1948-7185
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- Citations: 100
Savva A, Petraki F, Elefteriou P, et al., 2013, The Effect of Organic and Metal Oxide Interfacial layers on the Performance of Inverted Organic Photovoltaics, ADVANCED ENERGY MATERIALS, Vol: 3, Pages: 391-398, ISSN: 1614-6832
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- Citations: 40
Wang X, Levermore PA, Ramon MC, et al., 2013, Paper no P33: Large-area printed transparent electrodes for flexible organic light-emitting diodes, Pages: 112-114, ISSN: 0097-966X
We report large area gravure-printed flexible and transparent polymer electrodes for plastic electronics and in particular their application in organic light emitting diodes (OLEDs) for displays and lighting applications. The polymer electrodes are prepared from vapour-phase polymerised poly(3,4-ethylene-dioxythio- phene) (VPP-PEDOT). Gravure printing has been selected for this work owing to its proven compatibility with low-cost and high volume roll-to-roll manufacturing. The printed VPP- PEDOT thin films were characterised for their conductivity, transparency, work function and surface roughness. After optimisation of printed VPP-PEDOT thin film transparent electrodes, large-area-ITO free OLEDs were demonstrated.
Wang X, Levermore PA, Ramon MC, et al., 2013, Paper no 19.2: Large-area printed transparent electrodes for flexible organic light-emitting diodes, Pages: 282-284, ISSN: 0097-966X
We report large area gravure-printed flexible and transparent polymer electrodes for plastic electronics and in particular their application in organic light-emitting diodes (OLEDs) for displays and lighting applications. The polymer electrodes are prepared from vapour-phase polymerised p o ly (3,4-ethylene-dioxythio - phene) (VPP-PEDOT). Gravure printing has been selected for this work owing to its proven compatibility' with low-cost and high volume roll-to-roll manufacturing. The printed VPP- PEDOT thin films were characterised for their conductivity, transparency, work function and surface roughness. After optimisation of printed VPP-PEDOT thin film transparent electrodes, large area ITO free OLEDs were demonstrated.
Vaissier V, Barnes P, Kirkpatrick J, et al., 2013, Influence of polar medium on the reorganization energy of charge transfer between dyes in a dye sensitized film, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Vol: 15, Pages: 4804-4814, ISSN: 1463-9076
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- Citations: 75
Economopoulos SP, Chochos CL, Ioannidou HA, et al., 2013, Novel BODIPY-based conjugated polymers donors for organic photovoltaic applications, RSC ADVANCES, Vol: 3, Pages: 10221-10229, ISSN: 2046-2069
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- Citations: 29
Kirchartz T, Agostinelli T, Campoy-Quiles M, et al., 2012, Understanding the Thickness-Dependent Performance of Organic Bulk Heterojunction Solar Cells: The Influence of Mobility, Lifetime, and Space Charge, JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol: 3, Pages: 3470-3475, ISSN: 1948-7185
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- Citations: 216
Kirchartz T, Nelson J, 2012, Meaning of reaction orders in polymer: fullerene solar cells, PHYSICAL REVIEW B, Vol: 86, ISSN: 2469-9950
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- Citations: 188
Ravirajan P, Atienzar P, Nelson J, 2012, Post-Processing Treatments in Hybrid Polymer/Titanium Dioxide Multilayer Solar Cells, JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS, Vol: 7, Pages: 498-502, ISSN: 1555-130X
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- Citations: 8
Voigt MM, Mackenzie RCI, King SP, et al., 2012, Gravure printing inverted organic solar cells: The influence of ink properties on film quality and device performance, SOLAR ENERGY MATERIALS AND SOLAR CELLS, Vol: 105, Pages: 77-85, ISSN: 0927-0248
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- Citations: 89
Gong W, Faist MA, Ekins-Daukes NJ, et al., 2012, Influence of energetic disorder on electroluminescence emission in polymer:fullerene solar cells, PHYSICAL REVIEW B, Vol: 86, ISSN: 1098-0121
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- Citations: 71
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