Imperial College London
Professor Martin Heeney

ProfessorMartinHeeney

Faculty of Natural Sciences, Department of Chemistry

Professor of Organic Materials
 
 
 
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Contact

 

+44 (0)20 7594 1248m.heeney Website

 
 
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Location

 

133ChemistrySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

280 results found

Charlton RJ, Fogarty RM, Bogatko S, Zuehlsdorff TJ, Hine NDM, Heeney M, Horsfield AP, Haynes PDet al., 2018, Implicit and explicit host effects on excitons in pentacene derivatives, JOURNAL OF CHEMICAL PHYSICS, Vol: 148, ISSN: 0021-9606

JOURNAL ARTICLE

Creamer A, Wood CS, Howes PD, Casey A, Cong S, Marsh AV, Godin R, Panidi J, Anthopoulos TD, Burgess CH, Wu T, Fei Z, Hamilton I, McLachlan MA, Stevens MM, Heeney Met al., 2018, Post-polymerisation functionalisation of conjugated polymer backbones and its application in multifunctional emissive nanoparticles, NATURE COMMUNICATIONS, Vol: 9, ISSN: 2041-1723

JOURNAL ARTICLE

Datko B, Fei Z, Heeney M, Grey Jet al., 2018, Effect of conformational changes on triplet formation in a heavy heteroatom conjugated polymer: Single polymer molecules and molecular aggregates, 255th National Meeting and Exposition of the American-Chemical-Society (ACS) - Nexus of Food, Energy, and Water, Publisher: AMER CHEMICAL SOC, ISSN: 0065-7727

CONFERENCE PAPER

Datko BD, Walwark DJ, Fei Z, Heeney MJ, Grey JKet al., 2018, Resolving Anomalous Heavy Atom Effects from Discrete Triplet Mediated Photochemistry Events on Single Conjugated Polymer Chains, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 122, Pages: 9718-9725, ISSN: 1932-7447

JOURNAL ARTICLE

Eisner F, Seitkhan A, Han Y, Khim D, Yengel E, Kirmani AR, Xu J, de Arquer FPG, Sargent EH, Amassian A, Fei Z, Heeney M, Anthopoulos TDet al., 2018, Solution-Processed In2O3/ZnO Heterojunction Electron Transport Layers for Efficient Organic Bulk Heterojunction and Inorganic Colloidal Quantum-Dot Solar Cells, SOLAR RRL, Vol: 2, ISSN: 2367-198X

JOURNAL ARTICLE

Fei Z, Eisner FD, Jiao X, Azzouzi M, Rohr JA, Han Y, Shahid M, Chesman ASR, Easton CD, McNeill CR, Anthopoulos TD, Nelson J, Heeney Met al., 2018, An Alkylated Indacenodithieno[3,2-b]thiophene-Based Nonfullerene Acceptor with High Crystallinity Exhibiting Single Junction Solar Cell Efficiencies Greater than 13% with Low Voltage Losses, ADVANCED MATERIALS, Vol: 30, ISSN: 0935-9648

JOURNAL ARTICLE

Fei Z, Eisner FD, Jiao X, Azzouzi M, Rohr JA, Han Y, Shahid M, Chesman ASR, Easton CD, McNeill CR, Anthopoulos TD, Nelson J, Heeney Met al., 2018, An Alkylated Indacenodithieno[3,2-b] thiophene-Based Nonfullerene Acceptor with High Crystallinity Exhibiting Single Junction Solar Cell Efficiencies Greater than 13% with Low Voltage Losses (vol 30, 2018), ADVANCED MATERIALS, Vol: 30, ISSN: 0935-9648

JOURNAL ARTICLE

Lu R, Han Y, Zhang W, Zhu X, Fei Z, Hodsden T, Anthopoulos TD, Heeney Met al., 2018, Alkylated indacenodithieno[3,2-b] thiophene-based all donor ladder-type conjugated polymers for organic thin film transistors, Journal of Materials Chemistry C, Vol: 6, Pages: 2004-2009, ISSN: 2050-7534

We report the synthesis of a series of indacenodithieno[3,2-b]thiophene (IDTT) based conjugated polymers by copolymerization with three different electron rich co-monomers [thiophene (T), thieno[3,2-b] thiophene (TT) and dithieno[3,2-b:2′,3′-d]thiophene (DTT)] under Stille coupling conditions. The resulting all-donor polymers show very good solubility in common solvents and exhibit similar optical, thermal and electronic properties. However, the performance of these semiconductors in thin film transistor devices varied and was highly dependent on the nature of the co-monomer. All polymers exhibited unipolar p-type charge transport behaviour, with the mobility values following the trend of IDTT-TT > IDTT-DTT > IDTT-T. The peak saturation mobility value of IDTT-TT was extracted to be 1.1 cm 2 V -1 s -1 , amongst the highest mobility for all-donor conjugated polymers reported to date.

JOURNAL ARTICLE

Marsh AV, Cheetham NJ, Little M, Dyson M, White AJP, Beavis P, Warriner CN, Swain AC, Stavrinou PN, Heeney Met al., 2018, Carborane-Induced Excimer Emission of Severely Twisted Bis-o-Carboranyl Chrysene, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol: 57, Pages: 10640-10645, ISSN: 1433-7851

JOURNAL ARTICLE

Nieuwendaal RC, DeLongchamp DM, Richter LJ, Snyder CR, Jones RL, Engmann S, Herzing A, Heeney M, Fei Z, Sieval AB, Hummelen JCet al., 2018, Characterization of Interfacial Structure in Polymer-Fullerene Bulk Heterojunctions via C-13 {H-2} Rotational Echo Double Resonance NMR, PHYSICAL REVIEW LETTERS, Vol: 121, ISSN: 0031-9007

JOURNAL ARTICLE

Panidi J, Paterson AF, Khim D, Fei Z, Han Y, Tsetseris L, Vourlias G, Patsalas PA, Heeney M, Anthopoulos TDet al., 2018, Remarkable Enhancement of the Hole Mobility in Several Organic Small-Molecules, Polymers, and Small-Molecule:Polymer Blend Transistors by Simple Admixing of the Lewis Acid p-Dopant B(C6F5)(3), ADVANCED SCIENCE, Vol: 5, ISSN: 2198-3844

JOURNAL ARTICLE

Paterson AF, Singh S, Fallon KJ, Hodsden T, Han Y, Schroeder BC, Bronstein H, Heeney M, McCulloch I, Anthopoulos TDet al., 2018, Recent Progress in High-Mobility Organic Transistors: A Reality Check, ADVANCED MATERIALS, Vol: 30, ISSN: 0935-9648

JOURNAL ARTICLE

Patra D, Lee J, Dey S, Lee J, Kalin AJ, Putta A, Fei Z, McCarthy-Ward T, Bazzi HS, Fang L, Heeney M, Yoon M-H, Al-Hashimi Met al., 2018, Chalcogen Bridged Thieno- and Selenopheno[2,3-d:5,4-d ']bisthiazole and Their Diketopyrrolopyrrole Based Low-Bandgap Copolymers, MACROMOLECULES, Vol: 51, Pages: 6076-6084, ISSN: 0024-9297

JOURNAL ARTICLE

Rodriquez D, Kohl JG, More P, Burrows K, Favaro G, Root SE, Ramirez J, Alkhadra MA, Carpenter CW, Fei Z, Boufflet P, Heeney M, Lipomi DJet al., 2018, Measurement of Cohesion and Adhesion of Semiconducting Polymers by Scratch Testing: Effect of Side-Chain Length and Degree of Polymerization, ACS MACRO LETTERS, Vol: 7, Pages: 1003-1009, ISSN: 2161-1653

JOURNAL ARTICLE

Squeo BM, Gregoriou VG, Han Y, Palma-Cando A, Allard S, Serpetzoglou E, Konidakis I, Stratakis E, Avgeropoulos A, Anthopoulos TD, Heeney M, Scherf U, Chochos CLet al., 2018, alpha,beta-Unsubstituted meso-positioning thienyl BODIPY: a promising electron deficient building block for the development of near infrared (NIR) p-type donor-acceptor (D-A) conjugated polymers, JOURNAL OF MATERIALS CHEMISTRY C, Vol: 6, Pages: 4030-4040, ISSN: 2050-7526

JOURNAL ARTICLE

Taroni PJ, Santagiuliana G, Wan K, Calado P, Qiu M, Zhang H, Pugno NM, Palma M, Stingelin-Stutzman N, Heeney M, Fenwick O, Baxendale M, Bilotti Eet al., 2018, Toward Stretchable Self-Powered Sensors Based on the Thermoelectric Response of PEDOT:PSS/Polyurethane Blends, ADVANCED FUNCTIONAL MATERIALS, Vol: 28, ISSN: 1616-301X

JOURNAL ARTICLE

Wijeyasinghe N, Tsetseris L, Regoutz A, Sit W-Y, Fei Z, Du T, Wang X, McLachlan MA, Vourlias G, Patsalas PA, Payne DJ, Heeney M, Anthopoulos TDet al., 2018, Copper (I) Selenocyanate (CuSeCN) as a Novel Hole-Transport Layer for Transistors, Organic Solar Cells, and Light-Emitting Diodes, ADVANCED FUNCTIONAL MATERIALS, Vol: 28, ISSN: 1616-301X

JOURNAL ARTICLE

Boufflet P, Bovo G, Occhi L, Yuan HK, Fei Z, Han Y, Anthopoulos TD, Stavrinou PN, Heeney Met al., 2017, The Influence of Backbone Fluorination on the Dielectric Constant of Conjugated Polythiophenes, Advanced Electronic Materials

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. The ability to modify or enhance the dielectric constant of semiconducting polymers can prove valuable for a range of optoelectronic and microelectronic applications. In the case of organic photovoltaics, increasing the dielectric constant of the active layer has often been suggested as a method to control charge generation, recombination dynamics, and ultimately, the power conversion efficiencies. In this contribution, the impact that the degree and pattern of fluorination has on the dielectric constant of poly(3-octylthiophene) (P3OT), a more soluble analogue of the widely studied conjugated material poly(3-hexylthiophene), is explored. P3OT and its backbone-fluorinated analogue, F-P3OT, are compared along with a block and alternating copolymer version of these materials. It is found that the dielectric constant of the polymer thin films increases as the degree of backbone fluorination increases, in a trend consistent with density functional theory calculations of the dipole moment.

JOURNAL ARTICLE

Boufflet P, Casey A, Xia Y, Stavrinou PN, Heeney Met al., 2017, Pentafluorobenzene end-group as a versatile handle for para fluoro "click" functionalization of polythiophenes, CHEMICAL SCIENCE, Vol: 8, Pages: 2215-2225, ISSN: 2041-6520

JOURNAL ARTICLE

Casey A, Green JP, Tuladhar PS, Kirkus M, Han Y, Anthopoulos TD, Heeney Met al., 2017, Cyano substituted benzotriazole based polymers for use in organic solar cells, JOURNAL OF MATERIALS CHEMISTRY A, Vol: 5, Pages: 6465-6470, ISSN: 2050-7488

JOURNAL ARTICLE

Costa L, Al-Hashimi M, Heeney M, Terekhov A, Rajput D, Hofmeister W, Verma Aet al., 2017, Template-Synthesis of Conjugated Poly(3-Hexylselenophene) (P3HS) Nanofibers Using Femtosecond Laser Machined Fused Silica Templates, MRS ADVANCES, Vol: 2, Pages: 2957-2960, ISSN: 2059-8521

JOURNAL ARTICLE

Creamer A, Casey A, Marsh AV, Shahid M, Gao M, Heeney Met al., 2017, Systematic Tuning of 2,1,3-Benzothiadiazole Acceptor Strength by Monofunctionalization with Alkylamine, Thioalkyl, or Alkoxy Groups in Carbazole Donor-Acceptor Polymers, MACROMOLECULES, Vol: 50, Pages: 2736-2746, ISSN: 0024-9297

JOURNAL ARTICLE

Datko BD, Thomas AK, Fei Z, Heeney M, Grey JKet al., 2017, Effect of a heavy heteroatom on triplet formation and interactions in single conjugated polymer molecules and aggregates, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Vol: 19, Pages: 28239-28248, ISSN: 1463-9076

JOURNAL ARTICLE

Fei Z, Chen L, Han Y, Gann E, Chesman ASR, McNeill CR, Anthopoulos TD, Heeney M, Pietrangelo Aet al., 2017, Alternating 5,5-Dimethylcyclopentadiene and Diketopyrrolopyrrole Copolymer Prepared at Room Temperature for High Performance Organic Thin-Film Transistors, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 139, Pages: 8094-8097, ISSN: 0002-7863

JOURNAL ARTICLE

Fei Z, Han Y, Gann E, Hodsden T, Chesman ASR, McNeill CR, Anthopoulos TD, Heeney Met al., 2017, Alkylated Selenophene-Based Ladder-Type Monomers via a Facile Route for High-Performance Thin-Film Transistor Applications, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 139, Pages: 8552-8561, ISSN: 0002-7863

JOURNAL ARTICLE

Green JP, Cryer SJ, Marafie J, White AJP, Heeney Met al., 2017, Synthesis of a Luminescent Arsolo[2,3-d:5,4-d']bis(thiazole) Building Block and Comparison to Its Phosphole Analogue, ORGANOMETALLICS, Vol: 36, Pages: 2632-2636, ISSN: 0276-7333

JOURNAL ARTICLE

Hu Z, Haws RT, Fei Z, Boufflet P, Heeney M, Rossky PJ, Vanden Bout DAet al., 2017, Impact of backbone fluorination on nanoscale morphology and excitonic coupling in polythiophenes, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol: 114, Pages: 5113-5118, ISSN: 0027-8424

JOURNAL ARTICLE

Patra D, Lee J, Lee J, Sredojevic DN, White AJP, Bazzi HS, Brothers EN, Heeney M, Fang L, Yoon M-H, Al-Hashimi Met al., 2017, Synthesis of low band gap polymers based on pyrrolo[3,2-d:4,5-d ']bisthiazole (PBTz) and thienylenevinylene (TV) for organic thin-film transistors (OTFTs), JOURNAL OF MATERIALS CHEMISTRY C, Vol: 5, Pages: 2247-2258, ISSN: 2050-7526

JOURNAL ARTICLE

Rodriquez D, Kim J-H, Root SE, Fe Z, Boufflet P, Heeney M, Kim T-S, Lipomi DJet al., 2017, Comparison of Methods for Determining the Mechanical Properties of Semiconducting Polymer Films for Stretchable Electronics, ACS APPLIED MATERIALS & INTERFACES, Vol: 9, Pages: 8855-8862, ISSN: 1944-8244

JOURNAL ARTICLE

Wade J, Wood S, Collado-Fregoso E, Heeney M, Durrant J, Kim J-Set al., 2017, Impact of Fullerene Intercalation on Structural and Thermal Properties of Organic Photovoltaic Blends, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 121, Pages: 20976-20985, ISSN: 1932-7447

JOURNAL ARTICLE

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