Imperial College London

ProfessorMartinHeeney

Faculty of Natural SciencesDepartment of Chemistry

Professor of Organic Materials
 
 
 
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Contact

 

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

 
 
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Location

 

401GMolecular Sciences Research HubWhite City Campus

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Summary

 

Publications

Publication Type
Year
to

300 results found

Brondijk JJ, Maddalena F, Asadi K, van Leijen HJ, Heeney M, Blom PWM, de Leeuw DMet al., 2012, Carrier-density dependence of the hole mobility in doped and undoped regioregular poly(3-hexylthiophene), PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, Vol: 249, Pages: 138-141, ISSN: 0370-1972

Journal article

Koch FPV, Heeney M, 2012, The synthesis of conjugated polythiophenes by Kumada cross-coupling, Weinheim, Germany, Publisher: Wiley-VCH Verlag GmbH & Co

Book

McCulloch I, Heeney M, Nielsen C, Zhang W, Fraser J, Schroeder Bet al., 2012, WO2012131084. Triaryl- and triheteroaryl- benzene monomers and polymers for electrooptical applications.

The invention relates to mono-, oligo- and polymeric compds. comprising substituted triaryl- and triheteroaryl benzene groups and their copolymers. The invention further relates to the methods of their synthesis, to org. semiconducting materials and blends, formulations and layers comprising them, and to electronic devices, like org. field effect transistors (OFETs) and org. photovoltaics (OPVs), comprising them. [on SciFinder(R)]

Patent

Fei Z, Kim Y, Smith J, Buchaca Domingo E, Stingelin N, McLachlan MA, Song K, Anthopolous TD, Heeney Met al., 2012, Comparative Optoelectronic Study between Copolymers of Peripherally Alkylated Dithienosilole and Dithienogermole, Macromolecules

Here we report a simple methodology for the synthesis of dithienosilole and dithienogermole monomers in which the necessary solubilizing long chain alkyl groups are incorporated into the peripheral 3,5-positions of the fused ring. We report four novel monomers in which methyl or butyl groups are attached to the bridging Si and Ge atom. Copolymers with bithiophene were synthesized by a Stille polymerization in high molecular weight. We report the optical, electrical, electrochemical and morphological properties of the resulting polymers. We find that the nature of the bridging heteroatom (Si or Ge) has only a minor influence on these properties, whereas the nature of the alkyl chain attached to the bridging atom is found to have a much larger effect.

Journal article

Shahid M, McCarthy-Ward T, Labram J, Rossbauer S, Domingo EB, Watkins SE, Stingelin N, Anthopoulos TD, Heeney Met al., 2012, Low band gap selenophene-diketopyrrolopyrrole polymers exhibiting high and balanced ambipolar performance in bottom-gate transistors, Chemical Science, Vol: 3, Pages: 181-185, ISSN: 2041-6520

We report the synthesis of a selenophene-diketopyrrolopyrrole monomer and its co-polymerisation with selenophene and thieno[3,2-b]thiophene monomers by Stille coupling. The resulting low band gap polymers exhibit ambipolar charge transport in organic field effect transistors. High and balanced electron and hole mobilities in excess of 0.1 cm2 V-1 s-1 were observed in bottom-gate, bottom-contact devices, suggesting that selenophene inclusion is a promising strategy for the development of ambipolar organic semiconductors.

Journal article

Jamieson FC, Domingo EB, McCarthy-Ward T, Heeney M, Stingelin N, Durrant JRet al., 2012, Fullerene crystallisation as a key driver of charge separation in polymer/fullerene bulk heterojunction solar cells, Chemical Science, Vol: 3, Pages: 485-492, ISSN: 2041-6520

Solution processed polymer/fullerene blend films are receiving extensive attention as the photoactive layer of organic solar cells. In this paper we report a range of photophysical, electrochemical, physicochemical and structural data which provide evidence that formation of a relatively pure, molecularly ordered phase of the fullerene component, phenyl-C61-butyric acid methyl ester (PCBM), may be the key factor driving the spatial separation of photogenerated electrons and holes in many of these devices. PCBM crystallisation is shown to result in an increase in its electron affinity, providing an energetic driving force for spatial separation of electrons and holes. Based upon our observations, we propose a functional model applicable to many organic bulk heterojunction devices based upon charge generation in a finely intermixed polymer/fullerene phase followed by spatial separation of electrons and holes at the interface of this mixed phase with crystalline PCBM domains. This model has significant implications for the design of alternative acceptor materials to PCBM for organic solar cells.

Journal article

Oosterhout SD, Wienk MM, Al-Hashimi M, Heeney M, Janssen RAJet al., 2011, Hybrid Polymer Solar Cells from Zinc Oxide and Poly(3-hexylselenophene), JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 115, Pages: 18901-18908, ISSN: 1932-7447

Journal article

Zhang XR, Richter LJ, DeLongchamp DM, Kline RJ, Hammond MR, McCulloch I, Heeney M, Ashraf RS, Smith JN, Anthopoulos TD, Schroeder B, Geerts YH, Fischer DA, Toney MFet al., 2011, Molecular Packing of High-Mobility Diketo Pyrrolo-Pyrrole Polymer Semiconductors with Branched Alkyl Side Chains, J AM CHEM SOC, Vol: 133, Pages: 15073-15084, ISSN: 0002-7863

Journal article

Chen Z, Bird M, Lemaur V, Radtke G, Cornil J, Heeney M, McCulloch I, Sirringhaus Het al., 2011, Origin of the different transport properties of electron and hole polarons in an ambipolar polyselenophene-based conjugated polymer, PHYSICAL REVIEW B, Vol: 84, ISSN: 2469-9950

Journal article

Lilliu S, Agostinelli T, Verploegen E, Pires E, Hampton M, Al-Hashimi M, Heeney MJ, Toney MF, Nelson J, Macdonald JEet al., 2011, Effects of Thermal Annealing Upon the Nanomorphology of Poly(3-hexylselenophene)-PCBM Blends, MACROMOLECULAR RAPID COMMUNICATIONS, Vol: 32, Pages: 1454-1460, ISSN: 1022-1336

Journal article

Bronstein H, Leem DS, Hamilton R, Woebkenberg P, King S, Zhang W, Ashraf RS, Heeney M, Anthopoulos TD, de Mello J, McCulloch Iet al., 2011, Indacenodithiophene-co-benzothiadiazole Copolymers for High Performance Solar Cells or Transistors via Alkyl Chain Optimization, MACROMOLECULES, Vol: 44, Pages: 6649-6652, ISSN: 0024-9297

Journal article

Schulz L, Willis M, Nuccio L, Shusharov P, Fratini S, Pratt FL, Gillin WP, Kreouzis T, Heeney M, Stingelin N, Stafford CA, Beesley DJ, Bernhard C, Anthony JE, McKenzie I, Lord JS, Drew AJet al., 2011, Importance of intramolecular electron spin relaxation in small molecule semiconductors, PRB, Vol: 84

Journal article

Abrusci A, Ding I-K, Al-Hashimi M, Segal-Peretz T, McGehee MD, Heeney M, Frey GL, Snaith HJet al., 2011, Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells, ENERGY & ENVIRONMENTAL SCIENCE, Vol: 4, Pages: 3051-3058, ISSN: 1754-5692

Journal article

Al-Hashimi M, Baklar MA, Colleaux F, Watkins SE, Anthopoulos TD, Stingelin N, Heeney Met al., 2011, Synthesis, Characterization, and Field Effect Transistor Properties of Regioregular Poly(3-alkyl-2,5-selenylenevinylene), MACROMOLECULES, Vol: 44, Pages: 5194-5199, ISSN: 0024-9297

Journal article

Rance WL, Ferguson AJ, McCarthy-Ward T, Heeney M, Ginley DS, Olson DC, Rumbles G, Kopidakis Net al., 2011, Photainduced Carrier Generation and Decay Dynamics in Intercalated and Non-intercalated Polymer: Fullerene Bulk Heterojunctions, ACS NANO, Vol: 5, Pages: 5635-5646, ISSN: 1936-0851

Journal article

Abrusci A, Sai R, Kumar S, Al-Hashimi M, Heeney M, Petrozza A, Snaith HJet al., 2011, Infl ence of Ion Ind ced Local Co lo b Field and Pola ity on Cha ge Gene ation and Effi ciency in Poly (3-Hexylthiophene) Based Solid-State Dye-Sensitized Solar Cells, Adv. Funct. Mater, 2011, Pages: 1-9

Journal article

Baumann A, Savenije TJ, Murthy DHK, Heeney M, Dyakonov V, Deibel Cet al., 2011, Influence of Phase Segregation on Recombination Dynamics in Organic Bulk-Heterojunction Solar Cells, ADVANCED FUNCTIONAL MATERIALS, Vol: 21, Pages: 1687-1692, ISSN: 1616-301X

Journal article

Maurano A, Shuttle CC, Hamilton R, Ballantyne AM, Nelson J, Zhang W, Heeney M, Durrant JRet al., 2011, Transient Optoelectronic Analysis of Charge Carrier Losses in a Selenophene/Fullerene Blend Solar Cell, JOURNAL OF PHYSICAL CHEMISTRY C, Vol: 115, Pages: 5947-5957, ISSN: 1932-7447

Journal article

Miller NC, Gysel R, Miller CE, Verploegen E, Beiley Z, Heeney M, McCulloch I, Bao Z, Toney MF, McGehee MDet al., 2011, The Phase Behavior of a Polymer-Fullerene Bulk Heterojunction System that Contains Bimolecular Crystals, JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, Vol: 49, Pages: 499-503, ISSN: 0887-6266

Journal article

Rolfe NJ, Heeney M, Wyatt PB, Drew AJ, Kreouzis T, Gillin WPet al., 2011, The effect of deuteration on organic magnetoresistance, 3rd International Meeting on Spins in Organic Semiconductors (SPINOS III), Publisher: ELSEVIER SCIENCE SA, Pages: 608-612, ISSN: 0379-6779

Conference paper

Bronstein H, Chen Z, Ashraf RS, Zhang W, Du J, Durrant JR, Tuladhar PS, Song K, Watkins SE, Geerts Y, Wienk MM, Janssen RAJ, Anthopoulos T, Sirringhaus H, Heeney M, McCulloch Iet al., 2011, Thieno[3,2-b]thiophene-Diketopyrrolopyrrole-Containing Polymers for High-Performance Organic Field-Effect Transistors and Organic Photovoltaic Devices, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 133, Pages: 3272-3275, ISSN: 0002-7863

Journal article

Lee MJ, Gupta D, Zhao N, Heeney M, McCulloch I, Sirringhaus Het al., 2011, Anisotropy of Charge Transport in a Uniaxially Aligned and Chain-Extended, High-Mobility, Conjugated Polymer Semiconductor, ADVANCED FUNCTIONAL MATERIALS, Vol: 21, Pages: 932-940, ISSN: 1616-301X

Journal article

Park YM, Daniel J, Heeney M, Salleo Aet al., 2011, Room-Temperature Fabrication of Ultrathin Oxide Gate Dielectrics for Low-Voltage Operation of Organic Field-Effect Transistors, ADVANCED MATERIALS, Vol: 23, Pages: 971-974, ISSN: 0935-9648

Journal article

Ashraf RS, Chen ZY, Leem DS, Bronstein H, Zhang WM, Schroeder B, Geerts Y, Smith J, Watkins S, Anthopoulos TD, Sirringhaus H, de Mello JC, Heeney M, McCulloch Iet al., 2011, Silaindacenodithiophene Semiconducting Polymers for Efficient Solar Cells and High-Mobility Ambipolar Transistors, CHEM MATER, Vol: 23, Pages: 768-770, ISSN: 0897-4756

Journal article

Savenije TJ, Sperlich A, Kraus H, Poluektov O, Heeney M, Dyakonov Vet al., 2011, Observation of bi-polarons in blends of conjugated copolymers and fullerene derivatives, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Vol: 13, Pages: 16579-16584, ISSN: 1463-9076

Journal article

Smith J, Heeney M, McCulloch I, Malik JN, Stingelin N, Bradley DDC, Anthopoulos TDet al., 2011, Percolation behaviour in high mobility p-channel polymer/small-molecule blend organic field-effect transistors, ORGANIC ELECTRONICS, Vol: 12, Pages: 143-147, ISSN: 1566-1199

Journal article

Fei Z, Kim JS, Smith J, Domingo EB, Anthopoulos TD, Stingelin N, Watkins SE, Kim J-S, Heeney Met al., 2011, A low band gap co-polymer of dithienogermole and 2,1,3-benzothiadiazole by Suzuki polycondensation and its application in transistor and photovoltaic cells, JOURNAL OF MATERIALS CHEMISTRY, Vol: 21, Pages: 16257-16263, ISSN: 0959-9428

Journal article

Brabec CJ, Heeney M, McCulloch I, Nelson Jet al., 2011, Influence of blend microstructure on bulk heterojunction organic photovoltaic performance, CHEMICAL SOCIETY REVIEWS, Vol: 40, Pages: 1185-1199, ISSN: 0306-0012

Journal article

Crouch DJ, Sparrowe D, Heeney M, McCulloch I, Skabara PJet al., 2010, Polyterthiophenes Incorporating 3,4-Difluorothiophene Units: Application in Organic Field-Effect Transistors, MACROMOLECULAR CHEMISTRY AND PHYSICS, Vol: 211, Pages: 2642-2648, ISSN: 1022-1352

Journal article

Zhang X, Hudson SD, DeLongchamp DM, Gundlach DJ, Heeney M, McCulloch Iet al., 2010, In-Plane Liquid Crystalline Texture of High-Performance Thienothiophene Copolymer Thin Films, ADVANCED FUNCTIONAL MATERIALS, Vol: 20, Pages: 4098-4106, ISSN: 1616-301X

Journal article

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