Imperial College London

ProfessorThomasAnthopoulos

Faculty of Natural SciencesDepartment of Physics

Visiting Professor
 
 
 
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Contact

 

+44 (0)20 7594 6669thomas.anthopoulos Website

 
 
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Assistant

 

Mrs Carolyn Dale +44 (0)20 7594 7579

 
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Location

 

1111Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

425 results found

Mohan L, Ratnasingham SR, Panidi J, Daboczi M, Kim J-S, Anthopoulos TD, Briscoe J, McLachlan MA, Kreouzis Tet al., 2021, Determining Out-of-Plane Hole Mobility in CuSCN via the Time-of-Flight Technique To Elucidate Its Function in Perovskite Solar Cells, ACS APPLIED MATERIALS & INTERFACES, Vol: 13, Pages: 38499-38507, ISSN: 1944-8244

Journal article

Dauzon E, Sallenave X, Plesse C, Goubard F, Amassian A, Anthopoulos TDet al., 2021, Pushing the Limits of Flexibility and Stretchability of Solar Cells: A Review, ADVANCED MATERIALS, ISSN: 0935-9648

Journal article

Zhang T, Moser M, Scaccabarozzi A, Bristow H, Jacoutot P, Wadsworth A, Anthopoulos T, McCulloch I, Gasparini Net al., 2021, Ternary organic photodetectors based on pseudo–binaries nonfullerene–based acceptors, Journal of Physics: Materials, Vol: 4, Pages: 1-8, ISSN: 2515-7639

The addition of a third component to a donor:acceptor blend is a powerful tool to enhance the power conversion efficiency of organic solar cells. Featuring a similar operating mechanism, organic photodetectors are also expected to benefit from this approach. Here, we fabricated ternary organic photodetectors, based on a polymer donor and two nonfullerene acceptors, resulting in a low dark current of 0.42 nA cm−2 at −2 V and a broadband specific detectivity of 1012 Jones. We found that exciton recombination in the binary blend is reduced in ternary devices due to the formation of a pseudo-binary microstructure with mixed donor–acceptor phases. With this approach a wide range of intermediate open-circuit voltages is accessible, without sacrificing light-to-current conversion. This results in ternary organic photodetector (TOPD) with improved Responsivity values in the near-infrared. Moreover, morphology analyses reveal that TOPD devices showed improved microstructure ordering and consequentially higher charge carrier mobilities compared to the reference devices.

Journal article

Nam S, Khim D, Martinez GT, Varambhia A, Nellist PD, Kim Y, Anthopoulos TD, Bradley DDCet al., 2021, Significant Performance Improvement in n-Channel Organic Field-Effect Transistors with C-60:C-70 Co-Crystals Induced by Poly(2-ethyl-2-oxazoline) Nanodots, ADVANCED MATERIALS, Vol: 33, ISSN: 0935-9648

Journal article

Isikgor FH, Furlan F, Liu J, Ugur E, Eswaran MK, Subbiah AS, Yengel E, De Bastiani M, Harrison GT, Zhumagali S, Howells CT, Aydin E, Wang M, Gasparini N, Allen TG, Rehman AU, Van Kerschaver E, Baran D, McCulloch I, Anthopoulos TD, Schwingenschlogl U, Laquai F, De Wolf Set al., 2021, Concurrent cationic and anionic perovskite defect passivation enables 27.4% perovskite/silicon tandems with suppression of halide segregation, JOULE, Vol: 5, Pages: 1566-1586, ISSN: 2542-4351

Journal article

Zhang S, Tang M-C, Nguyen N, Anthopoulos TD, Hacker CAet al., 2021, Wide-Band-Gap Mixed-Halide 3D Perovskites: Electronic Structure and Halide Segregation Investigation, ACS APPLIED ELECTRONIC MATERIALS, Vol: 3, Pages: 2277-2285

Journal article

Lin Y, Magomedov A, Firdaus Y, Kaltsas D, El-Labban A, Faber H, Naphade DR, Yengel E, Zheng X, Yarali E, Chaturvedi N, Loganathan K, Gkeka D, AlShammari SH, Bakr OM, Laquai F, Tsetseris L, Getautis V, Anthopoulos TDet al., 2021, 18.4 % Organic Solar Cells Using a High Ionization Energy Self-Assembled Monolayer as Hole-Extraction Interlayer, CHEMSUSCHEM, ISSN: 1864-5631

Journal article

Marina S, Scaccabarozzi AD, Gutierrez-Fernandez E, Solano E, Khirbat A, Ciammaruchi L, Iturrospe A, Balzer A, Yu L, Gabirondo E, Monnier X, Sardon H, Anthopoulos TD, Caironi M, Campoy-Quiles M, Muller C, Cangialosi D, Stingelin N, Martin Jet al., 2021, Polymorphism in Non-Fullerene Acceptors Based on Indacenodithienothiophene, ADVANCED FUNCTIONAL MATERIALS, Vol: 31, ISSN: 1616-301X

Journal article

Troughton J, Neubert S, Gasparini N, Villalva DR, Bertrandie J, Seitkhan A, Paleti SHK, Sharma A, De Bastiani M, Aydin E, Anthopoulos TD, De Wolf S, Schlatmann R, Baran Det al., 2021, Efficient Hybrid Amorphous Silicon/Organic Tandem Solar Cells Enabled by Near-Infrared Absorbing Nonfullerene Acceptors, ADVANCED ENERGY MATERIALS, Vol: 11, ISSN: 1614-6832

Journal article

Sakai N, Warren R, Zhang F, Nayak S, Liu J, Kesava SV, Lin Y-H, Biswal HS, Lin X, Grovenor C, Malinauskas T, Basu A, Anthopoulos TD, Getautis V, Kahn A, Riede M, Nayak PK, Snaith HJet al., 2021, Adduct-based p-doping of organic semiconductors, NATURE MATERIALS, ISSN: 1476-1122

Journal article

Wahyudi W, Ladelta V, Tsetseris L, Alsabban MM, Guo X, Yengel E, Faber H, Adilbekova B, Seitkhan A, Emwas A-H, Hedhili MN, Li L-J, Tung V, Hadjichristidis N, Anthopoulos TD, Ming Jet al., 2021, Lithium-Ion Desolvation Induced by Nitrate Additives Reveals New Insights into High Performance Lithium Batteries, ADVANCED FUNCTIONAL MATERIALS, Vol: 31, ISSN: 1616-301X

Journal article

Fallon KJ, Wijeyasinghe N, Leventis A, Marin-Beloqui JM, Toolan DTW, Al-Hashimi M, Clarke TM, Anthopoulos TD, Bronstein Het al., 2021, Tyrian purple: an ancient natural dye for cross-conjugated n-type charge transport, JOURNAL OF MATERIALS CHEMISTRY C, Vol: 9, Pages: 4200-4205, ISSN: 2050-7526

Journal article

Kim H, Nugraha M, Guan X, Wang Z, Hota MK, Xu X, Wu T, Baran D, Anthopoulos TD, Alshareef HNet al., 2021, All-Solution-Processed Quantum Dot Electrical Double-Layer Transistors Enhanced by Surface Charges of Ti3C2Tx MXene Contacts, ACS NANO, Vol: 15, Pages: 5221-5229, ISSN: 1936-0851

Journal article

Paterson AF, Li R, Markina A, Tsetseris L, MacPhee S, Faber H, Emwas A-H, Panidi J, Bristow H, Wadsworth A, Baran D, Andrienko D, Heeney M, McCulloch I, Anthopoulos TDet al., 2021, N-Doping improves charge transport and morphology in the organic non-fullerene acceptor O-IDTBR dagger, JOURNAL OF MATERIALS CHEMISTRY C, Vol: 9, Pages: 4486-4495, ISSN: 2050-7526

Journal article

Kafourou P, Park B, Luke J, Tan L, Panidi J, Glöcklhofer F, Kim J, Anthopoulos TD, Kim J, Lee K, Kwon S, Heeney Met al., 2021, One‐step sixfold cyanation of benzothiadiazole acceptor units for air‐stable high‐performance n‐type organic field‐effect transistors, Angewandte Chemie, Vol: 133, Pages: 6035-6042, ISSN: 0044-8249

Reported here is a new high electron affinity acceptor end group for organic semiconductors, 2,1,3‐benzothiadiazole‐4,5,6‐tricarbonitrile (TCNBT). An n‐type organic semiconductor with an indacenodithiophene (IDT) core and TCNBT end groups was synthesized by a sixfold nucleophilic substitution with cyanide on a fluorinated precursor, itself prepared by a direct arylation approach. This one‐step chemical modification significantly impacted the molecular properties: the fluorinated precursor, TFBT IDT, a poor ambipolar semiconductor, was converted into TCNBT IDT, a good n‐type semiconductor. The electron‐deficient end group TCNBT dramatically decreased the energy of the highest occupied and lowest unoccupied molecular orbitals (HOMO/LUMO) compared to the fluorinated analogue and improved the molecular orientation when utilized in n‐type organic field‐effect transistors (OFETs). Solution‐processed OFETs based on TCNBT IDT exhibited a charge‐carrier mobility of up to μe≈0.15 cm2 V−1 s−1 with excellent ambient stability for 100 hours, highlighting the benefits of the cyanated end group and the synthetic approach.

Journal article

Heeney M, Kafourou P, Park B, Luke J, Luxi T, Panidi J, Glöcklhofer F, Kim J, Anthopoulos TD, Kim J-S, Lee K, Kwon Set al., 2021, One-step six-fold cyanation of benzothiadiazole acceptor Units for air-stable high-performance n-type organic field-effect transistors, Angewandte Chemie International Edition, Vol: 60, Pages: 5970-5977, ISSN: 1433-7851

We report a new high electron affinity acceptor end group for organic semiconductors, 2,1,3-benzothiadiazole-4,5,6-tricarbonitrile (TCNBT). An n-type organic semiconductor with an indacenodithiophene (IDT) core and TCNBT end groups was synthesized by a six-fold nucleophilic substitution with cyanides on a fluorinated precursor, itself prepared by a direct arylation approach. This one-step chemical modification was found to significantly impact the molecular properties: the fluorinated precursor, TFBT IDT, a poor ambipolar semiconductor, was converted into TCNBT IDT, a good n-type semiconductor. The highly electron-deficient end group TCNBT dramatically decreased the energy of the highest occupied and lowest unoccupied molecular orbitals (HOMO/LUMO) compared to the fluorinated analogue and improved the molecular orientation when utilized in n-type organic field-effect transistors (OFETs). Solution-processed OFETs based on TCNBT IDT exhibited a charge carrier mobility of up to µ e ≈ 0.15 cm 2 V -1 s -1 with excellent ambient stability for 100 hours, highlighting the benefits of the cyanated end group and the synthetic approach.

Journal article

Wang B, Scaccabarozzi AD, Wang H, Koizumi M, Nugraha MI, Lin Y, Firdaus Y, Wang Y, Lee S, Yokota T, Anthopoulos TD, Someya Tet al., 2021, Molecular doping of near-infrared organic photodetectors for photoplethysmogram sensors, JOURNAL OF MATERIALS CHEMISTRY C, Vol: 9, Pages: 3129-3135, ISSN: 2050-7526

Journal article

Hodsden T, Thorley KJ, Basu A, White AJP, Wang C, Mitchell W, Glocklhofer F, Anthopoulos TD, Heeney Met al., 2021, The influence of alkyl group regiochemistry and backbone fluorination on the packing and transistor performance of N-cyanoimine functionalised indacenodithiophenes, Materials Advances, Vol: 2, Pages: 1706-1714

The synthesis of two novel n-type molecular organic semiconductors based on a fluorinated indacenodithiophene core in combination with an electron withdrawing N-cyanoimine group is reported, and the influence of the regiochemistry of the solubilizing sidechain is investigated. The N-cyanoimine is confirmed to be a strongly electron accepting group, which in combination with the core fluorination resulted in high electron affinities for both materials. Single crystal analysis demonstrated that whilst both materials arrange in ordered slipped stacks with close π–π stacking distances (∼3.40 Å), significant differences in electron transfer integrals for the two regioisomers were observed, relating to differences in relative molecular displacement along the π-stacking direction. Organic thin-film transistors fabricated via blade-coating displayed electron mobility up to 0.13 cm2 V−1 s−1 for the isomer with the larger transfer integral.

Journal article

Tang M-C, Dang HX, Lee S, Barrit D, Munir R, Wang K, Li R, Smilgies D-M, De Wolf S, Kim D-Y, Anthopoulos TD, Amassian Aet al., 2021, Wide and Tunable Bandgap MAPbBr(3-x)Cl(x) Hybrid Perovskites with Enhanced Phase Stability: In Situ Investigation and Photovoltaic Devices, SOLAR RRL, Vol: 5, ISSN: 2367-198X

Journal article

Isikgor FH, Subbiah AS, Eswaran MK, Howells CT, Babayigit A, De Bastiani M, Yengel E, Liu J, Furlan F, Harrison GT, Zhumagali S, Khan J, Laquai F, Anthopoulos TD, McCulloch I, Schwingenschloegl U, De Wolf Set al., 2021, Scaling-up perovskite solar cells on hydrophobic surfaces, NANO ENERGY, Vol: 81, ISSN: 2211-2855

Journal article

Tang M-C, Zhang S, Magnanelli TJ, Nguyen NV, Heilweil EJ, Anthopoulos TD, Hacker CAet al., 2021, Unraveling the compositional heterogeneity and carrier dynamics of alkali cation doped 3D/2D perovskites with improved stability, MATERIALS ADVANCES, Vol: 2

Journal article

Maria IP, Paulsen BD, Savva A, Ohayon D, Wu R, Hallani R, Basu A, Du W, Anthopoulos TD, Inal S, Rivnay J, McCulloch I, Giovannitti Aet al., 2021, The Effect of Alkyl Spacers on the Mixed Ionic-Electronic Conduction Properties of N-Type Polymers, ADVANCED FUNCTIONAL MATERIALS, Vol: 31, ISSN: 1616-301X

Journal article

Li Q, Cao Z, Wahyudi W, Liu G, Park G-T, Cavallo L, Anthopoulos TD, Wang L, Sun Y-K, Alshareef HN, Ming Jet al., 2021, Unraveling the New Role of an Ethylene Carbonate Solvation Shell in Rechargeable Metal Ion Batteries, ACS ENERGY LETTERS, Vol: 6, Pages: 69-78, ISSN: 2380-8195

Journal article

Abdullah I, Emyr Macdonald J, Lin Y-H, Anthopoulos TD, Salahr NH, Anwar Kakil S, Muhammadsharif FFet al., 2021, Bias stability of solution-processed In2O3 thin film transistors, JOURNAL OF PHYSICS-MATERIALS, Vol: 4

Journal article

Liu J, Ye G, Potgieser HGO, Koopmans M, Sami S, Nugraha MI, Villalva DR, Sun H, Dong J, Yang X, Qiu X, Yao C, Portale G, Fabiano S, Anthopoulos TD, Baran D, Havenith RWA, Chiechi RC, Koster LJAet al., 2021, Amphipathic Side Chain of a Conjugated Polymer Optimizes Dopant Location toward Efficient N-Type Organic Thermoelectrics, ADVANCED MATERIALS, Vol: 33, ISSN: 0935-9648

Journal article

Gedda M, Yengel E, Faber H, Paulus F, Kress JA, Tang M-C, Zhang S, Hacker CA, Kumar P, Naphade DR, Vaynzof Y, Volonakis G, Giustino F, Anthopoulos TDet al., 2020, Ruddlesden-Popper-Phase Hybrid Halide Perovskite/Small-Molecule Organic Blend Memory Transistors, ADVANCED MATERIALS, Vol: 33, ISSN: 0935-9648

Journal article

Firdaus Y, Ho CHY, Lin Y, Yengel E, Le Corre VM, Nugraha M, Yarali E, So F, Anthopoulos TDet al., 2020, Efficient Double- and Triple-Junction Nonfullerene Organic Photovoltaics and Design Guidelines for Optimal Cell Performance, ACS ENERGY LETTERS, Vol: 5, Pages: 3692-3701, ISSN: 2380-8195

Journal article

Lin Y, Nugraha MI, Firdaus Y, Scaccabarozzi AD, Anies F, Emwas A-H, Yengel E, Zheng X, Liu J, Wahyudi W, Yarali E, Faber H, Bakr OM, Tsetseris L, Heeney M, Anthopoulos TDet al., 2020, A Simple n-Dopant Derived from Diquat Boosts the Efficiency of Organic Solar Cells to 18.3%, ACS ENERGY LETTERS, Vol: 5, Pages: 3663-3671, ISSN: 2380-8195

Journal article

Fan Q, An Q, Lin Y, Xia Y, Li Q, Zhang M, Su W, Peng W, Zhang C, Liu F, Hou L, Zhu W, Yu D, Xiao M, Moons E, Zhang F, Anthopoulos TD, Inganas O, Wang Eet al., 2020, Over 14% efficiency all-polymer solar cells enabled by a low bandgap polymer acceptor with low energy loss and efficient charge separation, ENERGY & ENVIRONMENTAL SCIENCE, Vol: 13, Pages: 5017-5027, ISSN: 1754-5692

Journal article

Basu A, Niazi MR, Scaccabarozzi AD, Faber H, Fei Z, Anjum DH, Paterson AF, Boltalina O, Heeney M, Anthopoulos TDet al., 2020, Impact of p-type doping on charge transport in blade-coated small-molecule:polymer blend transistors, JOURNAL OF MATERIALS CHEMISTRY C, Vol: 8, Pages: 15368-15376, ISSN: 2050-7526

Journal article

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