Donal Bradley: Publications

High‐Efficiency Organic Photovoltaic Cells Based on the Solution‐Processable Hole Transporting Interlayer Copper Thiocyanate (CuSCN) as a Replacement for PEDOT:PSS

Advanced Energy Materials Wiley 5:3 (2015)

Authors:

Nir Yaacobi‐Gross, Neil D Treat, Pichaya Pattanasattayavong, Hendrik Faber, Ajay K Perumal, Natalie Stingelin, Donal DC Bradley, Paul N Stavrinou, Martin Heeney, Thomas D Anthopoulos

Dip-pen patterning of poly(9,9-dioctylfluorene) chain-conformation-based nano-photonic elements

Nature Communications Springer Science and Business Media LLC 6:1 (2015) 5977

Authors:

Aleksandr Perevedentsev, Yannick Sonnefraud, Colin R Belton, Sanjiv Sharma, Anthony EG Cass, Stefan A Maier, Ji-Seon Kim, Paul N Stavrinou, Donal DC Bradley

Abstract:

AbstractMetamaterials are a promising new class of materials, in which sub-wavelength physical structures, rather than variations in chemical composition, can be used to modify the nature of their interaction with electromagnetic radiation. Here we show that a metamaterials approach, using a discrete physical geometry (conformation) of the segments of a polymer chain as the vector for a substantial refractive index change, can be used to enable visible wavelength, conjugated polymer photonic elements. In particular, we demonstrate that a novel form of dip-pen nanolithography provides an effective means to pattern the so-called β-phase conformation in poly(9,9-dioctylfluorene) thin films. This can be done on length scales ≤500 nm, as required to fabricate a variety of such elements, two of which are theoretically modelled using complex photonic dispersion calculations.

High‐Efficiency, Solution‐Processed, Multilayer Phosphorescent Organic Light‐Emitting Diodes with a Copper Thiocyanate Hole‐Injection/Hole‐Transport Layer

Advanced Materials Wiley 27:1 (2015) 93-100

Authors:

Ajay Perumal, Hendrik Faber, Nir Yaacobi‐Gross, Pichaya Pattanasattayavong, Claire Burgess, Shrawan Jha, Martyn A McLachlan, Paul N Stavrinou, Thomas D Anthopoulos, Donal DC Bradley

Interplay between solid state microstructure and photophysics for poly(9,9‐dioctylfluorene) within oriented polyethylene hosts

Journal of Polymer Science Part B Polymer Physics Wiley 53:1 (2015) 22-38

Authors:

Aleksandr Perevedentsev, Seda Aksel, Kirill Feldman, Paul Smith, Paul N Stavrinou, Donal DC Bradley

4 H -1,2,6-Thiadiazin-4-one-containing small molecule donors and additive effects on their performance in solution-processed organic solar cells

Journal of Materials Chemistry C Royal Society of Chemistry (RSC) 3:10 (2015) 2358-2365

Authors:

Felix Hermerschmidt, Andreas S Kalogirou, Jie Min, Georgia A Zissimou, Sachetan M Tuladhar, Tayebeh Ameri, Hendrik Faber, Grigorios Itskos, Stelios A Choulis, Thomas D Anthopoulos, Donal DC Bradley, Jenny Nelson, Christoph J Brabec, Panayiotis A Koutentis

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Donal Bradley

Sub department

High‐Efficiency Organic Photovoltaic Cells Based on the Solution‐Processable Hole Transporting Interlayer Copper Thiocyanate (CuSCN) as a Replacement for PEDOT:PSS

Authors:

Dip-pen patterning of poly(9,9-dioctylfluorene) chain-conformation-based nano-photonic elements

Authors:

Abstract:

High‐Efficiency, Solution‐Processed, Multilayer Phosphorescent Organic Light‐Emitting Diodes with a Copper Thiocyanate Hole‐Injection/Hole‐Transport Layer

Authors:

Interplay between solid state microstructure and photophysics for poly(9,9‐dioctylfluorene) within oriented polyethylene hosts

Authors:

4 H -1,2,6-Thiadiazin-4-one-containing small molecule donors and additive effects on their performance in solution-processed organic solar cells

Authors:

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