Novel organic materials for efficient low-cost solar cells

Benzotriazole-based donor-acceptor conjugated polymers with a broad absorption in the visible range

Wallace WH Wong, Jegadesan Subbiah, Sreenivasa R Puniredd, Wojciech Pisula, David J Jones, Andrew B Holmes

2014-02-21

A series of benzodithiophene-benzotriazole push-pull copolymers were synthesised and characterised and their performance in bulk h..

Synthesis and photovoltaic properties of thieno[3,2-b]thiophenyl substituted benzo[1,2-b:4,5-b ']dithiophene copolymers

Z Xiao, J Subbiah, K Sun, DJ Jones, AB Holmes, WWH Wong

2014-01-01

A new benzo[1,2-b:4,5-b']dithiophene (BDT) building block with 4,8-disubstitution using 2-(2-ethylhexyl)-3-hexylthieno[3,2-b]thiop..

Thiazolyl substituted benzodithiophene copolymers: synthesis, properties and photovoltaic applications

Z Xiao, J Subbiah, K Sun, S Ji, DJ Jones, AB Holmes, WWH Wong

2014-01-01

Three new conjugated polymers based on 5-decylthiazol-2-yl substituted benzodithiophene have been synthesized by Stille cross-coup..

Continuous Flow Synthesis of Organic Electronic Materials - Case Studies in Methodology Translation and Scale-up

Helga Seyler, Stefan Haid, Tae-Hyuk Kwon, David J Jones, Peter Baeuerle, Andrew B Holmes, Wallace WH Wong

2013-01-01

The continuous flow synthesis of functional thiophene derivatives was examined. Methodology for the lithiation of thiophene buildi..

Electron deficient conjugated polymers based on benzotriazole

James L Banal, Jegadesan Subbiah, Hamish Graham, Jin-Kyun Lee, Kenneth P Ghiggino, Wallace WH Wong

2013-01-01

A series of solution processable conjugated polymers containing the benzotriazole unit have been synthesized and studied. The benz..

Photophysics and aggregation effects of a triphenylamine-based dye sensitizer on metal-oxide nanoparticles suspended in an ion trap

Viktoras Dryza, Jessica L Nguyen, Tae-Hyuk Kwon, Wallace WH Wong, Andrew B Holmes, Evan J Bieske

2013-01-01

The photophysical behaviour of a triphenylamine-based organic dye sensitizer (Carbz-PAHTDTT) attached to alumina and titania nanop..

Polythiophene-perylene diimide heterojunction field-effect transistors

Sreenivasa Reddy Puniredd, Adam Kiersnowski, Glauco Battagliarin, Wojciech Zajaczkowski, Wallace WH Wong, Nigel Kirby, Klaus Muellen, Wojciech Pisula

2013-01-01

Thin film field-effect transistors based on binary blends of poly(3-hexylthiophene) (P3HT) and two perylene diimide (PDI) derivati..

Correlation of charge extraction properties and short circuit current in various organic binary and ternary blend photovoltaic devices

T Birendra Singh, Xiwen Chen, Wallace WH Wong, Tino Ehlig, Peter Kemppinen, Ming Chen, Scott E Watkins, Kevin N Winzenberg, Steven Holdcroft, David J Jones, Andrew B Holmes

2012-09-01

Charge extraction properties of various binary and ternary blends of organic photovoltaic devices covering both polymers and small..

Solution Processable Monosubstituted Hexa-Peri-Hexabenzocoronene Self-Assembling Dyes

Shijie Ren, Chao Yan, Doojin Vak, David J Jones, Andrew B Holmes, Wallace WH Wong

2012-05-23

Molecular organization behavior and visible light absorption ability are important factors for organic materials to be used in eff..

Hexa-peri-hexabenzocoronene in organic electronics

Helga Seyler, Balaji Purushothaman, David J Jones, Andrew B Holmes, Wallace WH Wong

2012-01-01

Polycyclic aromatic hydrocarbons (PAHs) are in a class of functional organic compounds with increasing importance in organic elect..

Liquid crystalline hexa-peri-hexabenzocoronene-diketopyrrolopyrrole organic dyes for photovoltaic applications

Wallace WH Wong, Jegadesan Subbiah, Sreenivasa R Puniredd, Balaji Purushothaman, Wojciech Pisula, Nigel Kirby, Klaus Muellen, David J Jones, Andrew B Holmes

2012-01-01

A series of liquid crystalline organic dyes consisting of fluorenyl hexa-peri-hexabenzocoronene (FHBC) and diketopyrrolopyrrole (D..

Synthesis of electron-poor hexa-peri-hexabenzocoronenes

David J Jones, Balaji Purushothaman, Shaomin Ji, Andrew B Holmes, Wallace WH Wong

2012-01-01

The oxidative cyclodehydrogenation of electron-poor arenes was achieved using DDQ-CF(3)SO(3)H resulting in hexa-peri-hexabenzocoro..

Continuous Flow Synthesis of Fullerene Derivatives

Helga Seyler, Wallace WH Wong, David J Jones, Andrew B Holmes

2011-05-06

Various fullerene-based electron acceptor materials for organic photovoltaic applications were prepared via [3+2] and [4+2] cycloa..

Fluorenyl Hexa-peri-hexabenzocoronene-Dendritic Oligothiophene Hybrid Materials: Synthesis, Photophysical Properties, Self-Association Behaviour and Device Performance

Wallace WH Wong, Chang-Qi Ma, Wojciech Pisula, Alexey Mavrinskiy, Xinliang Feng, Helga Seyler, David J Jones, Klaus Muellen, Peter Baeuerle, Andrew B Holmes

2011-05-01

Apart from molecular properties, intermolecular forces play a vital role in defining the performance of organic electronic devices..

Ambipolar Hexa-peri-hexabenzocoronene-Fullerene Hybrid Materials

Wallace WH Wong, Doojin Vak, Th Birendra Singh, Shijie Ren, Chao Yan, David J Jones, Irving I Liaw, Robert N Lamb, Andrew B Holmes

2010-11-05

A new class of self-assembling hexa-peri-hexbenzocoronene (HBC)-fullerene hybrid materials has been synthesized and characterized...

Solution Processable Fluorenyl Hexa-peri-hexabenzocoronenes in Organic Field-Effect Transistors and Solar Cells

Wallace WH Wong, T Birendra Singh, Doojin Vak, Wojciech Pisula, Chao Yan, Xinliang Feng, Evan L Williams, Khai Leok Chan, Qinghui Mao, David J Jones, Chang-Qi Ma, Klaus Muellen, Peter Baeuerle, Andrew B Holmes

2010-03-24

The organization of organic semiconductor molecules in the active layer of organic electronic devices has important consequences t..

Self-Assembling Thiophene Dendrimers with a Hexa-peri-hexabenzocoronene Core-Synthesis, Characterization and Performance in Bulk Heterojunction Solar Cells

Wallace WH Wong, Chang-Qi Ma, Wojciech Pisula, Chao Yan, Xinliang Feng, David J Jones, Klaus Muellen, Rene AJ Janssen, Peter Baeuerle, Andrew B Holmes

2010-01-26

The solid state organization of molecules is an important factor in determining the performance of organic electronic devices. In ..

A porphyrin-hexa-peri-hexabenzocoronene-porphyrin triad: synthesis, photophysical properties and performance in a photovoltaic device

Wallace WH Wong, Tony Khoury, Doojin Vak, Chao Yan, David J Jones, Maxwell J Crossley, Andrew B Holmes

2010-01-01

Hexa-peri-hexabenzocoronene (HBC) is a discotic polycyclic aromatic hydrocarbon with good charge transport characteristics while t..

Synthesis, Photophysical, and Device Properties of Novel Dendrimers Based on a Fluorene-Hexabenzocoronene (FHBC) Core

Wallace WH Wong, David J Jones, Chao Yan, Scott E Watkins, Simon King, Saif A Haque, Xiaoming Wen, Kenneth P Ghiggino, Andrew B Holmes

2009-02-19

The synthesis of easily functionalized and highly soluble fluorene-containing hexabenzocoronenes (FHBC) has been achieved in high ..