Raja Shahid Ashraf

Overview

Best Publications

• High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor

  Sarah Holliday;Raja Shahid Ashraf;Andrew Wadsworth;Derya Baran

  1274
  Citations

• Reducing the efficiency–stability–cost gap of organic photovoltaics with highly efficient and stable small molecule acceptor ternary solar cells

  Derya Baran;Derya Baran;Derya Baran;Raja Shahid Ashraf;Raja Shahid Ashraf;David A. Hanifi;Maged Abdelsamie

  1061
  Citations

• Thieno[3,2-b]thiophene-Diketopyrrolopyrrole-Containing Polymers for High-Performance Organic Field-Effect Transistors and Organic Photovoltaic Devices

  Hugo Bronstein;Zhuoying Chen;Raja Shahid Ashraf;Weimin Zhang

  1020
  Citations

• High‐Performance Ambipolar Diketopyrrolopyrrole‐Thieno[3,2‐b]thiophene Copolymer Field‐Effect Transistors with Balanced Hole and Electron Mobilities

  Zhuoying Chen;Mi Jung Lee;Raja Shahid Ashraf;Yun Gu

  637
  Citations

• Reduced voltage losses yield 10% efficient fullerene free organic solar cells with >1 V open circuit voltages

  Derya Baran;Derya Baran;T. Kirchartz;T. Kirchartz;Scot Wheeler;Stoichko D. Dimitrov

  541
  Citations

• A Rhodanine Flanked Nonfullerene Acceptor for Solution-Processed Organic Photovoltaics

  Sarah Holliday;Raja Shahid Ashraf;Christian Bergenstof Nielsen;Mindaugas Kirkus

  522
  Citations

• Molecular packing of high-mobility diketo pyrrolo-pyrrole polymer semiconductors with branched alkyl side chains

  Xinran Zhang;Lee J. Richter;Dean M. DeLongchamp;R. Joseph Kline

  468
  Citations

• Chalcogenophene comonomer comparison in small band gap diketopyrrolopyrrole-based conjugated polymers for high-performing field-effect transistors and organic solar cells.

  Raja Shahid Ashraf;Iain Meager;Mark Nikolka;Mindaugas Kirkus

  431
  Citations

• Exploring the origin of high optical absorption in conjugated polymers

  Michelle S. Vezie;Sheridan Few;Iain Meager;Galatia Pieridou

  423
  Citations

• Photocurrent Enhancement from Diketopyrrolopyrrole Polymer Solar Cells through Alkyl-Chain Branching Point Manipulation

  Iain Meager;Raja Shahid Ashraf;Sonya Mollinger;Bob C. Schroeder

  325
  Citations

• Design of Semiconducting Indacenodithiophene Polymers for High Performance Transistors and Solar Cells

  Iain McCulloch;Raja Shahid Ashraf;Laure Biniek;Hugo Bronstein

  300
  Citations

• Competition between the charge transfer state and the singlet states of donor or acceptor limiting the efficiency in polymer:fullerene solar cells.

  Mark A. Faist;Thomas Kirchartz;Wei Gong;Raja Shahid Ashraf

  291
  Citations

• A new thiophene substituted isoindigo based copolymer for high performance ambipolar transistors

  Raja Shahid Ashraf;Auke Jisk Kronemeijer;David Ian James;Henning Sirringhaus

  279
  Citations

• Effect of Fluorination on the Properties of a Donor–Acceptor Copolymer for Use in Photovoltaic Cells and Transistors

  Hugo Bronstein;Jarvist M. Frost;Afshin Hadipour;Youngju Kim

  268
  Citations

• Indacenodithiophene-co-benzothiadiazole Copolymers for High Performance Solar Cells or Transistors via Alkyl Chain Optimization

  Hugo Bronstein;Dong Seok Leem;Richard Hamilton;Paul Woebkenberg

  218
  Citations

• Silaindacenodithiophene-Based Low Band Gap Polymers - The Effect of Fluorine Substitution on Device Performances and Film Morphologies

  Bob C. Schroeder;Zhenggang Huang;Raja Shahid Ashraf;Jeremy Smith

  212
  Citations

• Thienopyrazine-Based Low-Bandgap Poly(heteroaryleneethynylene)s for Photovoltaic Devices

  Raja Shahid Ashraf;Munazzaa Shahid;Elisabeth Klemm;Maher Al-Ibrahim

  191
  Citations

• The Influence of Polymer Purification on Photovoltaic Device Performance of a Series of Indacenodithiophene Donor Polymers

  Raja Shahid Ashraf;Bob C. Schroeder;Hugo A. Bronstein;Zhenggang Huang

  165
  Citations

• Silaindacenodithiophene semiconducting polymers for efficient solar cells and high mobility ambipolar transistors

  Raja Shahid Ashraf;Zhuoying Chen;Dong Seok Leem;Hugo Bronstein

  151
  Citations

• A thieno[3,2-b][1]benzothiophene isoindigo building block for additive- and annealing-free high-performance polymer solar cells.

  Wan Yue;Raja Shahid Ashraf;Christian B. Nielsen;Elisa Collado‐Fregoso

  140
  Citations