School of Physics and Astronomy

Dr Christian Nielsen


MRI Fellow

Telephone: 0207 882 5582
Room Number: G. O. Jones Building, Room 305



  • BORGES GONZALEZ J, KOUSSEFF CJ, NIELSEN CB (2019). Organic semiconductors for biological sensing. nameOfConference
  • Nikolka M, Schweicher G, Armitage J et al. (2018). Performance Improvements in Conjugated Polymer Devices by Removal of Water-Induced Traps.. nameOfConference
  • Giovannitti A, Thorley KJ, Nielsen CB et al. (2018). Redox-Stability of Alkoxy-BDT Copolymers and their Use for Organic Bioelectronic Devices. nameOfConference
  • Schott S, McNellis ER, Nielsen CB et al. (2017). Tuning the effective spin-orbit coupling in molecular semiconductors.. nameOfConference
  • Neophytou M, Griffiths J, Fraser J et al. (2017). High mobility, hole transport materials for highly efficient PEDOT:PSS replacement in inverted perovskite solar cells. nameOfConference
  • Spicer CD, Booth MA, Mawad D et al. (2017). Synthesis of Hetero-bifunctional, End-Capped Oligo-EDOT Derivatives.. nameOfConference
  • Qiu W, Bastos JP, Dasgupta S et al. (2017). Highly efficient perovskite solar cells with crosslinked PCBM interlayers. nameOfConference
  • Giovannitti A, Sbircea D-T, Inal S et al. (2016). Controlling the mode of operation of organic transistors through side-chain engineering.. nameOfConference
  • Knall AC, Ashraf RS, Nikolka M et al. (2016). Naphthacenodithiophene Based Polymers—New Members of the Acenodithiophene Family Exhibiting High Mobility and Power Conversion Efficiency. nameOfConference
  • Giovannitti A, Nielsen CB, Sbircea DT et al. (2016). N-type organic electrochemical transistors with stability in water.. nameOfConference
  • Rochford LA, Jones TS, Nielsen CB (2016). Epitaxial Templating of C60 with a Molecular Monolayer.. nameOfConference
  • Nielsen CB, Giovannitti A, Sbircea D-T et al. (2016). Molecular Design of Semiconducting Polymers for High-Performance Organic Electrochemical Transistors.. nameOfConference
  • Rochford LA, Ramadan AJ, Holliday S et al. (2016). The effect of fluorination on the surface structure of truxenones. nameOfConference
  • Nielsen CB, Hammerum S (2016). Secondary kinetic deuterium isotope effects. The CC cleavage of labeled tetramethylethylenediamine radical cations-Who gets to keep the electron?. nameOfConference
  • Guilbert AA, Zbiri M, Jenart MV et al. (2016). New Insights into the Molecular Dynamics of P3HT:PCBM Bulk Heterojunction: A Time-of-Flight Quasi-Elastic Neutron Scattering Study.. nameOfConference
  • Holliday S, Ashraf RS, Wadsworth A et al. (2016). High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor.. nameOfConference
  • Biniek L, Nielsen CB (2016). Organic photovoltaics: More than ever, an Interdisciplinary field. nameOfConference
  • Giovannitti A, Nielsen CB, Rivnay J et al. (2016). Sodium and Potassium Ion Selective Conjugated Polymers for Optical Ion Detection in Solution and Solid State. nameOfConference
  • Yue W, Nikolka M, Xiao M et al. (2016). Azaisoindigo conjugated polymers for high performance n-type and ambipolar thin film transistor applications. nameOfConference
  • Ramadan AJ, Nielsen CB, Holliday S et al. (2016). Organic/inorganic epitaxy: Commensurate epitaxial growth of truxenone on Cu (111). nameOfConference
  • Dimitrov SD, Schroeder BC, Nielsen CB et al. (2016). Singlet exciton lifetimes in conjugated polymer films for organic solar cells. nameOfConference
  • Nielsen CB, Holliday S, Chen H-Y et al. (2015). Non-fullerene electron acceptors for use in organic solar cells.. nameOfConference
  • Yue W, Ashraf RS, Nielsen CB et al. (2015). A thieno[3,2-b][1]benzothiophene isoindigo building block for additive- and annealing-free high-performance polymer solar cells.. nameOfConference
  • Schroeder BC, Kirkus M, Nielsen CB et al. (2015). Dithienosilolothiophene: A New Polyfused Donor for Organic Electronics. nameOfConference
  • Nielsen CB, White AJP, McCulloch I (2015). Effect of fluorination of 2,1,3-benzothiadiazole.. nameOfConference
  • Nielsen CB, Ashraf RS, Treat ND et al. (2015). 2,1,3-Benzothiadiazole-5,6-dicarboxylic imide--a versatile building block for additive- and annealing-free processing of organic solar cells with efficiencies exceeding 8%.. nameOfConference
  • Ashraf RS, Meager I, Nikolka M et al. (2015). Chalcogenophene comonomer comparison in small band gap diketopyrrolopyrrole-based conjugated polymers for high-performing field-effect transistors and organic solar cells.. nameOfConference
  • Holliday S, Ashraf RS, Nielsen CB et al. (2015). A rhodanine flanked nonfullerene acceptor for solution-processed organic photovoltaics.. nameOfConference
  • Qiu W, Paetzold UW, Gehlhaar R et al. (2015). An electron beam evaporated TiO2 layer for high efficiency planar perovskite solar cells on flexible polyethylene terephthalate substrates. nameOfConference
  • Rumer JW, Ashraf RS, Eisenmenger ND et al. (2015). Dual function additives: A small molecule crosslinker for enhanced efficiency and stability in organic solar cells. nameOfConference
  • Schroeder BC, Nielsen CB, Westacott P et al. (2015). Effects of alkyl chain positioning on conjugated polymer microstructure and field-effect mobilities. nameOfConference
  • Meager I, Nikolka M, Schroeder BC et al. (2014). Thieno[3,2-b]thiophene flanked isoindigo polymers for high performance ambipolar OFET applications. nameOfConference
  • Meager I, Ashraf RS, Nielsen CB et al. (2014). Power conversion efficiency enhancement in diketopyrrolopyrrole based solar cells through polymer fractionation. nameOfConference
  • Nielsen CB, Voroshazi E, Holliday S et al. (2014). Electron-deficient truxenone derivatives and their use in organic photovoltaics. nameOfConference
  • Rumer JW, Schroeder BC, Nielsen CB et al. (2014). Bis-lactam-based donor polymers for organic solar cells: Evolution by design. nameOfConference
  • Schroeder BC, Rossbauer S, Kline RJ et al. (2014). Benzotrithiophene copolymers: Influence of molecular packing and energy levels on charge carrier mobility. nameOfConference
  • Dimitrov SD, Huang Z, Deledalle F et al. (2014). Towards optimisation of photocurrent from fullerene excitons in organic solar cells. nameOfConference
  • Nielsen CB, McCulloch I (2013). Recent advances in transistor performance of polythiophenes. nameOfConference
  • Nielsen CB, Ashraf RS, Rossbauer S et al. (2013). Post-polymerization ketalization for improved organic photovoltaic materials. nameOfConference
  • Nielsen CB, Turbiez M, McCulloch I (2013). Recent advances in the development of semiconducting DPP-containing polymers for transistor applications.. nameOfConference
  • Bansal N, Reynolds LX, MacLachlan A et al. (2013). Influence of crystallinity and energetics on charge separation in polymer-inorganic nanocomposite films for solar cells.. nameOfConference
  • Nielsen CB, Sohn E-H, Cho D-J et al. (2013). Improved field-effect transistor performance of a benzotrithiophene polymer through ketal cleavage in the solid state.. nameOfConference
  • Zhong H, Li Z, Deledalle F et al. (2013). Fused dithienogermolodithiophene low band gap polymers for high-performance organic solar cells without processing additives.. nameOfConference
  • Bronstein H, Frost JM, Hadipour A et al. (2013). Effect of fluorination on the properties of a donor-acceptor copolymer for use in photovoltaic cells and transistors. nameOfConference
  • Biniek L, Schroeder BC, Donaghey JE et al. (2013). New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors. nameOfConference
  • Nielsen CB, Voroshazi E, Holliday S et al. (2013). Efficient truxenone-based acceptors for organic photovoltaics. nameOfConference
  • Bakulin AA, Dimitrov SD, Rao A et al. (2013). Charge-Transfer State Dynamics Following Hole and Electron Transfer in Organic Photovoltaic Devices.. nameOfConference
  • Dimitrov SD, Bakulin AA, Nielsen CB et al. (2012). On the energetic dependence of charge separation in low-band-gap polymer/fullerene blends.. nameOfConference
  • Biniek L, Schroeder BC, Nielsen CB et al. (2012). Recent advances in high mobility donor-acceptor semiconducting polymers. nameOfConference
  • Schroeder BC, Ashraf RS, Thomas S et al. (2012). Synthesis of novel thieno[3,2-b]thienobis(silolothiophene) based low bandgap polymers for organic photovoltaics.. nameOfConference
  • Nielsen CB, Ashraf RS, Schroeder BC et al. (2012). Random benzotrithiophene-based donor-acceptor copolymers for efficient organic photovoltaic devices.. nameOfConference
  • McCulloch I, Ashraf RS, Biniek L et al. (2012). Design of semiconducting indacenodithiophene polymers for high performance transistors and solar cells.. nameOfConference
  • Kirkpatrick J, Nielsen CB, Zhang W et al. (2012). A systematic approach to the design optimization of light-absorbing indenofluorene polymers for organic photovoltaics. nameOfConference
  • Dimitrov SD, Nielsen CB, Shoaee S et al. (2012). Efficient charge photogeneration by the dissociation of PC 70 BM excitons in polymer/fullerene solar cells. nameOfConference
  • Donaghey JE, Ashraf RS, Kim Y et al. (2011). Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics. nameOfConference
  • Nielsen CB, Schroeder BC, Hadipour A et al. (2011). A benzotrithiophene-based low band gap polymer for polymer solar cells with high open-circuit voltage. nameOfConference
  • Schroeder BC, Nielsen CB, Kim YJ et al. (2011). Benzotrithiophene Co-polymers with high charge carrier mobilities in field-effect transistors. nameOfConference
  • Nielsen CB, Fraser JM, Schroeder BC et al. (2011). Benzotrithiophene--a planar, electron-rich building block for organic semiconductors.. nameOfConference
  • Mavrinskiy A, Nielsen CB, Reynolds JR et al. (2011). Influence of the alkyl mantle on the self-assembly of phenylene-thienylene- based oligomers. nameOfConference
  • Tuladhar SM, Sims M, Choulis SA et al. (2009). Influence of side chain symmetry on the performance of poly(2,5-dialkoxy-p-phenylenevinylene): fullerene blend solar cells. nameOfConference
  • Tuladhar SM, Sims M, Kirkpatrick J et al. (2009). Influence of alkyl chain length on charge transport in symmetrically substituted poly(2,5-dialkoxy-p-phenylenevinylene) polymers. nameOfConference
  • Nielsen CB, Angerhofer A, Abboud KA et al. (2008). Discrete photopatternable pi-conjugated oligomers for electrochromic devices.. nameOfConference
  • Sims M, Tuladhar SM, Nelson J et al. (2007). Correlation between microstructure and charge transport in poly(2,5-dimethoxy- p -phenylenevinylene) thin films. nameOfConference
  • Nielsen CB, Bjørnholm T (2005). Structure-property relations of regiosymmetrical 3,4-dioxy-functionalized polythiophenes. nameOfConference
  • Nielsen CB, Bjørnholm T (2004). New regiosymmetrical dioxopyrrolo- and dihydropyrrolo-functionalized polythiophenes.. nameOfConference
  • Laursen BW, Nørgaard K, Reitzel N et al. (2004). Macroscopic alignment of graphene stacks by Langmuir-Blodgett deposition of amphiphilic hexabenzocoronenes.. nameOfConference

PhD Supervision

This is not an exhaustive list and I would be happy to discuss other project possibilities.