Staff profile

Research

Dr Groves' research centres on the exploitation of new materials for energy generation and unconventional computing. This involves the development of simulation models to link the stucture of organic materials to the performance of devices, new experimental techniques such as 1/f noise spectroscopy, and engineering better performance via additive manufacture. He has published more than 40 papers, book chapters, and review articles that have been cited more than 2000 times. He is Institution Director for the North East Centre for Energy Materials and the EPSRC Centre for Renewable Energy Northeast Universities (ReNU), as well as an Editor for the Springer Nature Journal, Journal of Materials Science: Materials in Electronics.

• Unconventional computing
• Modelling of electronic transport in conducting polymers
• Organic Electronic devices
• Photovoltaics

• 2018: Appointed Editor of Journal of Materials Science: Materials in Electronics:
• 2017: Work highlighted in IEEE Spectrum:
• 2016: Invited review in Reports in Progress in Physics:
• 2014: Seminar at Technical University of Eindhoven:
• 2014: Invited seminar at TU Graz:
• 2014: Article chosen as Hot Article by PCCP:
• 2014: Invited talk at CECAM:
• 2014: Article chosen to be on the cover of a special issue of PCCP:
• 2013: Invited talk at Optical Probes:
• 2013: Seminar at Sheffield University:
• 2013: Article selected for Editor's choice: The advisory board of Energy & Environmental Science has selected our recent paper on charge separation in cascaded energy heterojunctions as Editor's choice.
• 2012: Invited article in Energy & Environmental Science:
• 2012: Invited short talk at ICSM, Atlanta GA:
• 2012: Invited talk at the International conference on the simulation of organic electronics and photovoltaics: Dr Groves has been invited to give a presentation in Valencia on the modelling of nanoscale organic devices
• 2012: Invited talk at 6th winterschool on Organic Electronics (HYMEC): Dr Groves has been invited to give a presentation on the modelling of nanoscale organic devices
• 2011: Seminar at Cambridge University:
• 2011: Invited talk and session chair at international JUDO-PV conference: Dr Groves has been invited to give a talk at Oxford University on the effects of surface wetting layers on organic photovoltaic device performance.

Chapter in book

• Jones, B. A., Al Moubayed, N., Zeze, D. A., & Groves, C. (2022). In-Materio Extreme Learning Machines. In G. Rudolph, A. V. Kononova, H. Aguirre, P. Kerschke, G. Ochoa, & T. Tušar (Eds.), Parallel Problem Solving from Nature – PPSN XVII (505-519). Springer Verlag. https://doi.org/10.1007/978-3-031-14714-2_35
• Vissol-Gaudin, E., Kotsialos, A., Massey, M., Zeze, D., Pearson, C., Groves, C., & Petty, M. (2016). Unconventional Computation and Natural Computation. In M. Amos, & A. Condon (Eds.), . https://doi.org/10.1007/978-3-319-41312-9
• Groves, C. (2014). Modeling OPV Performance - Morphology, Transport and Recombination. In B. Rand, & H. Richter (Eds.), Organic Solar Cells - Fundamentals, Devices and Upsacling. Pan Stanford. https://doi.org/10.4032/9789814463669
• Groves, C., & Greenham, N. (2014). Chapter 467 Monte Carlo Simulations of Organic Photovoltaics. In D. Beljonne, & J. Cornil (Eds.), Computational Photovoltaics. Springer Berlin Heidelberg. https://doi.org/10.1007/128_2013_467

Conference Paper

• Jones, B. A., Al Moubayed, N., Zeze, D. A., & Groves, C. (2022). Enhanced Methods for Evolution in-Materio Processors. . https://doi.org/10.1109/icrc53822.2021.00026
• Vissol-Gaudin, E., Kotsialos, A., Groves, C., Pearson, C., Zeze, D., Petty, M., & Al-moubayed, N. (2018). Confidence Measures for Carbon-Nanotube / Liquid Crystals Classifiers. In 2018 IEEE Congress on Evolutionary Computation (CEC) : 8-13 July 2018, Rio de Janeiro, Brazil ; proceedings (646-653). https://doi.org/10.1109/cec.2018.8477779
• Vissol-Gaudin, E., Kotsialos, A., Massey, M., Zeze, D., Pearson, C., Groves, C., & Petty, M. (2016). Training a Carbon-Nanotube/Liquid Crystal Data Classifier Using Evolutionary Algorithms. In M. Amos, & A. Condon (Eds.), Unconventional computation and natural computation : 15th International Conference, UCNC 2016, Manchester, UK, July 11-15, 2016 ; proceedings (130-141). https://doi.org/10.1007/978-3-319-41312-9_11

Journal Article

• Pope, T., Giret, Y., Fsadni, M., Docampo, P., Groves, C., & Penfold, T. J. (2023). Modelling the effect of dipole ordering on charge-carrier mobility in organic semiconductors. Organic Electronics, 115, Article 106760. https://doi.org/10.1016/j.orgel.2023.106760
• Williams, C., Michaels, H., Crossland, A. F., Zhang, Z., Shirshova, N., MacKenzie, R. C. I., …Groves, C. (2023). Decarbonising electrical grids using photovoltaics with enhanced capacity factors. Energy & Environmental Science, 16(10), 4650-4659. https://doi.org/10.1039/d3ee00633f
• Jones, B. A., Chouard, J. L., Branco, B. C., Vissol-Gaudin, E. G., Pearson, C., Petty, M. C., …Groves, C. (2022). Towards Intelligently Designed Evolvable Processors. Evolutionary Computation, 30(4), 479-501. https://doi.org/10.1162/evco_a_00309
• Littlefair, M. T. M., Simdyankin, S., Turvey, S., Groves, C., & Horsfall, A. B. (2022). Single event burnout sensitivity of SiC and Si. Semiconductor Science and Technology, 37(6), Article 065013. https://doi.org/10.1088/1361-6641/ac668c
• Nieto-Díaz, B. A., Crossland, A. F., & Groves, C. (2022). How does location determine the economic competitiveness of grid-scale Emerging PV?. Energy Technology, 10(5), Article 2101012. https://doi.org/10.1002/ente.202101012
• Palacios-Gómez, D. A., Huerta Flores, A. M., MacKenzie, R. C., Pearson, C., Alanazi, F., Mendis, B. G., & Groves, C. (2021). Differing Impacts of Blended Fullerene Acceptors on the Performance of Ternary Organic Solar Cells. ACS Applied Energy Materials, 4(10), 10867-10876. https://doi.org/10.1021/acsaem.1c01833
• Nieto-Díaz, B. A., Crossland, A. F., & Groves, C. (2021). A levelized cost of energy approach to select and optimise emerging PV technologies: The relative impact of degradation, cost and initial efficiency. Applied Energy, 299, Article 117302. https://doi.org/10.1016/j.apenergy.2021.117302
• Nieto-Díaz, B. A., Pearson, C., Al-Busaidi, Z., Bowen, L., Petty, M. C., & Groves, C. (2021). Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination. Solar Energy Materials and Solar Cells, 219, Article 110765. https://doi.org/10.1016/j.solmat.2020.110765
• Vissol-Gaudin, E., Pearson, C., Groves, C., Zeze, D. A., Cantiello, H. F., Cantero, M. D. R., & Petty, M. C. (2021). Electrical behaviour and evolutionary computation in thin films of bovine brain microtubules. Scientific Reports, 11, Article 10776. https://doi.org/10.1038/s41598-021-90260-0
• Crossland, A., Scoles, K., Wang, A., Groves, C., & Sun, S. (2020). Assessment of Electricity Decarbonization Scenarios for New Zealand and Great Britain using a Plant Dispatch and Electrical Energy Storage Modelling Framework. Energies, 13(11), Article 2799. https://doi.org/10.3390/en13112799
• Nam, S., Chaudhry, M. U., Tetzner, K., Pearson, C., Groves, C., Petty, M. C., …Bradley, D. D. (2019). Efficient and Stable Solution-Processed Organic Light Emitting Transistors using a High-k Dielectric. ACS Photonics, 6(12), 3159-3165. https://doi.org/10.1021/acsphotonics.9b01265
• Chaudhry, M. U., Tetzner, K., Lin, Y., Nam, S., Pearson, C., Groves, C., …Bradley, D. D. (2018). Low-Voltage Solution-Processed Hybrid Light-Emitting Transistors. ACS Applied Materials and Interfaces, 10(22), 18445-18449. https://doi.org/10.1021/acsami.8b06031
• Groves, C. (2017). Simulating charge transport in organic semiconductors and devices: a review. Reports on Progress in Physics, 80(2), Article 026502. https://doi.org/10.1088/1361-6633/80/2/026502
• AL-Busaidi, Z., Pearson, C., Groves, C., & Petty, M. (2016). Enhanced Lifetime of organic photovoltaic diodes utilizing a ternary blend including an insulating polymer. Solar Energy Materials and Solar Cells, 160, 101-106. https://doi.org/10.1016/j.solmat.2016.10.018
• Massey, M., Kotsialos, A., Volpati, D., Vissol-Gaudin, E., Pearson, C., Bowen, L., …Petty, M. (2016). Evolution of Electronic Circuits using Carbon Nanotube Composites. Scientific Reports, 6, Article 32197. https://doi.org/10.1038/srep32197
• Jones, M., Huang, D., Chakrabarti, B., & Groves, C. (2016). Relating Molecular Morphology to Charge Mobility in Semicrystalline Conjugated Polymers. Journal of Physical Chemistry C, 120(8), 4240-4250. https://doi.org/10.1021/acs.jpcc.5b11511
• Kaku, K., Williams, A., Mendis, B., & Groves, C. (2015). Examining Charge Transport Networks in Organic Bulk Heterojunction Photovoltaic Diodes using 1/f Noise Spectroscopy. Journal of Materials Chemistry C Materials for optical and electronic devices, 3(23), 6077-6085. https://doi.org/10.1039/c5tc00348b
• Jones, M., Dyer, R., Clarke, N., & Groves, C. (2014). Are hot charge transfer states the primary cause of efficient free-charge generation in polymer:fullerene organic photovoltaic devices? A kinetic Monte Carlo study. Physical Chemistry Chemical Physics, 16(38), 20310-20320. https://doi.org/10.1039/c4cp01626b
• Williams, A., Farrar, P., Gallant, A., Atkinson, D., & Groves, C. (2014). Characterisation of Charge Conduction Networks in Poly(3-hexylthiophene)/Polystyrene Blends using Noise Spectroscopy. Journal of Materials Chemistry C Materials for optical and electronic devices, 2(9), 1742-1748. https://doi.org/10.1039/c3tc31849d
• Jones, L., Chakrabarti, B., & Groves, C. (2014). Monte Carlo Simulation of Geminate Pair Recombination Dynamics in Organic Photovoltaic Devices: Multi-Exponential, Field-Dependent Kinetics and Its Interpretation. Journal of Physical Chemistry C, 118(1), 85-91. https://doi.org/10.1021/jp408063f
• Groves, C. (2013). Developing understanding of organic photovoltaic devices: kinetic Monte Carlo models of geminate and non-geminate recombination, charge transport and charge extraction. Energy & Environmental Science, 6(11), 3202-3217. https://doi.org/10.1039/c3ee41621f
• Mendis, B. G., Bishop, S. J., Groves, C., Szablewski, M., Berlie, A., & Halliday, D. P. (2013). Plasmon-loss imaging of polymer-methanofullerene bulk heterojunction solar cells. Applied Physics Letters, 102(25), Article 253301. https://doi.org/10.1063/1.4812485
• Groves, C. (2013). Organic light-emitting diodes: bright design. Nature Materials, 12, 597-598. https://doi.org/10.1038/nmat3688
• Groves, C. (2013). Suppression of geminate charge recombination in organic photovoltaic devices with a cascaded energy heterojunction. Energy & Environmental Science, 6(5), 1546-1551. https://doi.org/10.1039/c3ee24455e
• Luria, J., Hoepker, N., Bruce, R., Jacobs, A., Groves, C., & Marohn, J. (2012). Spectroscopic Imaging of Photopotentials and Photoinduced Potential Fluctuations in a Bulk Heterojunction Solar Cell Film. ACS Nano, 6(11), 9392-9401. https://doi.org/10.1021/nn300941f
• Lyons, B., Clarke, N., & Groves, C. (2012). The relative importance of domain size, domain purity and domain interfaces to the performance of bulk-heterojunction organic photovoltaics. Energy & Environmental Science, 5(6), 7657-7663. https://doi.org/10.1039/c2ee21327c
• Lyons, B., Clarke, N., & Groves, C. (2011). The Quantitative Effect of Surface Wetting Layers on the Performance of Organic Bulk Heterojunction Photovoltaic Devices. Journal of Physical Chemistry C, 115(45), https://doi.org/10.1021/jp2078709
• Yan, H., Swaraj, S., Wang, C., Hwang, I., Greenham, N., Groves, C., …McNeill, C. (2010). Influence of annealing and interfacial roughness on the performance of bilayer donor/acceptor polymer photovoltaic devices. Advanced Functional Materials, 20(24), 4329-4337. https://doi.org/10.1002/adfm.201001292
• Groves, C., Kimber, R., & Walker, A. (2010). Simulation of loss mechanisms in organic solar cells: A description of the mesoscopic Monte Carlo technique and an evaluation of the first reaction method. The Journal of Chemical Physics, 133(14), Article 144110. https://doi.org/10.1063/1.3483603
• Giridharagopal, R., Shao, G., Groves, C., & Ginger, D. (2010). New SPM techniques for analyzing OPV materials. Materials Today, 13(9), 50-56. https://doi.org/10.1016/s1369-7021%2810%2970165-6
• Groves, C., Blakelsey, J., & Greenham, N. (2010). The effect of charge trapping on geminate recombination and polymer solar cell performance. Nano Letters, 10(3), 1063-1069. https://doi.org/10.1021/nl100080r
• Groves, C., Reid, O., & Ginger, D. (2010). Heterogeneity in Polymer Solar Cells: Local Morphology and Performance in Organic Photovoltaics Studied with Scanning Probe Microscopy. Accounts of Chemical Research, 43(5), 612-620. https://doi.org/10.1021/ar900231q
• Groves, C., Koster, L., & Greenham, N. (2009). The effect of morphology upon mobility: Implications for bulk heterojunction solar cells with nonuniform blend morphology. Journal of Applied Physics, 105(9), https://doi.org/10.1063/1.3117493
• Zaumseil, J., Groves, C., Winfield, J., Greenham, N., & Sirringhaus, H. (2008). Electron-Hole Recombination in Uniaxially Aligned Semiconducting Polymers. Advanced Functional Materials, 18(22), 3630-3637. https://doi.org/10.1002/adfm.200800863
• Petrozza, A., Groves, C., & Snaith, H. (2008). Electron transport and recombination in dye-sensitized mesoporous TiO2 probed by photoinduced charge-conductivity modulation spectroscopy with Monte Carlo modeling. Journal of the American Chemical Society, 130(39), 12912-12920
• Groves, C., & Greenham, N. (2008). Bimolecular recombination in polymer electronic devices. Physical review B, 78(15), Article 155205. https://doi.org/10.1103/physrevb.78.155205
• Groves, C., Marsh, R., & Greenham, N. (2008). Monte Carlo modeling of geminate recombination in polymer-polymer photovoltaic devices. The Journal of Chemical Physics, 129(11), Article 114903. https://doi.org/10.1063/1.2977992
• McNeill, C., Westenhoff, S., Groves, C., Friend, R., & Greenham, N. (2007). Influence of nanoscale phase separation on the charge generation dynamics and photovoltaic performance of conjugated polymer blends: Balancing charge generation and separation. Journal of Physical Chemistry C, 111(51), 19153-19160
• Groves, C., & David, J. (2007). Effects of ionization velocity and dead space on avalanche photodiode bit error rate. IEEE Transactions on Communications, 55(11), 2152-2158
• Aivaliotis, P., Vukmirovic, N., Zibik, E., Cockburn, J., Indjin, D., Harrison, P., …Wilson, L. (2007). Stark shift of the spectral response in quantum dots-in-a-well infrared photodetectors. Journal of Physics D: Applied Physics, 40(18), 5537-5540
• Marsh, R., Groves, C., & Greenham, N. (2007). A microscopic model for the behavior of nanostructured organic photovoltaic devices. Journal of Applied Physics, 101(8), Article 083509. https://doi.org/10.1063/1.2718865
• Groves, C., Tan, C., David, J., Rees, G., & Hayat, M. (2005). Exponential time response in analogue and Geiger mode avalanche photodiodes. IEEE Transactions on Electron Devices, 52(7), 1527-1534
• Groves, C., Chia, C., Tozer, R., David, J., & Rees, G. (2005). Avalanche noise characteristics of single AlxGa1-xAs(0.3 < x < 0.6)-GaAs heterojunction APDs. IEEE Journal of Quantum Electronics, 41(1), 70-75
• Groves, C., Harrison, C., David, J., & Rees, G. (2004). Temperature dependence of breakdown voltage in AlxGa1-xAs. Journal of Applied Physics, 96(9), 5017-5019
• Groves, C., David, J., Rees, G., & Ong, D. (2004). Modeling of avalanche multiplication and noise in heterojunction avalanche photodiodes. Journal of Applied Physics, 95(11), 6245-6251
• Groves, C., Ghin, R., David, J., & Rees, G. (2003). Temperature dependence of impact ionization in GaAs. IEEE Transactions on Electron Devices, 50(10), 2027-2031
• Groves, C., David, J., & Rees, G. (2003). The effect of ionization threshold softness on the temperature dependence of the impact ionization coefficient. Semiconductor Science and Technology, 18(7), 689-692

Other (Print)

• Giridharagopal, R., Shao, G., Groves, C., & Ginger, D. (2010). New scanning probe microscopy techniques for analyzing organic photovoltaic materials and devices