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Materials Frontier No.180

Title:Redox-active Materials for CO2 Capture and Tuneable Optics
Speaker:Prof. Charl F J Faul, University of Bristol, UK. 
Venue:Room 500.Materials Building A
Inviter:Prof.Hongjing DU
Charl F. J. Faul is Professor of Materials Chemistry and Director of Graduate Recruitment for the School of Chemistry, University of Bristol, UK. He received his PhD from the University of Stellenbosch, South Africa, in 2000. After 4 years, first as post-doctoral researcher, and then as senior scientist at the Max Planck Institute of Colloids and Interfaces (Potsdam, Germany), he moved to Bristol in 2005. He has held visiting professorships at the Helsinki University of Technology (2006 – 2010), the Chinese Academy of Sciences (National Centre for Nanoscience and Technology,Beijing, 2012) and is Adjunct Professor at the Department of Chemistry, Tsinghua
University, Beijing, since November 2013.
He is co-Principal Investigator and member of the Management Board of the £12MEPSRC-funded centre for doctoral training, the Bristol Centre for Functional Nanomaterials (BCFN). As Director of Graduate Recruitment he is responsible for and has oversight of all graduate recruitment activities within the School of Chemistry.
Charl is a synthetic materials chemist with a multidisciplinary international researchgroup focussing on the design and synthesis of functional nanostructured materials.His activities range from fundamental to application-driven areas, where ionic selfassemblyand the design, synthesis and application of soft, electroactive nanomaterials are explored. Applications are actively pursued in the areas of energy and gas storage (CO2 capture, storage, conversion), and electroactive materials and devices (nanowire-based field-effect transistors, actuators for robotics, and 3Dprinted addressable photonic structures).
We have exploited this functional aniline-based platform to prepare an novel redox-active cationic surfactant, and investigated its supramolecular organisation into self-assembled nanowires in solution.5 Using the dopable nature of these electroactive tail groups, we can now actively tune their packing parameter, and thus the assembly of these novel electrostatic supra-amphiphiles in a reversible fashion. We are currently also exploiting density functional theory (DFT) calculations to provide detailed insight into the optoelectronic properties of our materials,6 and thus enabling further design of species with attractive properties and function.
1) C. F. J. Faul, Acc. Chem. Res. 2014, 47, 3428; 2) Z. C. Shao et al., Chem. Eur. J. 2011, 17, 12512;
3a) Y. Liao et al., Chem. Commun. 2014, 50, 8002; b) Y. Liao et al., Macromolecules 2016, 49,
6322; 4) Y. Hu et al., Adv. Opt. Mater., 2017, 5, 1600458; 5) O. A. Bell et al., J. Am. Chem. Soc.
2015, 137, 14288; 6) B. M. Mills et al., Chem. Eur. J. 2016, 22, 16950

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