8 results found
Westacott P, Candelise C, 2016, A Novel Geographical Information Systems Framework to Characterize Photovoltaic Deployment in the UK: Initial Evidence, Energies, Vol: 9, ISSN: 1996-1073
Globally, deployment of grid-connected photovoltaics (PV) has increased dramatically inrecent years. The UK has seen rapid uptake reaching over 500,000 installations totalling 2.8 GWpby 2013. PV can be installed in different market segments (domestic rooftop, non-domestic rooftopand ground-mounted “solar-farms”) covering a broad range of system sizes in a high number oflocations. It is important to gain detailed understanding of what grid-connected PV deploymentlooks like (e.g., how it deployed across different geographic areas and market segments), and identifythe major drivers behind it. This paper answers these questions by developing a novel geographicalinformation systems (GIS)-framework—the United Kingdom Photovoltaics Database (UKPVD)—toanalyze temporal and spatial PV deployment trends at high resolution across all market segments.Results show how PV deployment changed over time with the evolution of governmental PVpolicy support. Then spatial trends as function of local irradiation, rurality (as a proxy of buildingand population density) and building footprint (as a proxy for roof-area) are analyzed. We findin all market segments, PV deployment is strongly correlated with the level of policy support.Furthermore, all markets show a preference to deploy in rural areas and those with higher irradiation.Finally, local clustering of PV in all market segments was observed, revealing that PV is not spreadevenly across areas. This work reveals the complex nature of PV deployment, both spatially and bymarket segment, reinforcing the need capture this through mapping.
Schroeder BC, Nielsen CB, Westacott P, et al., 2015, Effects of alkyl chain positioning on conjugated polymer microstructure and field-effect mobilities, MRS Communications, Vol: 5, Pages: 435-440, ISSN: 2159-6867
Rowley P, Leicester P, Palmer D, et al., 2015, Multi-domain analysis of photovoltaic impacts via integrated spatial and probabilistic modelling, IET Renewable Power Generation, ISSN: 1752-1416
Westacott P, Candelise C, 2015, Assessing the electricity generation and grid feed-in of PV deployment within the UK, 10th Photovoltaic Science Application and Technology (PVSAT-10)
Treat ND, Westacott P, Stingelin N, 2015, The Power of Materials Science Tools for Gaining Insights into Organic Semiconductors, ANNUAL REVIEW OF MATERIALS RESEARCH, VOL 45, Vol: 45, Pages: 459-490, ISSN: 1531-7331
Dattani R, Michels R, Nedoma AJ, et al., 2014, Conformation and Interactions of Polystyrene and Fullerenes in Dilute to Semidilute Solutions, Macromolecules, Vol: 47, Pages: 6113-6120, ISSN: 0024-9297
We report the polymer conformation and fullereneaggregation in a ternary system containing polystyrene, C60, andtoluene measured by small angle neutron, static, and dynamic lightscattering. We investigate polymer concentrations across the diluteand semidilute regime for five polymer molecular weights (Mw =20 kg/mol to 1 Mg/mol), and fullerene concentrations below andabove its miscibility threshold in toluene. We find that the polymerradius of gyration (Rgpoly), hydrodynamic radius (Rh), and themixture correlation length (ξ) remain unchanged upon addition ofC60. The miscibility of C60 in toluene, however, decreases upon addition of polystyrene forming aggregates with a timedependentradius on the order of 100 nm, and this effect is amplified with increasing polymer Mw. Our findings are relevant tothe solution processing of organic photovoltaics, which generally require the effective solubilization of fullerene derivatives andpolymer pairs in this concentration range.
Koch FPV, Rivnay J, Foster S, et al., 2013, The impact of molecular weight on microstructure and charge transport in semicrystalline polymer Semiconductors poly(3-hexylthiophene), a model study, PROGRESS IN POLYMER SCIENCE, Vol: 38, Pages: 1978-1989, ISSN: 0079-6700
Westacott P, Tumbleston JR, Shoaee S, et al., 2013, On the role of intermixed phases in organic photovoltaic blends, Energy & Environmental Science, ISSN: 1754-5692
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