https://ogma.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:17011 Wed 11 Apr 2018 16:14:18 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:17001 Wed 11 Apr 2018 15:46:34 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:4356 Wed 11 Apr 2018 14:38:23 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:15266 Wed 11 Apr 2018 14:36:21 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:15263 Wed 11 Apr 2018 13:51:03 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:17000 Wed 11 Apr 2018 13:47:38 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:15212 Wed 11 Apr 2018 13:07:36 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:3337 Wed 11 Apr 2018 13:01:56 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:17002 Wed 11 Apr 2018 12:45:09 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:43887 Tue 04 Oct 2022 13:52:34 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:11958 Sat 24 Mar 2018 08:09:41 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:20429 Sat 24 Mar 2018 08:03:23 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:4833 95%) implies that there is significant intermixing within the 85 nm structures, indicating that a hierarchy of phase separation exists even on the length scale of less than 100 nm. With annealing up to 160°, close to the Tg of the components, there is little change in the feature sizes observed by STXM,although an increase in variation of the composition is observed.With annealing above 160°C the imaged features begin to evolve in size,increasing to 225 nm in extent, alongside large changes in composition with annealing to 200°C. Comparing the evolution of morphology imaged by STXM with the change in photoluminescence quenching with annealing, we propose that phase separation first evolves via the evolution of relatively pure phases on the length scale of a few to tens of nanometres within the larger 85 nm structures. Once the length scale of compositional fluctuations exceeds 85 nm (for anneal temperatures above 160°C) the hierarchy of phase separation is lost and the subsequent morphological evolution is readily imaged by STXM.Applying the results of an exciton diffusion and quenching model, we find good agreement between the size of the domains measured by STXM (above 180°C) and the results of the model for an exciton diffusion length of 15 nm. The growth in domain size and towards purer structures has also been observed with resonant soft x-ray scattering.]]> Sat 24 Mar 2018 07:18:51 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:23036 Sat 24 Mar 2018 07:13:49 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:43928 xWO₃) is a promising alternative plasmonic material to nanoparticulate gold due to its strong plasmonic resonances in both the visible and near-infrared (NIR) regions. Additional benefits include its simple production either as a bulk or a nanoparticle material at a relatively low cost. In this work, plasmonic Na_xWO₃ nanoparticles were introduced and mixed into the nanoparticulate zinc oxide electron transport layer of a water processed poly(3-hexylthiophene):phenyl-C₆₁-butyric acid methyl ester (P3HT:PC₆₁BM) nanoparticle (NP) based organic photovoltaic device (NP-OPV). The power conversion efficiency of NP-OPV devices with Na_xWO₃NPs added was found to improve by around 35% compared to the control devices, attributed to improved light absorption, resulting in an enhanced short circuit current and fill factor.]]> Mon 29 Jan 2024 18:51:02 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:47356 Fri 13 Jan 2023 13:26:43 AEDT ]]>