https://nova.newcastle.edu.au/vital/access/ /manager/Index en-au 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:50320 Tue 18 Jul 2023 14:51:03 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:54657 Tue 09 Jul 2024 14:38:37 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:39783 Thu 30 Mar 2023 18:05:17 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:46189 Mon 14 Nov 2022 10:48:06 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:36540 Mon 01 Jun 2020 12:07:38 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:44274 2Bi₂Nb₂TiO₁₂ nanosheets, which were prepared by a mineralizer‐assisted soft‐chemical method. Introduction of OVs on the surface of Sr₂Bi₂Nb₂TiO₁₂ extends photoresponse to cover the whole visible region and also tremendously promotes separation of photoinduced charge carriers. Adsorption and activation of CO₂ molecules on the surface of the catalyst are greatly enhanced. In the gas‐solid reaction system without co‐catalysts or sacrificial agents, OVs‐abundant Sr₂Bi₂Nb₂TiO₁₂ nanosheets show outstanding CO₂ photoreduction activity, producing CO with a rate of 17.11 μmol g⁻¹ h⁻¹, about 58 times higher than that of the bulk counterpart, surpassing most previously reported state‐of‐the‐art photocatalysts. Our study provides a three‐in‐one integrated solution to advance the performance of photocatalysts for solar‐energy conversion and generation of renewable energy.]]> Fri 23 Jun 2023 09:56:26 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:40091 2 photoreduction by coupling macroscopic spontaneous polarization and surface oxygen vacancies (OVs) of BiOIO₃ single crystals is reported. The oriented growth of BiOIO₃ single-crystal nanostrips along the [001] direction, ensuing substantial well-aligned IO₃ polar units, renders a large enhancement for the macroscopic polarization electric field, which is capable of driving the rapid separation and migration of charges from bulk to surface. Meanwhile the introduction of surface OVs establishes a local electric field for charge migration to catalytic sites on the surface of BiOIO₃ nanostrips. Highly polarized BiOIO₃ nanostrips with ample OVs demonstrate outstanding CO₂ reduction activity for CO production with a rate of 17.33 μmol g^-1 h^-1 (approximately ten times enhancement) without any sacrificial agents or cocatalysts, being one of the best CO₂ reduction photocatalysts in the gas-solid system reported so far. This work provides an integrated solution to governing charge movement behavior on the basis of collaborative polarization from bulk and surface.]]> Fri 22 Jul 2022 13:41:21 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:41820 Fri 12 Aug 2022 12:52:30 AEST ]]>