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1篇 您的检索式：作者名="Nathan Skillen"

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		题名	作者	年代	出处	被引量
	1	Photocatalytic OH radical formation and quantification over TiO_2 P25:Producing a robust and optimised screening method显示文摘The development of photocatalytic technology has grown significantly since its initial report and as such,a number of screening methods have been developed to assess activity. In the field of environmental remediation, a crucial factor is the formation of highly oxidising species such as OH radicals. These radicals are often the primary driving force for the removal and breakdown of organic and inorganic contaminants. The quantification of such compounds is challenging due to the nature of the radical,however indirect methods which deploy a chemical probe to essentially capture the radical have been shown to be effective. As discussed in the work presented here, optimisation of such a method is fundamental to the efficiency of the method. A starting concentration range of coumarin from 50 mmol/L to 1000 mmol/L was used along with a catalyst loading of 0.01 g/L to 1 g/L Ti TiO_2 to identify that 250 mmol/L and 0.5 g/L Ti TiO_2 were the optimum conditions for production. Under these parameters a maximum production rate of 35.91 mmol/L(R_(max)= 0.4 mmol/L OH~* min-1) was achieved which yielded at photonic efficiency of 4.88 OH~*moles photon-1 under UV irradiation. The data set presented also highlighted the limitations which are associated with the method which included; rapid exhaustion of the probe molecule and process inhibition through UV light saturation. Identifying both the optimum conditions and the potential limitations of the process were concluded to be key for the efficient deployment of the photocatalytic screening method.	Caitlin Buck Nathan Skillen Jeanette Robertson Peter K.J.Robertson	2018	Chinese Chemical Letters2018，29，6：	1

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