Well-aligned TiO2 nanorod arrays （TNAs） were prepared on pretreated quartz substrates via hydrothermal method.The effect of the different preparation conditions on the growth morphologies of TNAs was systematically ...Well-aligned TiO2 nanorod arrays （TNAs） were prepared on pretreated quartz substrates via hydrothermal method.The effect of the different preparation conditions on the growth morphologies of TNAs was systematically investigated by X-ray diffraction （XRD） and field-emission scanning electron microscopy （FE-SEM）.The photocatalytic properties were tested by photodegradation of a methyl blue solution.It is demonstrated that the hydrothermal reaction conditions,such as precursor concentration,hydrothermal reaction temperature,and hydrothermal reaction times,can greatly affect the growth of TNAs.Controlling the preparation process,TNAs with 2 μm in length and 140-170 nm in diameter and well-aligned orientation have been successfully prepared.The photocatalytic experiment results indicate that TNAs have much better photocatalytic activity than TiO2 nanoparticles.展开更多
基金financially supported by the National Natural Science Foundation of China(Nos.52171240,81902273)the Postdoctoral Science Foundation of China(No.2021M691992)+1 种基金the Major Projects in Research and Development of Shanxi Province,China(Projects of International Cooperation,No.201803D421090)the Natural Science Foundation of Special Equipment Safety Supervision Inspection Institute of Jiangsu Province,China(No.KJ(Y)2020037)。
基金supported by the National Key Basic Research Program of China (973) (2011CBA00700)National High Technology Research and Development Program of China (863) (2011AA050527)National Natural Science Foundation of China (51172237, 61306082, 61306083)~~
基金supported by the National Natural Science Foundation of China (Nos. 50872011, 50672006, and 50402022)the National Basic Research Program of China (No. 2007CB613608)the New Cen-tury Excellent Talents Support Program of the Ministry of Education of China (NCET-07-0071 and NCET-08-0723)
文摘Well-aligned TiO2 nanorod arrays （TNAs） were prepared on pretreated quartz substrates via hydrothermal method.The effect of the different preparation conditions on the growth morphologies of TNAs was systematically investigated by X-ray diffraction （XRD） and field-emission scanning electron microscopy （FE-SEM）.The photocatalytic properties were tested by photodegradation of a methyl blue solution.It is demonstrated that the hydrothermal reaction conditions,such as precursor concentration,hydrothermal reaction temperature,and hydrothermal reaction times,can greatly affect the growth of TNAs.Controlling the preparation process,TNAs with 2 μm in length and 140-170 nm in diameter and well-aligned orientation have been successfully prepared.The photocatalytic experiment results indicate that TNAs have much better photocatalytic activity than TiO2 nanoparticles.
