Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/82696
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dc.contributor.author崔接武 Cui Jie-Wuen
dc.contributor.author陈忠 Chen Zhongen
dc.contributor.author张剑芳 Zhang Jian-Fangen
dc.contributor.author舒霞 Shu Xiaen
dc.contributor.author王岩 Wang Yanen
dc.contributor.author沈天阔 Shen Tian-Kuoen
dc.contributor.author吴玉程 Wu Yu-Chengen
dc.date.accessioned2018-11-29T08:05:58Zen
dc.date.accessioned2019-12-06T15:00:32Z-
dc.date.available2018-11-29T08:05:58Zen
dc.date.available2019-12-06T15:00:32Z-
dc.date.issued2014en
dc.identifier.citationZhang, J.-F., Wang, Y., Shen, T.-K., Shu, X., Cui, J.-W., Chen, Z., & Wu, Y.-C. 脉冲沉积制备Cu2O/TiO2纳米管异质结的可见光光催化性能 = Visible light photocatalytic performance of Cu2O/TiO2 nanotube heterojunction composites prepared by pulse deposition. 物理化学学报 Acta Physico-Chimica Sinica, 30(8), 1535-1542. doi: 10.3866/PKU.WHXB201405221en
dc.identifier.issn1000-6818en
dc.identifier.urihttps://hdl.handle.net/10356/82696-
dc.description.abstract在用阳极氧化法制备有序排列TiO2纳米管阵列薄膜的基础上, 引入脉冲沉积工艺,成功实现了均匀、弥散分布的Cu2O纳米颗粒修饰改性TiO2纳米管阵列, 形成Cu2O/TiO2 纳米管异质结复合材料. 利用场发射扫描电镜(FESEM)、场发射透射电镜(FETEM)、X射线衍射(XRD)、X射线光电子能谱(XPS)和紫外-可见漫反射光谱(UV-Vis DRS)对样品进行表征, 重点研究了Cu2O/TiO2 纳米管异质结的光电化学特性和对甲基橙(MO)的可见光催化降解性能. 结果表明, Cu2O纳米颗粒均匀附着在TiO2纳米管阵列的管口和中部位置, 所制备的Cu2O/TiO2 纳米管异质结具有高效的可见光光催化性能; 在浓度为0.01 mol∙L-1的CuSO4溶液中制得的Cu2O/TiO2纳米管异质结表现出最好的电化学特性和光催化性能; 另外, 对Cu2O纳米颗粒影响光催化活性的机理进行了 讨论. Highly ordered TiO2 nanotube arrays (TNAs) were fabricated by an electrochemical anodization process and Cu2O nanoparticles were subsequently deposited onto these TNAs via pulse deposition to form Cu2O/TiO2 nanotube heterojunction composite materials. Samples were characterized by field emission scanning electron microscopy (FESEM), field emission transmission electron microscopy (FETEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and UV-Vis diffusion reflection spectroscopy (DRS). The photocatalytic performances of the Cu2O/TiO2 composites were investigated by following the visible-light induced photocatalytic decomposition of methyl orange (MO). The results indicated that the inner surfaces and interfaces of the TNAs had been successfully modified with uniformly distributed Cu2O nanoparticles, and that these composites could effectively improve the visible light photocatalytic performance. The Cu2O/TiO2 nanotube composite obtained using 0.01 mol·L-1 CuSO4 solution exhibited the best photocurrent and photocatalytic performance. Based on the results obtained, a possible photocatalytic mechanism is also discussed.en
dc.format.extent8 p.en
dc.language.isozhen
dc.relation.ispartofseries物理化学学报 Acta Physico-Chimica Sinicaen
dc.rights© 2014 Editorial office of Acta Physico-Chimica Sinica. This paper was published in 物理化学学报Acta Physico-Chimica Sinica and is made available with permission of Editorial office of Acta Physico-Chimica Sinica. The published version is available at: [http://dx.doi.org/10.3866/PKU.WHXB201405221]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Engineering::Materialsen
dc.subject脉冲沉积 Pulse Depositionen
dc.subjectTiO2纳米管阵列 TiO2 Nanotube Arrayen
dc.title脉冲沉积制备Cu2O/TiO2纳米管异质结的可见光光催化性能 = Visible light photocatalytic performance of Cu2O/TiO2 nanotube heterojunction composites prepared by pulse depositionen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.3866/PKU.WHXB201405221en
dc.description.versionPublished versionen
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