Use of Ion Sputter Coating to Prepare the Gold Deposited TiO2 Nanofiber Photocatalyst and the Photocatalytic Degradation of Acetaldehyde

Acta Chimica Sinica ›› 2009, Vol. 67 ›› Issue (17): 1981-1986. Previous Articles Next Articles

Original Articles

真空离子溅射法制备TiO₂∶Au复合纳米纤维新型光催化剂及其降解乙醛性能研究

潘超*,a 顾忠泽b 董丽c

(a大连水产学院理学院大连 116023)
(b东南大学生物电子学国家重点实验室南京 210096)
(c大连民族学院理学院大连 116023)

投稿日期:2008-12-08 修回日期:2009-02-15 发布日期:2009-09-14
通讯作者: 潘超

Use of Ion Sputter Coating to Prepare the Gold Deposited TiO₂ Nanofiber Photocatalyst and the Photocatalytic Degradation of Acetaldehyde

Pan, Chao^*,a Gu, Zhongze^b Dong, Li^c

(^a College of Science, Dalian Fisheries University, Dalian 116023)
(^b State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096)
(^c College of Science, Dalian Nationalities University, Dalian 116023)

Received:2008-12-08 Revised:2009-02-15 Published:2009-09-14
Contact: Pan, Chao

Abstract

The Au-doped titania (TiO2∶Au) nanofibers were prepared by a combination of an electrospinning method and a sputtering technology, and characterized by scanning electron microscopy and X-ray photoelectron spectroscopy. The results show that the morphologies of Au deposited TiO2 nanofibers can be well controlled by the sputtering time. In addition, the photocatalytic properties of TiO2 nanofibers and TiO2∶Au nanofibers were investigated by degrading acetaldehyde under UV irradiation. The photodegradation of porous TiO2∶Au nanofibers exhibited the best photocatalytic efficiency, where 100% acetaldehyde could be decomposed after UV exposure for 70 min.

Key words: electrospinning, ion sputter coating, TiO2∶Au nanofibers, photodegradation

CLC Number:

O484. 1

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真空离子溅射法制备TiO₂∶Au复合纳米纤维新型光催化剂及其降解乙醛性能研究

Use of Ion Sputter Coating to Prepare the Gold Deposited TiO₂ Nanofiber Photocatalyst and the Photocatalytic Degradation of Acetaldehyde

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真空离子溅射法制备TiO2∶Au复合纳米纤维新型光催化剂及其 降解乙醛性能研究