具有高活性(001)晶面的Cr-TiO2微球的制备及可见光催化性能

doi:10.7503/cjcu20140599

高等学校化学学报 ›› 2015, Vol. 36 ›› Issue (2): 355.doi: 10.7503/cjcu20140599

具有高活性(001)晶面的Cr-TiO₂微球的制备及可见光催化性能

袁霞, 高碧芬(), 万建风, 林碧洲, 陈亦琳

华侨大学材料科学与工程学院, 厦门 361021

收稿日期:2014-06-30 出版日期:2015-02-10 发布日期:2015-01-22
作者简介:联系人简介: 高碧芬, 女, 博士, 副教授, 主要从事新型催化材料方面的研究. E-mail: bfgao@hqu.edu.cn
基金资助:
国家自然科学基金(批准号: 21103054, 21003055)、福建省自然科学基金(批准号: 2012J05024)和华侨大学中青年教师科研提升资助计划(批准号: ZQN-PY206)资助

Preparation and Visible-light Photocatalytic Activity of Cr-TiO₂ Microspheres with Reactive (001) Facet^†

YUAN Xia, GAO Bifen^*(), WAN Jianfeng, LIN Bizhou, CHEN Yilin

College of Materials Science & Engineering, Huaqiao University, Xiamen 361021, China

Received:2014-06-30 Online:2015-02-10 Published:2015-01-22
Contact: GAO Bifen E-mail:bfgao@hqu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(Nos.21103054, 21003055), the Natural Science Foundation of Fujian Province of China(No.2012J05024), and the Promotion Program for Young and Middle-aged Teachers in Science and Technology Research of Huaqiao University, China(No ZQN-PY206)

摘要/Abstract

摘要：

采用一步水热法制备了具有高裸露率(001)晶面的锐钛矿相Cr掺杂TiO₂(Cr-TiO₂)微球, 利用场发射扫描电子显微镜(FESEM)、透射电子显微镜(TEM)、 X射线衍射仪(XRD)和X射线光电子能谱仪(XPS)等对样品进行了表征. 结果表明, 掺杂的Cr元素以Cr³⁺离子和CrO₃团簇2种形式存在, Cr³⁺离子进入TiO₂晶格, 形成Cr³⁺→Ti⁴⁺电荷转移跃迁, Cr-TiO₂在可见光区具有强烈吸收. 少量的Cr掺杂有利于形成平整的高活性(001)晶面. 以可见光降解酸性红染料作为探针反应研究了Cr-TiO₂的催化活性. 结果表明, 具有(001)晶面的Cr-TiO₂的催化效率明显优于普通的Cr-TiO₂.

关键词: (001)晶面, 铬掺杂二氧化钛, 多相光催化, 水热合成

Abstract:

Cr-doped TiO₂(Cr-TiO₂) microspheres with a high percentage of exposed (001) facet were prepared by a one-step hydrothermal treatment. The morphology, crystal structure and photo-absorption property of the obtained samples were characterized by field emission scanning electron microscopy(FESEM), transmission electron microscopy(TEM), X-ray diffraction(XRD) and X-ray photoelectron spectroscopy(XPS), etc. The results demonstrated that Cr³⁺ ion and CrO₃ cluster coexisted in the catalysts. Cr³⁺ was incorporated into the crystal lattice of anatase TiO₂, which resulted in the Cr³⁺→Ti⁴⁺ charge transfer so that Cr-TiO₂ had strong absorption in the visible region. The corrosive effect of generated HF was weakened by doping small amount of Cr, which benefited for the formation of smooth exposed (001) facets in the Cr-TiO₂ samples. The visible-light-driven photocatalytic properties of the samples were studied by the degradation of Acid Red 88 dye. The Cr-TiO₂ microsphere with high exposure of (001) facet exhibited much higher efficiency than the traditional Cr-TiO₂ without exposed (001) facet. Such doped TiO₂ catalysts with definite surface micro-structure will be helpful for preparing TiO₂-based photocatalysts suitable for practical applications.

Key words: (001) Facet, Cr-doped TiO2, Heterogeneous photocatalysis, Hydrothermal synthesis

中图分类号:

O644

TrendMD:

袁霞, 高碧芬, 万建风, 林碧洲, 陈亦琳. 具有高活性(001)晶面的Cr-TiO₂微球的制备及可见光催化性能. 高等学校化学学报, 2015, 36(2): 355.

YUAN Xia, GAO Bifen, WAN Jianfeng, LIN Bizhou, CHEN Yilin. Preparation and Visible-light Photocatalytic Activity of Cr-TiO₂ Microspheres with Reactive (001) Facet^†. Chem. J. Chinese Universities, 2015, 36(2): 355.

图/表 5

Fig.1 SEM(A—E) and TEM(F) images of the Cr-TiO2 samples (A) Pure TiO2; (B) 0.5%Cr-TiO2; (C) 1%Cr-TiO2; (D, F) 2%Cr-TiO2; (E) 5%Cr-TiO2; insets in (F) are HRTEM image(down) and SAED pattern(up) of the nanoflake on the surface of Cr-TiO2 microspheres.

Fig.2 XRD patterns of TiO2 and Cr-TiO2(A) and the enlarged patterns of the (101) diffraction peak(B) a. Pure TiO2; b. 0.5%Cr-TiO2; c. 1%Cr-TiO2; d. 2%Cr-TiO2; e. 5%Cr-TiO2.

Fig.3 XPS spectra of Ti2p(A) and Cr2p(B) a. 1%Cr-TiO2; b. 2%Cr-TiO2; c. 5%Cr-TiO2; d. TiO2.

Fig.4 UV-Vis diffuse reflectance spectra of TiO2 and Cr-TiO a. Pure TiO2; b. 0.5%Cr-TiO2; c. 1%Cr-TiO2; d. 2%Cr-TiO2; e. 5%Cr-TiO2.

Fig.5 Photodegradation of Acid Red dye(A) and specific photicatalytic activity of the 2%Cr-TiO2 microsphere with high exposure of (001) facet(RF=4) and the traditional 2%Cr-TiO2 without exposed (001) facet(RF=0)(B) (A) a. BiVO4; b. 0.5%Cr-TiO2; c. 1%Cr-TiO2; d. 2%Cr-TiO2; e. 5%Cr-TiO2.

参考文献 24

[1]	Li C. X., Han L. J., Liu R. J., Li H. H., Zhang S. J., Zhang G. J., J. Mater. Chem., 2012, 22, 23815—23820
[2]	Wang Y. J., Li L. P., Zheng J., Huang X. S., Li G. S., Chem. Res. Chinese Universities, 2013, 29(3), 556—562
[3]	Yu X. L., Zhang G. J., Cao H. B., An X. Q., Wang Y., Shu Z. J., An X. L., Hua F., New J. Chem., 2012, 36, 2593—2598
[4]	Zhang Z. F., Liu H. R., Zhang H., Liu X. G., Jia H. S., Xu B. S., Chem. J. Chinese Universities, 2013, 34(12), 2827—2833
	(张振飞, 刘海瑞, 张华, 刘旭光, 贾虎生, 许并社. 高等学校化学学报, 2013, 34(12), 2827—2833)
[5]	Li S. W., Yu X. L., Zhang G. J., Ma Y., Yao J. N., Keita B., Louis N., Zhao H., J. Mater. Chem., 2011, 21, 2282—2287
[6]	Wang H. X., Jiang D., Wu D., Li D. B., Sun Y. H., Acta Chim. Sinica, 2012, 70, 2412—2418
	(王会香, 姜东, 吴东, 李德宝, 孙予罕. 化学学报, 2012, 70, 2412—2418)
[7]	Hong Z. H., Shen B., Chen Y. L., Lin B. Z., Gao B. F., J. Mater. Chem. A, 2013, 1, 11754—11761
[8]	He H. Y., Li W. L., Xie Z. G, Jing X. B., Huang Y. B., Chem. Res.Chinese Universities, 2014, 30(2), 310—314
[9]	Liu W. M., Chem. Res.Chinese Universities, 2013, 29(2), 314—318
[10]	Liu S. W., Yu J. G., Jaroniec M., J. Am. Chem. Soc., 2010, 132, 11914—11916
[11]	Gao B. F., Luo X. Z., Fu H., Chen Y. L., Lin B. Z., Gu Z. J., J. Nanosci. Nanotechnol., 2014, 14(5), 3969—3975
[12]	Chen J.S., Tan Y. L., Li C. M., Cheah Y. L., Luan D. Y., Madhavi S., Boey F. Y. C., Archer L. A., Lou X. W., J. Am. Chem. Soc., 2010, 132, 6124—6130
[13]	Wu Q., Liu M., Wu Z., Li Y., Piao L., J. Phys. Chem. C, 2012, 116(51), 26800—26804
[14]	Miao J. W., Liu B., RSC Adv., 2013, 3, 1222—1225
[15]	Yang H. G., Sun C. H., Qiao S. Z., Zou J., Liu G., Smith S. C., Cheng H. M., Lu G. Q., Nature, 2008, 453, 638—642
[16]	Yang H. G., Liu G., Qiao S. Z., Sun C. H., Jin Y. G., Smith S. C., J. Am. Chem. Soc., 2009, 131, 4078—4083
[17]	Dinh C. T., Nguyen T. D., Kleitz F., Do T. O., ACS Nano, 2009, 3(11), 3737—3743
[18]	Liu G., Yang H. G., Wang X. W., Cheng L. N., Pan J., Lu G. Q., Cheng H. M., J. Am. Chem. Soc., 2009, 131(36), 12868—12869
[19]	Yu J. G., Dai G. P., Xiang Q. J., Jaroniec M., J. Mater. Chem., 2011, 21, 1049—1057
[20]	Tang D., Zhang H. C., Huang H., Liu R. H., Han Y. Z., Liu Y., Tong C. Y., Kang Z. H., Dalton Trans., 2013, 42, 6285—6289
[21]	Kato H., Kudo A., J. Phys. Chem. B, 2002, 106, 5029—5034
[22]	Lópeza R., Gómez R., Oros-Ruiz S., Catal. Today, 2011, 166, 159—165
[23]	Zhu J. F., Deng Z. G., Chen F., Zhang J. L., Chen H. J., Anpo M., Huang J. Z., Zhang L. Z., Appl. Catal. B, 2006, 62, 329—335
[24]	Wu J. M., Tang M. L., Nanoscale, 2011, 3, 3915—3922
	(Ed.: S, Z, M)

具有高活性(001)晶面的Cr-TiO₂微球的制备及可见光催化性能

Preparation and Visible-light Photocatalytic Activity of Cr-TiO₂ Microspheres with Reactive (001) Facet^†

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