n-型多孔Si/TiO2纳米线异质结构的制备及光电化学性能

doi:10.7503/cjcu20150378

高等学校化学学报 ›› 2015, Vol. 36 ›› Issue (12): 2485.doi: 10.7503/cjcu20150378

n-型多孔Si/TiO₂纳米线异质结构的制备及光电化学性能

寇艳强, 杨继凯(), 朱泠西, 于长明

长春理工大学理学院, 长春 130022

收稿日期:2015-05-12 出版日期:2015-12-10 发布日期:2015-11-19
作者简介:联系人简介: 杨继凯, 男, 博士, 讲师, 主要从事TiO₂光催化和光解水研究. E-mail:jikaiyang0625@163.com
基金资助:
国家自然科学基金(批准号: 51502023, 51502111)资助

Preparation and Photoelectrochemical Properties of n-Type Macroporous Si/TiO₂ Nanowire Heterostructure^†

KOU Yanqiang, YANG Jikai^*(), ZHU Lingxi, YU Changming

College of Science, Changchun University of Science and Technology, Changchun 130022, China

Received:2015-05-12 Online:2015-12-10 Published:2015-11-19
Contact: YANG Jikai E-mail:jikaiyang0625@163.com
Supported by:
† Supported by the National Natural Science Foundation of China(No.51502023)

摘要/Abstract

摘要：

采用光辅助电化学腐蚀法制备了n-型多孔硅衬底, 再采用水热法在其表面生长TiO₂纳米线制得了三维n-型多孔Si/TiO₂纳米线异质结构. 通过X射线衍射、扫描电子显微镜和X射线能量散射等表征证实了n-型多孔Si/TiO₂纳米线异质结构的形成. 紫外-可见漫反射光谱测试结果表明, n-型多孔硅与TiO₂纳米线的复合提高了紫外-可见波段的光吸收. 光电性能测试结果表明, 3个样品中n-型多孔Si/TiO₂纳米线异质结作为光电极的光电流最高, 这说明n-型多孔Si/TiO₂纳米线作为光电极具有更高的光电化学分解水性能.

关键词: 多孔硅, 光阳极, TiO2纳米线, 异质结构

Abstract:

n-Type macroporous silicon as substrate material was prepared by photo-assisted electrochemical etching. The TiO₂ nanowire cover layer on macroporous silicon was prepared by hydrothermal method. Thus, n-type macroporous Si/TiO₂ nanowire heterostructure was obtained. The formation of n-type macroporous Si/TiO₂ nanowire heterostructure was confirmed by X-ray diffraction(XRD), scanning electron microscope(SEM), energy dispersive X-ray detector(EDX). The UV-Vis diffusion reflectance spectra showed that n-type macroporous Si/TiO₂ nanowire heterostructure had the strongest absorption among the four tested samples. The photoelectric performance tests showed that n-type macroporous Si/TiO₂ nanowire heterostructure had higher photocurrent than the n-type macroporous Si and the n-type Si/TiO₂ nanowire. The results showed that n-type macroporous Si/TiO₂ nanowire heterostructure as photoanode improved the performance of photoelectrochemical water splitting.

Key words: Macroporous silicon, Photoanode, TiO2 nanowire, Heterostructure

中图分类号:

O645

TrendMD:

寇艳强, 杨继凯, 朱泠西, 于长明. n-型多孔Si/TiO₂纳米线异质结构的制备及光电化学性能. 高等学校化学学报, 2015, 36(12): 2485.

KOU Yanqiang, YANG Jikai, ZHU Lingxi, YU Changming. Preparation and Photoelectrochemical Properties of n-Type Macroporous Si/TiO₂ Nanowire Heterostructure^†. Chem. J. Chinese Universities, 2015, 36(12): 2485.

图/表 8

Fig.1 XRD patterns of n-type macroporous Si(a) and n-type macroporous Si/TiO2 nanowire(b)

Fig.2 Metallurgical microscopy images of n-type macroporous Si (A) Top-view; (B) cross-sectional view.

Fig.3 SEM images of n-type macroporous Si/TiO2 nanowire heterostructure with different magnifications

Fig.4 EDX spectrum of n-type macroporous Si/TiO2 nanowire heterostructure

Fig.5 Diffuse reflectance spectra of the materials Sample: a. n-type Si; b. n-type macroporous Si; c. n-type Si/TiO2; d. n-type macroporous Si/TiO2 nanowire heterostructure.

Fig.6 Determination of indirect interband transition energies of n-type macroporous Si(a) and n-type macroporous Si/TiO2 nanowire heterostructure(b)

Fig.7 Comparison of PEC performance of n-type macroporous Si(a,a'), n-type Si/TiO2 nanowire(b,b') and n-type macroporous Si/TiO2 nanowire heterostructure(c,c') in dark(a—c) and sunlight(a'—c')

Fig.8 Schematic band diagram of an n-type TiO2/n-type Si heterojunction and correspondingcharge transfer when applied as a PEC anode

参考文献 30

[1]	Fujishima A., Honda K., Nature, 1972, 238, 37—38
[2]	Gaya U. I., Abdullah A. H., J. Photochem. Photobiol. C: Photochem. Rev., 2008, 9, 1—12
[3]	Wang R., Hashimoto K., Fujishima A., Chikuni M., Kojima E., Kitamura A., Shimohigoshi M., Watanabe T., Nature, 1997, 388, 431—432
[4]	O’Neill S. A., Clark R. J. H., Parkin I. P., Elliott N., Mills A., Chem. Mater., 2003, 15, 46—50
[5]	Yu J., Zhang C. K., Zhuang J., Qin H. Y., He Q. G., Liang Q. M., Chem. Res. Chinese Universities,2015, 31(3), 412—417
[6]	Asahi R., Morikawa T., Ohwaki T., Aoki K., Taga Y., Science, 2001, 293, 269—271
[7]	Borgarello E., Kiwi J., Grätzel M., Pelizzetti E., Visca M., J. Am. Chem. Soc., 1982, 104, 2996—3002
[8]	Smith W., Zhao Y., J. Phys. Chem. C,2008, 112, 19635—19641
[9]	Li Y., Han X. B., Liang J. C., Leng X. N., Ye K. Q., Hou C. M., Yu K. F., Chem. Res. Chinese Universities,2015, 31(3), 332—336
[10]	Sa J., Fernandez-Garcia M., Anderson J.A., Catal. Commun., 2008, 9, 1991—1995
[11]	Yu X., Yu J., Cheng B., Jaroniec M., J. Phys. Chem. C,2009, 113, 17527—17535
[12]	Du J., Lai X., Yang N., Zhai J., Kisailus D., Su F., Wang D., Jiang L., ACS Nano,2011, 5, 590—596
[13]	Maggos T., Plassais A., Bartzis J. G., Environ. Monit. Assess,2008, 136(1—3), 35—44
[14]	Janene N., Hajjaji A., Ben Rabha M., EI Khakani M. A., Bessais B., Gaidi M., Phys. Status Solidi. C,2012, 9(10—11), 2141—2144
[15]	Trifonov T., Rodríguez A., Sensor. Actuat. A: Phys., 2008, 141(2), 662—669
[16]	Astrova E., Fedulova G., J. Micromech. Microeng,2009, 19, 095009
[17]	Barillaro G., Bruschi P., Physica Status Solidi(c), 2005, 2(9), 3198—3202
[18]	Barillaro G., Pieri F., J. Appl. Phys., 2005, 97(11), 116103—116105
[19]	Carneiro J. O., Teixeira V., Martins A. J., Vacuum, 2009, 83(10), 1303—1306
[20]	Su J.Y., Yu H.T., Quan X., ChenS., Wang H., Appl.Catal. B: Environ,2013, 138/139, 427—433
[21]	Lee W., Sung Y., Cryst. Growth Des., 2012, 12, 5792—5795
[22]	Hamedani H. A., Lee S. W., Al-Sammarraie A., Hesabi Z. R., Bhatti A., Alamgir F. M., Garmestani H., Khaleel M. A., ACS Appl. Mater. Interfaces,2013, 5, 9026—9033
[23]	Wu Q., Li D., Chen Z., Fu X., Photochem. Photobiol. Sci., 2006, 5, 653—655
[24]	Tank C. M., Sakhare Y. S., Kanhe N. S., Nawale A. B., Das A. K., Bhoraskar S. V., Mathe V. L., Solid State Sciences,2011, 13, 1500—1504
[25]	Yu H. T., Li X., Quan X., Chen S., Zhang Y., Environ. Sci. Technol., 2009, 43, 7849—7855
[26]	Hwang Y. J., Boukai A., Yang P., Nano Lett., 2009, 9(1), 410—415
[27]	Shi J., Hara Yukihiro, Sun C. L., Anderson Marc A., Wang X. D., Nano Letters,2011, 11, 3413—3419
[28]	Noh S. Y., Sun K., Choi C., Niu M., Yang M., Xu K., Jin S., Wang D., Nano Energy,2013, 2, 351—360
[29]	Qu Y., Zhong X., Li Y., Liao L., Huang Y., Duan X., J. Mater. Chem., 2010, 20, 3590—3594
[30]	Yu H. T., Chen S., Quan X., Zhao H. M., Zhang Y. B., Appl. Catal. B-Environ., 2009, 90, 242—248

n-型多孔Si/TiO₂纳米线异质结构的制备及光电化学性能

Preparation and Photoelectrochemical Properties of n-Type Macroporous Si/TiO₂ Nanowire Heterostructure^†

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

图/表 8

参考文献 30

相关文章 15

编辑推荐

Metrics

本文评价

[1]	龚妍熹, 王建兵, 柴歩瑜, 韩元春, 马云飞, 贾超敏. 钾掺杂g-C₃N₄薄膜光阳极的制备及光电催化氧化降解水中双氯芬酸钠性能[J]. 高等学校化学学报, 2022, 43(6): 20220005.
[2]	田润赛, 卢芊, 张洪滨, 张渤, 冯源源, 魏金香, 冯季军. 氮杂碳原位包覆Cu₂O/Co₃O₄@C异质结构复合材料的设计构筑及高效储锂性能[J]. 高等学校化学学报, 2021, 42(8): 2592.
[3]	苗笑梅, 毛克羽, 裴勇兵, 蒋剑雄, 颜悦, 吴连斌. 超疏水多孔硅的制备及表面稳定性[J]. 高等学校化学学报, 2020, 41(7): 1499.
[4]	孙连志, 赵圣哲, 高志伶, 程志强. Ag/ZnO纳米纤维的制备及光催化性能[J]. 高等学校化学学报, 2017, 38(6): 907.
[5]	于志辉, 刘丹丹, 寇艳娜, 夏定国. 铜包覆多孔硅基材料p-Si@Cu(x)的制备与性能[J]. 高等学校化学学报, 2017, 38(5): 837.
[6]	张钦库, 姚秉华, 鲁盼, 庞波, 熊敏. In₂TiO₅/In₂O₃异质结构的制备及光催化性能[J]. 高等学校化学学报, 2015, 36(9): 1794.
[7]	齐丰莲, 薛敏, 薛飞, 孟子晖, 邱丽莉, 徐志斌, 芦薇. 二维胶体晶体异质结构的制备及传感性[J]. 高等学校化学学报, 2015, 36(8): 1612.
[8]	徐曼, 段为杰, 焦世惠, 庞广生. Fe₃O₄/TiO₂纳米异质结构的制备及磁性[J]. 高等学校化学学报, 2014, 35(5): 917.
[9]	揣宏媛, 周德凤, 朱晓飞, 杨国程, 李朝辉. MoO₃/V₂O₅异质结构材料的静电纺丝法制备及光催化性能[J]. 高等学校化学学报, 2014, 35(5): 941.
[10]	刘阳, 季宏伟, 周德凤, 朱晓飞, 李朝辉. TiO₂/LaFeO₃微纳米纤维的可控制备及光催化性能[J]. 高等学校化学学报, 2014, 35(1): 19.
[11]	韦秋芳, 陈拥军. 一步法水热合成 TiO2纳米线及其光催化性能[J]. 高等学校化学学报, 2011, 32(11): 2483.
[12]	王雪松, 王凌凌, 王德军, 谢腾峰. n-Si/TiO₂/偶氮颜料微纳米尺度下的光生电荷转移性质[J]. 高等学校化学学报, 2010, 31(5): 858.
[13]	王凌凌杨文胜王德军谢腾峰. CdS/ZnO异质结构材料的光生电荷性质[J]. 高等学校化学学报, 2010, 31(12): 2316.
[14]	吕小毅, 庆格乐图, 向梅, 贾振红, 李锐, 钟福如, 李江伟, 张富春. 基于多孔硅Bragg反射镜的光学免疫检测方法[J]. 高等学校化学学报, 2009, 30(12): 2381.
[15]	郭志强, 陈峰, 邓怡, 万谦宏, 陈磊. 原子层沉积法制备巯丙基硅胶及其对溶液中钯(Ⅱ)离子的吸附行为[J]. 高等学校化学学报, 2009, 30(10): 2017.