Preparation of (PtAuPt)HN/GC and Its Electrocatalytic Performance for Formic Acid Oxidation†

doi:10.7503/cjcu20140188

Abstract

Abstract:

Se@Pt@Au@Pt multilayer core-shell nanoparticles were synthesized in bulk using selenium colloids as template. After removing the selenium template by chemical method, Pt-Au-Pt hollow nanospheres[(PtAuPt-Se)_HN], which containing a small amount of residual selenium, were synthesized and used to modify GC electrode. After the residual selenium were removed from (PtAuPt-Se)_HN/GC by electrochemical method, (PtAuPt)_HN/GC was obtained. Scanning electron microscopy(SEM), transmission electron microscopy(TEM), energy dispersive X-ray spectrocopy(EDS) and X-ray diffraction(XRD) were used to characterize their surface morphologies, structures and compositions. The electrocatalytic oxidation activity of (PtAuPt)_HN/GC and Pt/C/GC were measured by using formic acid as a probe molecule. Cyclic voltammogram(CV) reveals that the current density of the formic acid oxidation on (PtAuPt)_HN/GC was four times as large as that of the latter when the potential was 0.35 V. The potential of (PtAuPt)_HN/GC was shifted negatively about 340 mV compared to the Pt/C/GC when the current density was 0.30 mA/cm². The chronoamperometry of (PtAuPt)_HN/GC and Pt/C/GC was 0.06 and 0.02 mA/cm² respectively after 600 s. The results show that the electrocatalytic activity of (PtAuPt)_HN for formic acid oxidation was significantly higher than that of Pt/C.

Key words: Pt-Au-Pt hollow nanospheres, Electrode, Electrocatalysis, Oxidation of formic acid

CLC Number:

O646

TrendMD:

SHANG Zhongjin, YAN Liangliang, RAO Guishi, XIONG Ting, TIAN Wei, LIN Xuan, ZHONG Qiling, REN Bin. Preparation of (PtAuPt)_HN/GC and Its Electrocatalytic Performance for Formic Acid Oxidation^†[J]. Chem. J. Chinese Universities, 2014, 35(12): 2688.

Figures/Tables 7

Fig.1 SEM(A) and TEM(B) images of(PtAuPt-Se)HN

Fig.2 EDS(A) and XRD pattern(B) of(PtAuPt-Se)HN

Fig.3 XPS of (PtAuPt-Se)HN

Fig.4 Peak fitting curves of Pt4f XPS in (PtAuPt-Se)HN

Fig.5 Cyclic voltammograms of (PtAuPt-Se)HN/GC in 0.5 mol/L H2SO4 with different cyclic times

Fig.6 Cyclic voltammograms of formic acid eletroca-talytic oxidation on(PtAuPt-Se)HN/GC(a), (PtAuPt-1/4Se)HN/GC(b), (PtAuPt)HN/GC(c) and Pt/C/GC(d) in 0.2 mol/L HCOOH+0.5 mol/L H2SO4

Fig.7 Chronoamperometry curve of formic acid eletrocatalytic oxidation on(PtAuPt-1/4Se) HN/GC(a), (PtAuPt)HN/GC(b) and Pt/C/GC(c) in 0.2 mol/L HCOOH+0.5 mol/L H2SO4 Step potential: 100 mV.

References 28

[1]	Sun G. Q., Yi B. L., Sci. China Chem., 2011, 41(12), 1775—1776
	(孙公权, 衣宝廉. 中国科学, 化学, 2011, 41(12), 1775—1776)
[2]	Hoster H., Iwasita T., Baumgartner H., Vielstich W., Phys. Chem. Chem. Phys., 2001, 3(3), 337—346
[3]	Hogarth M. P., Ralph T. R., Platinum Met. Rev., 2002, 46(4), 146—164
[4]	Capon A., Parsons R., J. Electroanal. Chem. Interf. Electrochem., 1973, 44, 1—7
[5]	Zhong Q. L., Wang X. C., Zhang L., Zhang X. H., Xiang J., Ren B., Tian Z. Q., Acta Chim. Sin., 2003, 61(12), 1960—1964
	(钟起玲, 王小聪, 章磊, 张小红, 向娟, 任斌, 田中群. 化学学报, 2003, 61(12), 1960—1964)
[6]	Rao G. S., Zhang L., Ke H. X., Zhong Q. L., Ren B., Tian Z. Q., Chem. J. Chinese Universities, 2009, 30(6), 1205—1209
	(饶贵仕, 章磊, 柯慧贤, 钟起玲, 任斌, 田中群. 高等学校化学学报, 2009, 30(6), 1205—1209)
[7]	Xi C. M., Shi Y., Zhao J. Y., Zhou Y. M., Tang Y. W., Chen Y., Lu T. H., Chem. J. Chinese Universities, 2011, 32(6), 1349—1353
	(奚彩明, 施毅, 赵佳越, 周益明, 唐亚文, 陈煜, 陆天虹. 高等学校化学学报, 2011, 32(6), 1349—1353)
[8]	Chen C. H., Liou W. J., Lin H. M., Wu S. H., Borodzinski A., Stobinski L., Kedzierzawski P., Fuel Cells, 2010, 10, 227—233
[9]	Jeong K. J., Miesse C. M., Choi J. H., Lee J., Han J., Yoon S. P., Nam S. W., Lim T. H., Lee T. G., J. Power Sources, 2007, 168, 119—125
[10]	Zhang S. S., Yuan X. Z., Hin J. N. C., Wang H. J., Friedrich K. A., Schulze M. J., J. Power Sources, 2009, 194, 588—600
[11]	Zhang L.D., Mou J. M., Nano Materials and Nano Structure, Science Press, Beijing, 2001, 60
	(张立德, 牟季美. 纳米材料和纳米结构. 北京: 科学出版社, 2001, 60)
[12]	Zhen K.J., Wang G. J., Li R. S., Basis of Catalysis, Science Press, Beijing, 2006, 155
	(甄开吉, 王国甲, 李荣生. 催化作用基础. 北京: 科学出版社, 2006, 155)
[13]	Li H. X., Luo S. H., Zhuang L., Dai W. L., Qiao M. G., J. Mol. Catal. A: Chem., 2003, 203, 267—275
[14]	Angerstein-Kozlowska H., MacDougall B., Conway B. E., J. Electrochem. Soc., 1973, 120, 756—766
[15]	Adzic R. R., Simic D. N., Despic A. R., J. Electroanal. Chem., 1975, 65, 587—601
[16]	Zhang H. X., Chao W., Wang J. Y., Zhai J. J., Cai W. B., J. Phys. Chem. C, 2010, 114, 6446—6451
[17]	Valden M., Lai X., Goodman D. W., Science,1998, 281(5383), 1647—1650
[18]	Larsson R., Andersson O., Electrochim. Acta, 2003, 48(23), 3481—3489
[19]	Jin Y. D., Shen Y., Dong S. J. , J. Phys. Chem. B,2004, 108(24), 8142—8147
[20]	Zeng J. H., Yang J., Lee J. Y., Zhou W., J. Phys. Chem. B, 2006, 110(48), 24606—24611
[21]	Huang J. S., Hou H. Q., You T. Y., Electrochem. Commun. , 2009, 11, 1281—1284
[22]	Zhang S., Shao Y. Y., Yin G. P., Lin Y. H., Angew. Chem. Int. Ed., 2010, 49, 2211—2214
[23]	Liang H. R., Zhang H. M., Hu J. S., Guo Y. G., Wan L. J., Bai C. L., Angew. Chem. Int. Ed., 2004, 43, 1540—1543
[24]	Yan L. L., Jiang Q. N., Liu D. Y., Zhong Y., Wen F. P., Deng X. C., Zhong Q. L., Ren B., Tian Z. Q., Acta Phys-Chim. Sin., 2010, 26(9), 2337—2342
	(颜亮亮, 江庆宁, 刘德宇, 钟艳, 温飞鹏, 邓小聪, 钟起玲, 任斌, 田中群. 物理化学学报, 2010, 26(9), 2337—2342)
[25]	Mayers B., Jiang X., Sunderland D., Cattle B., Xia Y., J. Am. Chem. Soc., 2003, 125, 13364—13365
[26]	Guo S. J., Dong S. J., Wang E. K., J. Phys. Chem. C, 2009, 113, 5485—5492
[27]	Zhong Y., Wen F. P., Xu J. L., Cheng M. Q., Deng X. C., Yan L. L., Zhang X. T., Zhong Q. L., Ren B., Tian Z. Q., CIESC Journal, 2010, 61(S1), 24—28
	(钟艳, 温飞鹏, 徐金龙, 程美琴, 邓小聪, 颜亮亮, 张贤土, 钟起玲, 任斌, 田中群. 化工学报, 2010, 61(S1), 24—28)
[28]	Cao G. Z., Liu D. W., Adv. Colloid Interfacace Sci., 2008, 136, 45—64