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	Comparative study of inhibition effects of benzotriazole for metals in neutral solutions as observed with surface-enhanced Raman spectroscopy
	Cao, PG ; Yao, JL ; Yao JL(姚建林) ; Zheng, JW ; Gu, RA ; Gu RA(顾仁敖) ; Tian, ZQ ; Tian ZQ(田中群)
	2001-12-06
英文摘要	Surface-enhanced Raman spectroscopy has been successfully extended to the study of corrosion inhibition of bare iron and nickel metals. The inhibition effects of benzotriazole (BTAH) for copper, iron, and nickel electrodes in 0.1 M KCl solution were investigated by using both polarization curves and in situ Raman techniques. The protective films formed on copper and iron surfaces, in the presence of BTAH, are characterized as [Cu(I)BTA](n) and [Fe-II(BTA)(2)](n), respectively. The formation of Fe-N coordinated bonds and the deprotonation of the triazole ring may occur while BTAH interacts with the iron surface. On the contrary, BTAH may interact with the nickel surface as neutral molecules in the whole potential range investigated resulting in a poor inhibition effect. The surface complex is characterized as [Ni-BTAH]. The potential dependence of the Raman spectra on copper and iron shows that the BTA(-) ion in the surface complex may rebind with H+ at more negative potentials and accordingly the inhibition efficiency of benzotriazole decreases.
语种	英语
出版者	AMER CHEMICAL SOC
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1021/la010575p]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Cao, PG,Yao, JL,Yao JL,et al. Comparative study of inhibition effects of benzotriazole for metals in neutral solutions as observed with surface-enhanced Raman spectroscopy[J],2001.
APA	Cao, PG.,Yao, JL.,姚建林.,Zheng, JW.,Gu, RA.,...&田中群.(2001).Comparative study of inhibition effects of benzotriazole for metals in neutral solutions as observed with surface-enhanced Raman spectroscopy..
MLA	Cao, PG,et al."Comparative study of inhibition effects of benzotriazole for metals in neutral solutions as observed with surface-enhanced Raman spectroscopy".(2001).

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