Investigation on the morphology of adsorbed benzotriazole film on copper surface by  scanning tunneling microcopy

Abstract

Abstract: It is observed by scanning tunneling microscopy (STM) that the adsorbed Benzotriazole (BTA)
on copper is long in shape and has an irregular rectangle. The growth of BTA on copper is
in the form of polymeric chain and mainly in one dimension rather than two dimensions. The
copper surface covered by BTA becomes flatter,smoother and the roughness was smaller than
that of bare copper, so the corrosion is largely decreased. However,many grooves can be
seen between BTA polymeric chains in which corrosion may exist to a degree.

Key words: benzotriazole, scanning tunneling microcopy, copper, morphology

摘要： It is observed by scanning tunneling microscopy (STM) that the adsorbed Benzotriazole (BTA)
on copper is long in shape and has an irregular rectangle. The growth of BTA on copper is
in the form of polymeric chain and mainly in one dimension rather than two dimensions. The
copper surface covered by BTA becomes flatter,smoother and the roughness was smaller than
that of bare copper, so the corrosion is largely decreased. However,many grooves can be
seen between BTA polymeric chains in which corrosion may exist to a degree.

关键词: benzotriazole;scanning tunneling microcopy;copper;morphology

XU Chunchun, HE Zonghu, Wing yan NG. Investigation on the morphology of adsorbed benzotriazole film on copper surface by
scanning tunneling microcopy[J]. .

许淳淳, 何宗虎, Wing yan NG. 用扫描隧道显微镜研究铜表面苯并三氮唑吸附膜的结构形态[J]. CIESC Journal.

References

[1] Ktehyun, Kishimoto, J., Hashizume, T., Pickering, H.W.,Sakurai, T., "Adsorption and
film growth of BTA on clean and oxygen absorbed Cu surfaces", Applied Surface
Science,87/88, 380-385 (1995).
[2] Atanna, S.M., Setty, T.H.V., "Effect ofbenzotriazole on the dissolution of copper
single crystal planes in dilute sulphuric acid", Corros. Sci., 15, 625 (1975).
[3] Mansfeld, F., Smith, T., "Benzotriazole as corrosion inhibitor for copper", Corrosion,
29, 105 (1973).
[4] otoya, T., Poling, G.W., "Corrosion pretreatments for copper-zinc alloys", Corrosion,
35, 1193 (1979).
[5] Walker, R., "Atmospheric oxidation of copper pretreated with triazoles", Metal
Finishing, 72 (6), 33 (1974).
[6] Keino, Goro, "Corrosion inhibitor", Jp. Pat., 7408779(1974).
[7] Cotton, J.B., "Benzotriazole and related compounds as corrosion inhibitors for Cu",
Brit. Corros., 2, 1 (1967).
[8] Ogle, I.C.G., Poling, G. W., "Corrosion inhibition of copper with benzotriazole",
Corros. Sci., 14, 37 (1975).
[9] Youda, R., Nishihara, H., Aramaki, K., "A sers study on inhibition mechanisms of
benzotriazole and its derivatives for copper corrosion in sulphate solutions", Corros.
Sci.,28, 87 (1988).
[10] Thierry, D., Leygraf, C., "Enhanced raman scattering of 1,2,4-triazole and imidazole
absorbed on microlithographically prepared copper surface", J. Electrochem. Soc., 133,2236
(1986).
[11] Poling, G.W., "Reflection infrared studies of films formed by benzotriazole on
copper", Corros. Sci., 10, 359 (1970).
[12] Kester, J.J., Furtak, T.E., Bevolo, A.J., "Surface enhanced Raman scattering in
corrosion science: Benzotriazole on copper", Electrochem. Soc., 129, 1716 (1982).
[13] Youda, R., Nishihara, H., Aramaki, K., "Sers and impedance study of the equilibrium
between complex formation and adsorption of benzotriazole and 4-hydroxybenzotriazole on a
copper electrode in sulphate solutions", Electrochem. Acta, 35, 1011 (1990).
[14] Fox, P.G., Lewis, G., Boden, P.J., "Some chemical aspects of the corrosion inhibition
of copper by benzotriazole", Corros. Sci., 19, 457 (1979).1] Ktehyun, Kishimoto, J.,
Hashizume, T., Pickering, H.W.,Sakurai, T., "Adsorption and film growth of BTA on clean and
oxygen absorbed Cu surfaces", Applied Surface Science,87/88, 380-385 (1995).
[2] Atanna, S.M., Setty, T.H.V., "Effect ofbenzotriazole on the dissolution of copper
single crystal planes in dilute sulphuric acid", Corros. Sci., 15, 625 (1975).
[3] Mansfeld, F., Smith, T., "Benzotriazole as corrosion inhibitor for copper", Corrosion,
29, 105 (1973).
[4] otoya, T., Poling, G.W., "Corrosion pretreatments for copper-zinc alloys", Corrosion,
35, 1193 (1979).
[5] Walker, R., "Atmospheric oxidation of copper pretreated with triazoles", Metal
Finishing, 72 (6), 33 (1974).
[6] Keino, Goro, "Corrosion inhibitor", Jp. Pat., 7408779(1974).
[7] Cotton, J.B., "Benzotriazole and related compounds as corrosion inhibitors for Cu",
Brit. Corros., 2, 1 (1967).
[8] Ogle, I.C.G., Poling, G. W., "Corrosion inhibition of copper with benzotriazole",
Corros. Sci., 14, 37 (1975).
[9] Youda, R., Nishihara, H., Aramaki, K., "A sers study on inhibition mechanisms of
benzotriazole and its derivatives for copper corrosion in sulphate solutions", Corros.
Sci.,28, 87 (1988).
[10] Thierry, D., Leygraf, C., "Enhanced raman scattering of 1,2,4-triazole and imidazole
absorbed on microlithographically prepared copper surface", J. Electrochem. Soc., 133,2236
(1986).
[11] Poling, G.W., "Reflection infrared studies of films formed by benzotriazole on
copper", Corros. Sci., 10, 359 (1970).
[12] Kester, J.J., Furtak, T.E., Bevolo, A.J., "Surface enhanced Raman scattering in
corrosion science: Benzotriazole on copper", Electrochem. Soc., 129, 1716 (1982).
[13] Youda, R., Nishihara, H., Aramaki, K., "Sers and impedance study of the equilibrium
between complex formation and adsorption of benzotriazole and 4-hydroxybenzotriazole on a
copper electrode in sulphate solutions", Electrochem. Acta, 35, 1011 (1990).
[14] Fox, P.G., Lewis, G., Boden, P.J., "Some chemical aspects of the corrosion inhibition
of copper by benzotriazole", Corros. Sci., 19, 457 (1979).

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Investigation on the morphology of adsorbed benzotriazole film on copper surface by
scanning tunneling microcopy

用扫描隧道显微镜研究铜表面苯并三氮唑吸附膜的结构形态

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