{"title":"Various Modifications of Electrochemical Barrier Layer Thinning of Anodic Aluminum Oxide","authors":"W. J. St\u0119pniowski, W. Florkiewicz, M. Norek, M. Michalska-Doma\u0144ska, E. Ko\u015bciuczyk, T. Czujko","volume":96,"journal":"International Journal of Materials and Metallurgical Engineering","pagesStart":1488,"pagesEnd":1492,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/10000597","abstract":"
In this paper, two options of anodic alumina barrier
\r\nlayer thinning have been demonstrated. The approaches varied with
\r\nthe duration of the voltage step. It was found that too long step of the
\r\nbarrier layer thinning process leads to chemical etching of the
\r\nnanopores on their top. At the bottoms pores are not fully opened
\r\nwhat is disadvantageous for further applications in nanofabrication.
\r\nOn the other hand, while the duration of the voltage step is controlled
\r\nby the current density (value of the current density cannot exceed
\r\n75% of the value recorded during previous voltage step) the pores are
\r\nfully opened. However, pores at the bottom obtained with this
\r\nprocedure have smaller diameter, nevertheless this procedure
\r\nprovides electric contact between the bare aluminum (substrate) and
\r\nelectrolyte, what is suitable for template assisted electrodeposition,
\r\none of the most cost-efficient synthesis method in nanotechnology.<\/p>\r\n","references":"[1] S. Ono, N. Masuko, \u201cEvaluation of pore diameter of anodic porous films\r\nformed on aluminum,\u201d Surf. Coat. Technol., vol. 169-170, 2003, pp.\r\n139-142\r\n[2] S. Ono, M. Saito, H. Asoh, \u201cSelf-ordering of anodic porous alumina\r\nformed in organic acid electrolytes,\u201d Electrochim. Acta, vol. 51, 2005,\r\npp. 827-833\r\n[3] W. J. St\u0119pniowski, M. Norek, M. Michalska-Doma\u0144ska, Z. Bojar,\r\n\u201cUltra-small nanopores obtained by self-organized anodization of\r\naluminum in oxalic acid at low voltages,\u201d Mater. Lett., vol. 111, 2013,\r\npp. 20-23\r\n[4] W. J. St\u0119pniowski, Z. Bojar, \u201cSynthesis of anodic aluminum oxide\r\n(AAO) at relatively high temperatures. Study of the influence of anodization conditions on the alumina structural features,\u201d Surf. Coat.\r\nTechnol., vol. 206, 2011, pp. 265-272\r\n[5] O. Nishinaga, T. Kikuchi, S. Natusi, R.O. Suzuki, \u201cRapid fabrication of\r\nself-ordered porous alumina with 10-\/sub-10-nm-scale nanostructures by\r\nselenic acid anodizing,\u201d Sci. Reports, vol. 3, 2013, pp. 2748\r\n[6] T. Kikuchi, D. Nakajima, J. Kawashima, S. Natsui, R.O. Suzuki,\r\n\u201cFabrication of anodic porous alumina via anodizing in cyclicoxocarbon\r\nacids,\u201d Appl. Surf. Sci., vol. 313, 2014, pp. 276-285\r\n[7] X. Qin, J. Zhang, X. Meng, L. Wang, C. Deng, G. Ding, H. Zeng, X. Xu,\r\n\u201cEffect of ethanol on the fabrication of porous anodic alumina in sulfuric\r\nacid,\u201d Surf. Coat. Technol., vol. 254, 2014, pp. 398\u2013401\r\n[8] Y. T. Pang, G. W. Meng, W. J. Shan, L. D. Zhang, X. Y. Gao, A.W.\r\nZhao, Y.Q. Mao, \u201d Arrays of ordered Ag nanowires with different\r\ndiameters in different areas embedded in one piece of anodic alumina\r\nmembrane, Appl Phys A, vol. 77, 2003, pp. 717-720\r\n[9] M. P. Proenca, C.T. Sousaa, J. Ventura, M. Vazquez, J. P. Araujo, \u201cNi\r\ngrowth inside ordered arrays of alumina nanopores: Enhancing the\r\ndeposition rate,\u201d Electrochim. Acta, vol. 72, 2012, pp. 215-21\r\n[10] R. C. Furneaux, W. R. Rigby, A. P. Davidson, \u201cThe formation of\r\ncontrolled-porosity membranes from anodically oxidized aluminium,\u201c\r\nNature, vol. 337, 1989, pp. 147-149\r\n[11] J. M. Montero-Moreno, M. Belenguer, M. Sarret, C. M. M\u00fcller,\r\n\u201cProduction of alumina templates suitable for electrodeposition of\r\nnanostructures using stepped techniques,\u201d Electrochim. Acta, vol. 54,\r\n2009, pp. 2529\u20132535\r\n[12] J. Choi, G. Sauer, K. Nielsch, R. B. Wehrspohn, U. G\u00f6sele,\r\n\u201cHexagonally Arranged Monodisperse Silver Nanowires with\r\nAdjustable Diameter and High Aspect Ratio,\u201d Chem. Mater., vol.. 15,\r\n2003, pp. 776-779\r\n[13] Z. Wu, Y. Zhang, K. Du, \u201cA simple and efficient combined AC\u2013DC\r\nelectrodeposition method for fabrication of highly ordered Au nanowires\r\nin AAO template,\u201d Appl. Surf. Sci., vol. 265, 2013, pp 149-56\r\n[14] A. J. Yin, J. Li, W. Jian, A. J. Bennet, J. M. Xu, \u201cFabrication of highly\r\nordered metallic nanowire arrays by electrodeposition,\u201d Appl. Phys.\r\nLett., vol. 79, 2001, pp. 1039-41\r\n[15] J. Qin, J. Nogue, M. Mikhaylova, A. Roig, J. S. Munoz, M. Muhammed,\r\n\u201cDifferences in the Magnetic Properties of Co, Fe, and Ni 250-300 nm\r\nWide Nanowires Electrodeposited in Amorphous Anodized Alumina\r\nTemplates,\u201d Chem. Mater., vol. 17, 2005 pp. 1829-34\r\n[16] G. A. Gelves, Z. T. M. Murakami, M. J. Krantz, J. A. Haber,\r\n\u201eMultigram synthesis of copper nanowires using ac electrodeposition\r\ninto porous aluminium oxide templates,\u201d J. Mater. Chem., vol. 16, 2006,\r\nvol. 16, pp. 3075\u201383\r\n[17] S. Z. Chu, K. Wada, S. Inoue, S. Todoroki, \u201cFabrication and\r\ncharacteristics of nanostructures on glass by Al anodization and\r\nelectrodeposition,\u201d Electrochim. Acta, vol. 48, 2003, pp. 3147-53\r\n[18] K. Nielsch, F. M\u00fcller, A. P. Li, U. G\u00f6sele, \u201cUniform Nickel Deposition\r\ninto Ordered Alumina Pores by Pulsed Electrodeposition,\u201d Adv. Mater.,\r\nvol. 12, 2000, pp. 582-6\r\n[19] J. M. Montero-Moreno, M. Belenguer, M. Sarret, C. M. M\u0151ller,\r\n\u201cProduction of alumina templates suitable for electrodeposition of\r\nnanostructures using stepped techniques,\u201d Electrochim. Acta, vol. 54,\r\n2009; pp. 2529-35\r\n[20] S. Sousa, D. C. Leitao, J. Ventura, P. B. Tavares, J. P. Araujo, \u201dA\r\nversatile synthesis method of dendrites free segmented nanowires with a\r\nprecise size control,\u201d Nanoscale Res. Lett., vol. 7, 2012, pp. 168\r\n[21] N. Winkler, J. Leuthold, Y. Lei, G. Wilde, \u201dLarge-scale highly ordered\r\narrays of freestanding magnetic nanowires,\u201d J. Mater. Chem., vol. 22,\r\n2012, pp. 16627-16632\r\n[22] D. Routkevitch, T. Bigioni, M. Moskovits, J. M. Xu, \u201eElectrochemical\r\nFabrication of CdS Nanowire Arrays in Porous Anodic Aluminum\r\nOxide Templates,\u201d J. Phys. Chem., vol. 100, 1996; pp. 14037-47\r\n[23] W. Lee, M. Alexe, K. Nielsch, U. G\u00f6sele, \u201cMetal Membranes with\r\nHierarchically Organized Nanotube Arrays,\u201d Chem. Mater., vol. 17,\r\n2005, pp. 3325-7\r\n[24] W. Lee, R. Scholz, K. Nielsch, U. G\u00f6sele, \u201eA Template-Based\r\nElectrochemical Method for the Synthesis of Multisegmented Metallic\r\nNanotubes,\u201d Angew. Chem. Int. Ed., vol. 44, 2005, pp. 6050 \u20134\r\n[25] W. J. St\u0119pniowski, W. Florkiewicz, M. Michalska-Doma\u0144ska, M.\r\nNorek, T. Czujko, J. Electroanal. Chem. Volume 741, 2015, Pages 80-\r\n86\r\n[26] L. Zaraska, E. Kurowska, G. D. Sulka, M. Jasku\u0142a, \u201cPorous alumina\r\nmembranes with branched nanopores as templates for fabrication of Yshaped\r\nnanowire arrays,\u201d Journal of Solid State Electrochemistry, vol. 6,\r\nIssue 11, 2012, pp. 3611-3619","publisher":"World Academy of Science, Engineering and Technology","index":"Open Science Index 96, 2014"}