najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2016-7-6-906-910najo-765Research ArticlePHYSICSФИЗИКАEffect of the removal of the barrier layer period in productive process for anodic alumina membraneDaryakenariM. Ahmadi

68 K. Marksa Str, Kazan

dariakenari@gmail.comZohrabiM.

18 Kremlin Str, Kazan

DaryakenariA. Ahmadi

7-3-1 Hongo, Bunkyo-ku, Tokyo, 113–8656

Kazan National Research Technological UniversityRussian FederationKazan Federal UniversityRussian FederationThe University of TokyoJapan20161308202576906910Copyright © Daryakenari M.A., Zohrabi M., Daryakenari A.A., 20252025Daryakenari M.A., Zohrabi M., Daryakenari A.A.Daryakenari M.A., Zohrabi M., Daryakenari A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/765

An anodic alumina membrane (AAM) is produced using two-step anodizing by using various types of acidic electrolytes, such as sulfuric acid, phosphoric acid and oxalic acid. Holes are characterized by hexagonal structure with diameters ranging from 40 to 420 nm. Heat and chemical stability also regular formed holes are made the membranes appropriate for using in gas separating process, drug delivery and applicant for fuel cell membrane. Detaching of membrane from the aluminum base is the most important stage of the membrane production process. In this research, initially, the aluminum base layer was removed with the use of CuSO4 and HCl. In secondary step, barrier layer at the end of the holes were removed with phosphoric acid solution. The aim of this work is to analyze the effect of time on the barrier layer removal process.

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The authors declare that there are no conflicts of interest present.