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B. G. SALAMOV1,* , V. I. ORBUKH2, N. N. LEBEDEVA2, G. M. EYVAZOVA3, Z. A. AGAMALIEV3
This research work deals with the phenomenon of transfer of positive metal ions from the surface of a massive anode to the surface of the zeolite plate in an abnormally small an external electric field E. The explanation of the observed phenomenon is based on the fact that in the electric field the conducting pores of the zeolite near the anode are charged with a negative charge localized on the walls of the zeolite pores. Since the pore diameter is significantly less than its length, these charges create an abnormally large local electric field on the anode surface. Thus, the electric field carried out the transfer of ions from the anode to the surface of the zeolite. Such type transfer mechanism is possible only from zeolite crystallites (constituting the zeolite plate), in which the pores are oriented perpendicular to the interface of the zeolite with the anode. Therefore, the distribution of the transferred substance on the surface of the zeolite is highly heterogeneous. Considerations that explain the threshold (i.e. the magnitude of the external electric field E) nature of the phenomenon are also considered. Thus, the obtained conductivity results indicate that silver-modified porous zeolite electrode can enable the system to operate with lower energy, enhanced mass transfer productivity, which may be useful in typical optoelectronic equipment used at atmospheric pressure.
Zeolite, Silver ions, Electric field, Mass transfer, Conductivity.
B. G. SALAMOV, V. I. ORBUKH, N. N. LEBEDEVA, G. M. EYVAZOVA, Z. A. AGAMALIEV, Peculiarities of mass transfer and conductivity in silver- modified porous zeolite microstructure, Optoelectronics and Advanced Materials - Rapid Communications, 15, 7-8, July-August 2021, pp.386-393 (2021).
Submitted at: April 10, 2019
Accepted at: Aug. 16, 2021
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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