One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium
One-dimensional photonic crystals (1D PhCs) obtained by aluminium anodizing under oscillating conditions are promising materials with structure-dependent optical properties. Electrolytes based on sulphuric, oxalic, and selenic acids have been utilized for the preparation of anodic aluminium oxide (A...
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MDPI AG
2022-05-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/9/1548 |
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| author | Sergey E. Kushnir Nina A. Sapoletova Ilya V. Roslyakov Kirill S. Napolskii |
| author_facet | Sergey E. Kushnir Nina A. Sapoletova Ilya V. Roslyakov Kirill S. Napolskii |
| author_sort | Sergey E. Kushnir |
| collection | DOAJ |
| description | One-dimensional photonic crystals (1D PhCs) obtained by aluminium anodizing under oscillating conditions are promising materials with structure-dependent optical properties. Electrolytes based on sulphuric, oxalic, and selenic acids have been utilized for the preparation of anodic aluminium oxide (AAO) 1D PhCs with sub-100-nm pore diameter. AAO films with larger pores can be obtained by anodizing in phosphorous acid at high voltages. Here, for the first time, anodizing in phosphorous acid is applied for the preparation of AAO 1D PhCs with nonbranched macropores. The sine wave profile of anodizing voltage in the 135–165 V range produces straight pores, whose diameter is above 100 nm and alternates periodically in size. The pore diameter modulation period linearly increases with the charge density by a factor of 599 ± 15 nm·cm<sup>2</sup>·C<sup>−1</sup>. The position of the photonic band gap is controlled precisely in the 0.63–1.96 µm range, and the effective refractive index of AAO 1D PhCs is 1.58 ± 0.05. |
| first_indexed | 2024-03-10T03:52:04Z |
| format | Article |
| id | doaj.art-d11e8e76774c42e68c6f9979071199c6 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T03:52:04Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-d11e8e76774c42e68c6f9979071199c62023-11-23T08:55:54ZengMDPI AGNanomaterials2079-49912022-05-01129154810.3390/nano12091548One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of AluminiumSergey E. Kushnir0Nina A. Sapoletova1Ilya V. Roslyakov2Kirill S. Napolskii3Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, RussiaDepartment of Chemistry, Lomonosov Moscow State University, Moscow 119991, RussiaDepartment of Materials Science, Lomonosov Moscow State University, Moscow 119991, RussiaDepartment of Chemistry, Lomonosov Moscow State University, Moscow 119991, RussiaOne-dimensional photonic crystals (1D PhCs) obtained by aluminium anodizing under oscillating conditions are promising materials with structure-dependent optical properties. Electrolytes based on sulphuric, oxalic, and selenic acids have been utilized for the preparation of anodic aluminium oxide (AAO) 1D PhCs with sub-100-nm pore diameter. AAO films with larger pores can be obtained by anodizing in phosphorous acid at high voltages. Here, for the first time, anodizing in phosphorous acid is applied for the preparation of AAO 1D PhCs with nonbranched macropores. The sine wave profile of anodizing voltage in the 135–165 V range produces straight pores, whose diameter is above 100 nm and alternates periodically in size. The pore diameter modulation period linearly increases with the charge density by a factor of 599 ± 15 nm·cm<sup>2</sup>·C<sup>−1</sup>. The position of the photonic band gap is controlled precisely in the 0.63–1.96 µm range, and the effective refractive index of AAO 1D PhCs is 1.58 ± 0.05.https://www.mdpi.com/2079-4991/12/9/1548anodic aluminium oxidephotonic crystalphosphorous acidanodizing |
| spellingShingle | Sergey E. Kushnir Nina A. Sapoletova Ilya V. Roslyakov Kirill S. Napolskii One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium Nanomaterials anodic aluminium oxide photonic crystal phosphorous acid anodizing |
| title | One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium |
| title_full | One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium |
| title_fullStr | One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium |
| title_full_unstemmed | One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium |
| title_short | One-Dimensional Photonic Crystals with Nonbranched Pores Prepared via Phosphorous Acid Anodizing of Aluminium |
| title_sort | one dimensional photonic crystals with nonbranched pores prepared via phosphorous acid anodizing of aluminium |
| topic | anodic aluminium oxide photonic crystal phosphorous acid anodizing |
| url | https://www.mdpi.com/2079-4991/12/9/1548 |
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