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241015s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405378
|2 doi
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|a pubmed24n1624.xml
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|a DE-627
|b ger
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|a eng
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| 100 |
1 |
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|a Kim, Joohoon
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Amorphous to Crystalline Transition in Nanoimprinted Sol-Gel Titanium Oxide Metasurfaces
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 07.12.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Crystalline titanium dioxide (TiO2) (anatase and rutile) possesses a higher refractive index than amorphous TiO2 and near-zero absorption in the visible region, making them an ideal material for visible metasurfaces. However, fabrication limitations hinder their implementation into flat optics. In this work, a wafer-scale manufacturing platform is proposed for crystalline TiO2 metasurfaces. Sol-gel TiO2 is developed as a printable material in which its material phase can be precisely controlled to produce amorphous, anatase, or rutile, depending on the crystallization temperature. Therefore, anatase or rutile metalenses can be fabricated on a wafer scale using thermal nanoimprint lithography and sintering process. The high refractive index of the crystalline TiO2 contributes to the enhanced conversion efficiency of the fabricated metalenses. The fabricated metalenses exhibit diffraction-limited focusing and imaging capabilities, comparable to the theoretically ideal lenses
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|a Journal Article
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|a dielectric metasurface
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| 650 |
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4 |
|a nanoimprint lithography
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| 650 |
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4 |
|a sol–gel nanoimprinting
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| 700 |
1 |
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|a Kim, Wonjoong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choi, Minseok
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Yujin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Dohyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Eunji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Chanwoong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sung, Hansang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Heon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rho, Junsuk
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 49 vom: 19. Dez., Seite e2405378
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:49
|g day:19
|g month:12
|g pages:e2405378
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|u http://dx.doi.org/10.1002/adma.202405378
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