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Direct Holographic Patterning of ZnO

Abstract : Zinc oxide thin films are holographically patterned on submicronic scale by direct photodissolution method. The photodissolution process in solution is highly sensitive in the UV range (355 nm). 1D and 2D nanostructures are successfully obtained by this photoresist‐free process. The kinetic of the reaction is studied by recording the transmitted intensity through the evolution of the ZnO film thickness along the reaction time. Application of an electrical potential strongly increases the dissolution rate (1.5 μm min−1) and decreases the pattern formation time. As a first demonstration of the potential of all‐in liquid direct ZnO heterostructuring, selective growth of ZnO nanorods is performed by chemical bath deposition using holographically patterned ZnO films as a substrate.
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Submitted on : Tuesday, October 8, 2019 - 3:36:24 PM
Last modification on : Sunday, June 26, 2022 - 4:43:55 AM

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Clotaire Chevalier-César, Komla Nomenyo, Anna Rumyantseva, Anisha Gokarna, Agnieszka Gwiazda, et al.. Direct Holographic Patterning of ZnO. Advanced Functional Materials, Wiley, 2016, 26 (11), pp.1787-1792. ⟨10.1002/adfm.201504870⟩. ⟨hal-02308528⟩



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