Fabrication of 3D Oriented MOF Micropatterns with Anisotropic Fluorescent Properties
العنوان: | Fabrication of 3D Oriented MOF Micropatterns with Anisotropic Fluorescent Properties |
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المؤلفون: | Miriam de J. Velásquez‐Hernández, Mercedes Linares‐Moreau, Lea A. Brandner, Benedetta Marmiroli, Mariano Barella, Guillermo P. Acuna, Simone Dal Zilio, Margot F. K. Verstreken, Dmitry E. Kravchenko, Oliver M. Linder‐Patton, Jack D. Evans, Helmar Wiltsche, Francesco Carraro, Heimo Wolinski, Rob Ameloot, Christian Doonan, Paolo Falcaro |
المصدر: | Advanced Materials. |
بيانات النشر: | Wiley, 2023. |
سنة النشر: | 2023 |
مصطلحات موضوعية: | oriented MOFs, Mechanics of Materials, Mechanical Engineering, General Materials Science, MOF thin films, Metal-organic frameworks, micropatterning, anisotropic properties, photonic devices |
الوصف: | Micropatterning crystalline materials with oriented pores is necessary for the fabrication of devices with anisotropic properties. Crystalline and porous metal-organic frameworks (MOFs) are ideal materials as their chemical and structural mutability enables precise tuning of functional properties for applications ranging from microelectronics to photonics. Herein, a patternable oriented MOF film is designed: by using a photomask under X-ray exposure, the MOF film decomposes in the irradiated areas, remaining intact in the unexposed regions. The MOF film acts simultaneously as a resist and as functional porous material. While the heteroepitaxial growth from aligned Cu(OH)2 nanobelts is used to deposit oriented MOF films, the sensitivity to radiation is achieved by integrating a brominated dicarboxylate ligand (Br2 BDC) into a copper-based MOF Cu2 L2 DABCO (DABCO = 1,4-diazabicyclo[2.2.2]octane; L = BDC/Br2 BDC). The lithographed samples act as diffraction gratings upon irradiation with a laser, thus confirming the quality of the extended MOF micropattern. Furthermore, the oriented MOF patterns are functionalized with fluorescent dyes. As a result, by rotating the polarization angle of the laser excitation, the alignment of the dye in the MOF is demonstrated. By controlling the functional response to light, this MOF patterning protocol can be used for the microfabrication of optical components for photonic devices. ispartof: ADVANCED MATERIALS vol:35 issue:25 ispartof: location:Germany status: published |
وصف الملف: | Print-Electronic |
تدمد: | 1521-4095 0935-9648 |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7597779dcc7963bba84992c04153a2e4 https://doi.org/10.1002/adma.202211478 |
حقوق: | OPEN |
رقم الأكسشن: | edsair.doi.dedup.....7597779dcc7963bba84992c04153a2e4 |
قاعدة البيانات: | OpenAIRE |
تدمد: | 15214095 09359648 |
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