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Yolk-Shell Nanostars@Metal Organic Frameworks as Molecular Sieves for Optical Sensing and Catalysis |
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| Authors: | Tolga Zorlu I Brian Becerril-Castro Dr Begoña Puertolas Prof Vincenzo Giannini Prof Miguel A Correa-Duarte Prof Ramon A Alvarez-Puebla |
| Institution: | 1. Department of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, Tarragona, Spain
Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain CINBIO, Universidade de Vigo, 36310 Vigo, Spain;2. Department of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, Tarragona, Spain;3. Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain CINBIO, Universidade de Vigo, 36310 Vigo, Spain;4. Instituto de Estructura de la Materia (IEM), Consejo Superior de Investigaciones Científicas (CSIC), 28006 Madrid, Spain Technology Innovation Institute, 9639 Masdar City, Abu Dhabi, United Arab Emirates Centre of Excellence ENSEMBLE3 sp. z o.o., Wolczynska 133, 01-919 Warsaw, Poland;5. Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain |
| Abstract: | Hybrid composites between nanoparticles and metal organic frameworks (MOFs) have been described as optimal materials for a wide range of applications in optical sensing, drug delivery, pollutant removal or catalysis. These materials are usually core-shell single- or multi-nanoparticles, restricting the inorganic surface available for reaction. Here, we develop a method for the preparation of yolk-shells consisting in a plasmonic gold nanostar coated with MOF. This configuration shows more colloidal stability, can sieve different molecules based on their size or charge, seems to show some interesting synergy with gold for their application in photocatalysis and present strong optical activity to be used as SERS sensors. |
| Keywords: | Metal Organic Frameworks Optical Sensing Plasmonic Composites SERS Yolk Shells |