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. 2023 Dec 12;13(24):3120. doi: 10.3390/nano13243120

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) UV-vis DRS of Na-LTA zeolite-based samples synthesized in the presence of Au₉-PPh₃, Au₉-MPTMS, and MPTMS, compared to Na-LTA. (b) UV-vis spectra of methanolic solutions of Au₉(PPh₃)₈(NO₃)₃, Au₉-MPTMS, and MPTMS.