On the Significance of the Anchoring Group in the Design of Antenna Materials Based on Phthalocyanine Stopcocks and Zeolite L

López Duarte, Ismael; Le-Quyenh, Dieu; Dolamic, Igor; Martínez Díaz, María Victoria; Torres Cebada, Tomás; Calzaferri, Gion; Brühwiler, Dominik

On the Significance of the Anchoring Group in the Design of Antenna Materials Based on Phthalocyanine Stopcocks and Zeolite L

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Official URL

https://doi.org/10.1002/chem.201002210

Publication date

2010

Authors

López Duarte, Ismael

Le-Quyenh, Dieu

Dolamic, Igor

Martínez Díaz, María Victoria

Torres Cebada, Tomás

Calzaferri, Gion

Brühwiler, Dominik

Publisher

Wiley

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URI

https://hdl.handle.net/20.500.14352/100085

Citation

López‐Duarte I, Le‐Quyenh Dieu, Dolamic I, Martínez‐Díaz MV, Torres T, Calzaferri G, et al. On the Significance of the Anchoring Group in the Design of Antenna Materials Based on Phthalocyanine Stopcocks and Zeolite L. Chemistry A European J 2011;17:1855–62. https://doi.org/10.1002/chem.201002210.

Abstract

The synthesis of stopcocks based on zinc phthalocyanine for selective adsorption at the channel entrances of zeolite L is reported. The introduction of either an inert SiMe3 moiety, an imidazolium cation or a reactive isothiocyanate (NCS) group allows attachment to the channel entrances of zeolite L through van der Waals interactions, electrostatic interactions, or covalent binding, respectively. Stopcocks that rely on van-der-Waals-driven adsorption require careful selection of the solvent used for the deposition onto the zeolite surface to avoid a nonspecific distribution of the molecules. Regarding the design of photonic antenna systems, a stopcock with a cationic tail was found to be the most convenient, based on the observation that efficient energy transfer from molecules located in the zeolite nanochannels is more readily obtained than in the other cases.