Optical Detection of Solid‐State Chiral Structures with Unpolarized Light and in the Absence of External Fields | Zendy

Ananias Duarte | Zendy; Almeida Paz Filipe A. | Zendy; Carlos Luís D. | Zendy; Geraldes Carlos F. G. C. | Zendy; Rocha João | Zendy

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Optical Detection of Solid‐State Chiral Structures with Unpolarized Light and in the Absence of External Fields

Author(s) -

Ananias Duarte,

Almeida Paz Filipe A.,

Carlos Luís D.,

Geraldes Carlos F. G. C.,

Rocha João

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200602849

Subject(s) - microporous material , octahedron , photoluminescence , lanthanide , spectroscopy , molecule , ion , white light , materials science , solid state , crystallography , enantiomer , chemistry , optoelectronics , stereochemistry , physics , organic chemistry , quantum mechanics , composite material

Chiral microporous lanthanide silicates Na 3 [(Y,Ln)Si 3 O 9 ]⋅3 H 2 O ( 1 ; Ln=Eu, Tb, Er, Ce) have enantiomeric domains that can be discriminated by means of Eu 3+ photoluminescence spectroscopy. In the framework of 1 (see picture), (Si 3 O 9 ) ∞ spiral chains interconnect the {(Y,Ln)O 6 } octahedra, and channels along [100] contain Na + ions and water molecules. Color code: {(Y,Ln)O 6 } yellow; {SiO 4 } green; O red; Na purple; H white.

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