Photostable, Oxygen-Sensitive Optical Probe Based on a Homonuclear Terbium(III) Complex Covalently Bound to Functionalized Polydimethylsiloxane.
Chempluschem
; 80(12): 1721-1724, 2015 Dec.
Article
em En
| MEDLINE
| ID: mdl-31973316
A new oxygen-sensitive optical probe based on the [Tb(3,5-dcba)3 ]â
1/2 H2 O (3,5-dcba=3,5-dichlorobenzoate) complex, which is chemically attached to a phosphine-oxide-functionalized polydimethylsiloxane is presented. The hybrid material shows green emission and transparency in the visible range. The optically sensitive probe is photostable under excitation at 350â
nm and shows the highest oxygen sensitivity, I0 /I100 equal to 8.9 at 1â
atm, among probes based on homonuclear lanthanide compounds. Furthermore its reversibility is demonstrated after several cycles ranging from 100 % N2 to 100 % O2 with response time of 8.5â
s (N2 âO2 ) and recovery time of 49.5â
s (O2 âN2 ).
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1
Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Diagnostic_studies
Idioma:
En
Revista:
Chempluschem
Ano de publicação:
2015
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Alemanha