期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 12, 页码 8933-8936出版社
AMER CHEMICAL SOC
DOI: 10.1021/am5010656
关键词
supramolecular; organogel; sensing; tricarbocyanine; aqueous interface
资金
- University of Buenos Aires [20020100200113, 20020100300008]
- Agencia Nacional de Promocion Cientifica y Tecnologica [PICT2010-386, PICT 2010-0362, PICT 2010-2817]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas [PIP 11220110100778, PIP 11420100100002]
In this communication, we report on a novel and versatile low-molecular-weight organogelator. The methanolic gel exhibits an exceptional water-enhanced stability as evidenced by a 30 degrees C increase in T-g with up to 10%v/v of water. This atypical property not observed with other solvents makes of this supramolecular gel a highly stable matrix compatible with aqueous interfaces. As a proof of principle we present the sensing performance of a symmetric tricarbocyanine fluorophore bearing a Zn(II)chelator unit. The system retained its remarkable physical integrity for a long period of time opening new possibilities for other organic-aqueous interface applications.
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