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Title

Cucurbit[8]uril-stabilized charge transfer complexes with diquat driven by pH: a SERS study

AuthorsRoldán, María Lorena; Sánchez-Cortés, Santiago ; García-Ramos, José Vicente ; Domingo, Concepción
Issue Date17-May-2013
AbstractIn this work, we have studied the pH-dependence of the formation of DQCB[8] complexes by surface-enhanced Raman scattering (SERS) spectroscopy. The SERS spectra suggest that at acidic pH CB[8] can form a binary complex with the dication DQ+2 while at higher pH ternary complexes with the radical cation dimer (DQ+ )2 and the radical cation–dication dimer(DQ+ DQ+2) are formed. The pH-enhanced diquat (DQ) dimerization inside the cucurbit[8]uril cavity has not been reported until now. In addition, this study provides very valuable information regarding the use of CB[8] functionalized silver nanoparticles as SERS substrate for sensing applications.© Royal Society of Chemistry 2012
Description7 p. : gráf.
Publisher version (URL)http://pubs.rsc.org | doi:10.1039/C2CP23503J
URIhttp://hdl.handle.net/10261/76219
DOI10.1039/C2CP23503J
ISSN1463-9076
Appears in Collections:(CFMAC-IEM) Artículos
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