Journal
FARADAY DISCUSSIONS
Volume 205, Issue -, Pages 505-515Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7fd00147a
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Funding
- UK's Engineering and Physical Sciences Research Council [EP/L027151/1, EP/K028510/1, EP/L015978/1, EP/N020669/1]
- European Research Council [LINASS 320503, MSCA-IF-2015-EF SPARCLEs 7020005, 658360]
- St. John's College
- Winton Programme for the Physics of Sustainability
- UK National Physical Laboratories
- Leverhulme Trust
- Engineering and Physical Sciences Research Council [EP/K028510/1, EP/G060649/1, 1352498, EP/H007024/1, EP/L027151/1] Funding Source: researchfish
- EPSRC [EP/G060649/1, EP/L027151/1, EP/N020669/1, EP/H007024/1, EP/K028510/1] Funding Source: UKRI
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Rigid gap nano-aggregates of Au nanoparticles formed using cucurbit[n]uril (CB[n]) molecules are used to investigate the competitive binding of ethanol and methanol in an aqueous environment. We show it is possible to detect as little as 0.1% methanol in water and a ten times higher affinity to methanol over ethanol, making this a useful technology for quality control in alcohol production. We demonstrate strong interaction effects in the SERS peaks, which we demonstrate are likely from the hydrogen bonding of water complexes in the vicinity of the CB[n]s.
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