Tip-enhanced infrared(IR)spectra and imaging have been widely used in cutting-edge studies for the in-depth understanding of the composition,structure,and function of interfaces at the nanoscale.However,molecular mono...Tip-enhanced infrared(IR)spectra and imaging have been widely used in cutting-edge studies for the in-depth understanding of the composition,structure,and function of interfaces at the nanoscale.However,molecular monolayer sensitivity has only been demonstrated at solid/gas interfaces.In an aqueous environment,reduced sensitivity limits the practical applications of tip-enhanced IR nanospectroscopy.Here,we present an approach to hypersensitive nanoscale IR spectra and imaging in an aqueous environment with a combination of photoinduced force(PiF)microscopy and resonant antennas.展开更多
基金supported by grants from the National Key Research and Development Program of China(no.2017YFA0206500)the National Natural Science Foundation of China(no.21635004,22004069)+1 种基金the Excellent Research Program of Nanjing University(no.ZYJH004)the State Key Laboratory of Analytical Chemistry for Life Science(no.5431ZZXM2001).
文摘Tip-enhanced infrared(IR)spectra and imaging have been widely used in cutting-edge studies for the in-depth understanding of the composition,structure,and function of interfaces at the nanoscale.However,molecular monolayer sensitivity has only been demonstrated at solid/gas interfaces.In an aqueous environment,reduced sensitivity limits the practical applications of tip-enhanced IR nanospectroscopy.Here,we present an approach to hypersensitive nanoscale IR spectra and imaging in an aqueous environment with a combination of photoinduced force(PiF)microscopy and resonant antennas.
