Nanoscale chemical identification using standard FTIR vibrational fingerprints
Patented nano-FTIR spectroscopy can simultaneously measure high-quality broadband IR absorption and reflectance spectra with unprecedented 10 nm spatial resolution , speed and sensitivity . nano-FTIR spectra are in excellent agreement with conventional IR spectra , allowing for a routine automated chemical identification according to standard databases .
conv . FT-IR
E inc
Reflectance Absorption
E det standard FTIR standard FTIR
PC 10 ยต m spatial resolution nano-FTIR
E det
E inc |
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C-O-C |
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nano-FTIR |
C-O-C |
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nano-FTIR |
PC |
C = C |
C = O |
C = C |
C = O |
10 nm spatial resolution
1000 1250 1500 1750 2000 1000 1250 1500 1750 2000 Wavenumber [ cm -1 ] Wavenumber [ cm -1 ] nano-FTIR analyses chemical composition at 10 nm scale .
N . Kotov et al ., Carbohydrate Polymers 2023 , 302 , 120320
A . Oancea et al ., NPJ Mat Degrad . 2023 , 7 , 21