Skip to main content
. 2021 Sep 27;11:19173. doi: 10.1038/s41598-021-98783-2

Figure 2.

Figure 2

ATR-FTIR spectra of gaseous CO2 in surface nanobubbles and BNBs. The spectrum shows two groups of distinct fine peaks attributed to CO2 gas molecules. The spectrum of BNB suspensions demonstrates the formation of gaseous CO2 bubbles.