fig13
Figure 13. Properties of CNTs-filled sensors for NO2 gas (Reproduced with permission[166]. Copyright 2020, The Royal Society of Chemistry): (A and B) Photoemission spectra of Ni@sCNTs and Ni@mCNTs, respectively. (C and D) Recovery time of Ni@sCNTs and Ni@mCNTs, respectively. (E and F) Fermi level density offset plot for Ni@sCNTs and Ni@mCNTs, respectively.
