Fig. 5From: Ag Nanoparticles Sensitized In2O3 Nanograin for the Ultrasensitive HCHO Detection at Room Temperaturea TEM image of 5%Ag-In2O3 samples. b, c HRTEM images of 5%Ag-In2O3 samples. d EDS spectra pattern of 5%Ag-In2O3 samples. e–h The EDS mapping picture of O, In, and Ag elements of 5%Ag-In2O3 samplesBack to article page