Fig. 3. Microstructure images of sintered AgNP film with different drying methods and the corresponding images processed using MATLAB: (a) dried by hot plate at 50 °C for 10 min and (e) the processed image, (b) dried by NIR with 72 kW m−2 for 50 s and (f) the processed image, (c) dried by NIR with 108 kW m−2 for 20 s and (g) the processed image, (d) sintered by NIR directly and (h) the processed image.
