Enhancing the adhesion strength of ink-jet printed indium tin oxide films: The role of printing parameters

•This study delves into the deposition of ITO and In2O3 films using the innovative ink-jet printing method.•A comprehensive and quantitative analysis of the ink-jet film microstructure is conducted using advanced digital image algorithms.•The adhesion performance of the ink-jet films is evaluated through meticulous microscratch tests.•This study contributes to the thorough understanding of the ink-jet printing process and provides valuable insights for optimizing film performance and advancing related applications.