Abstract
Hydrogenated SnO2 nanoparticles (H:SNPs) were prepared on fluorinated tin oxide covered glass using reduction and hydrogenation technologies with TiO2 sol. By adjusting the hydrogenated temperature over the range of 400–550 °C, the H:SNPs were uniformly embedded in the TiO2 film, exhibiting the ability to precisely control their density and size using this method. Simultaneously, their band structures were modified, resulting in a reduced work function and an increased electrical conductivity. Hence, the optimized H:SNPs prepared at 500 °C showed excellent field emission (FE) performances, with both a low turn-on field of 3.81 V/μm and remarkable FE stability over a 480-min period.
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