10.1021/acsomega.9b01348.s002 Hao Wang Hao Wang Cong Liu Cong Liu Haiyang Zhan Haiyang Zhan Yahua Liu Yahua Liu Droplet Asymmetric Bouncing on Inclined Superhydrophobic Surfaces American Chemical Society 2019 inclining angle impact Droplet Asymmetric Bouncing impacting contact time reduction superhydrophobic surfaces exhibits retraction Inclined Superhydrophobic Surfaces 2019-07-16 17:38:36 Media https://acs.figshare.com/articles/media/Droplet_Asymmetric_Bouncing_on_Inclined_Superhydrophobic_Surfaces/8939549 A droplet impacting on inclined surfaces yields more complex outcomes than on normal impact and the effect of the inclining angle on the impact dynamics is still in controversy. Here, we show that a drop impacting on inclined superhydrophobic surfaces exhibits an asymmetric rebound with a distinctive spreading and retraction along the lateral and tangential directions. Meanwhile, there is an obvious contact time reduction with the increase of the inclining angle and impact velocity. We demonstrate that the contact time reduction is attributed to the asymmetric drop spreading and retraction, which endows a fast drop detachment. Simple analyses are presented to interpret this phenomenon, which is in a good agreement with the experimental results.