The existence and stability of bulk nanobubbles: a long-standing dispute on the experimentally observed mesoscopic inhomogeneities in aqueous solutions

Changsheng Chen(陈昌盛),Jing Li(李敬),Xianren Zhang(张现仁)

Figure 2. The zeta potential model diagram. The negative charges on bubble surfaces prevent adjacent nanobubbles from coalescing, which encourages them to stabilize.