As the most common but indispensable matter to humankind, water usually stays in a
macroscopically electric neutral state. Due to its inherent molecular polarity, however, water …

Harvesting water energy in various forms of water motion, such as evaporation, raindrops,
river flows, ocean waves, and other, is promising to relieve the global energy crisis and …

Wettability significantly influences various surface interactions and applications at the liquid–
solid interface. However, the understanding is complicated by the intricate charge exchange …

Water drops moving on surfaces are not only an everyday phenomenon seen on windows
but also form an essential part of many industrial processes. Previous understanding is that …

The past several years have witnessed the rapid development in effectively transforming
randomly distributed water kinetic energy into electrical energy, especially triggered by the …

Various physical tweezers for manipulating liquid droplets based on optical, electrical,
magnetic, acoustic, or other external fields have emerged and revolutionized research and …

Strategies toward harvesting energy from water movements are proposed in recent years.
Reverse electrowetting allows high efficiency energy generation, but requires external …

Harvesting water kinetic energy is a prospective way to obtain sustainable power. However,
conventional water energy harvesting technologies are restricted by specific operating …

We use a combination of high-speed video imaging and electrical measurements to study
the direct conversion of the impact energy of water drops falling onto an electrically …

Liquid-solid contact electrification (CE) is essential to diverse applications. Exploiting its full
implementation requires an in-depth understanding and fine-grained control of charge …