By applying temperature gradient on the temperature-responsive wettablitity surface of block copolymer, water droplet movement by the nonmechanical origin forces is realized on the surface with high hysteresis, due to the binary collaboration effect of wettability gradient force and Marangoni force. The results help to understand the motion of droplets on the surface with high hysteresis and also provide potential application in microfluidic devices.
- Yongping Hou
- Baolong Xue
- Lei Jiang
