Core-Shell Particles for Simultaneous 3D Imaging and Optical Tweezing in Dense Colloidal Materials

Yanyan Liu, Kazem V Edmond, Arran Curran, Charles Bryant, Bo Peng, Dirk G A L Aarts, Stefano Sacanna, and Roel P A Dullens

Adv. Mater. 2016 28 8001

A new colloidal system that consists of core-shell "probe" particles embedded in an optically transparent "host" particle suspension is developed. This system enables simultaneous fast confocal imaging and optical tweezing in dense 3D colloidal materials.