Photoactuators for Direct Optical-to-Mechanical Energy Conversion: From Nanocomponent Assembly to Macroscopic Deformation Hu, Ying ; Li, Zhe ; Lan, Tian ; Chen, Wei Abstract Publication: Advanced Materials Pub Date: December 2016 DOI: 10.1002/adma.201602685 Bibcode: 2016AdM....2810548H