writer：Liu, L.; Liu, M.; Deng, L.; Lin, B.; Yang, H.*
keywords：liquid crystal, elastomer
source：期刊
specific source：Journal of the American Chemical Society, 2017, 139, 11333-11336.
Issue time：2017年

In this Communication, we develop a twostep acyclic diene metathesis in situ polymerization/crosslinking method to synthesize uniaxially aligned main-chain liquid crystal elastomers with chemically bonded nearinfrared absorbing four-alkenyl-tailed croconaine-core cross-linkers. Because of the extraordinary photothermal conversion property, such a soft actuator material can raise its local temperature from 18 to 260 °C in 8 s, and lift up burdens 5600 times heavier than its own weight, under 808 nm near-infrared irradiation.