Graphene Functionalized with Azo Polymer Brushes: Surface‐Initiated Polymerization and Photoresponsive Properties | Zendy

Wang Dongrui | Zendy; Ye Gang | Zendy; Wang Xiaolin | Zendy; Wang Xiaogong | Zendy

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Graphene Functionalized with Azo Polymer Brushes: Surface‐Initiated Polymerization and Photoresponsive Properties

Author(s) -

Wang Dongrui,

Ye Gang,

Wang Xiaolin,

Wang Xiaogong

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201003653

Subject(s) - materials science , graphene , polymer , polymerization , doping , diffraction , surface modification , chemical engineering , nanotechnology , polymer chemistry , optoelectronics , optics , composite material , physics , engineering

Azo polymer brushes (G‐PCN) on graphene nanosheets are prepared through a “grafting‐from” approach. The effect of the graphene nanosheets on photoinduced surface modulation is investigated by irradiating solid films of azo molecular glass (Tr‐Az‐CN) containing the nanosheets with interfering Ar + laser beams. By formation of a surface‐relief grating, a very significant increase in the growth rate and saturated value of the diffraction efficiency is observed for Tr‐Az‐CN doped with G‐PCN at very low content (0.5 wt%).

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