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Effect of nanointegration on photoinduced hydrogen-generating nanogel systems
Kosuke Okeyoshi1, Daisuke Suzuki, Ryo Yoshida
1Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-8656, Japan.
Abstract:
The nanointegration mechanism for photoinduced hydrogen nanogenerators using nanogels is described. By spatially integrating poly(N-isopropylacrylamide-co-Ru(bpy)(3)) nanogels as a photosensitizer and Pt nanoparticles as a catalyst, a mechanism using electrostatic interactions and the shrinking behavior of the thermosensitive polymer network is revealed. In addition, to evaluate the sensitivity to exterior energy, light, and heat, the integrated nanospace is controlled by using thermosensitive nanogels, which drastically shrink above the volume phase transition temperature. Such nanospatial control of multiple kinds of functional molecules in a photochemical reaction is important for the realization of artificial photosynthetic systems.
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