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1、6. 仿生材料,Nanoporous materials (纳米多孔材料), Nano-surface materials (纳米界面材料),Structure is more important than electronic property,Learning from Nature; Self-assembly (自组装) and Nanocasting (纳米铸造),Microporous Materials (微孔材料),MicroporousMaterials MOFs (金属有机骨架结构),Mesoporous Materials (介孔材料),Aerogels (气凝胶),Ma
2、croporous Materials (大孔材料),“ If only were possible to make materials in which electromagnetically waves cannot propagate at certain frequencies, all kinds of almost-magical things would happen”,Sir John Maddox, Nature (1990),Two Fundamental Optical Principles Localization of Light S. John, Phys. Rev
3、. Lett. 58,2486 (1987) Inhibition of Spontaneous Emission E. Yablonovitch, Phys. Rev. Lett. 58 2059 (1987),Photonic crystals: periodic dielectric structures. interact resonantly with radiation with wavelengths comparable to the periodicity length of the dielectric lattice. dispersion relation strong
4、ly depends on frequency and propagation direction may present complete band gaps Photonic Band Gap (PBG) materials.,Guide and confine light without losses Novel environment for quantum mechanical light-matter interaction A rich variety of micro- and nano-photonics devices,Hernn Mguez et,al. Adv. Mat
5、er. 2006, 18, 22442249,Photonic Crystals complex dielectric environment that controls the flow of radiation designer vacuum for the emission and absorption of radiation,Photonic Crystals: Opportunities,Passive devices dielectric mirrors for antennas micro-resonators and waveguides Active devices low
6、-threshold nonlinear devices microlasers and amplifiers efficient thermal sources of light Integrated optics controlled miniaturisation pulse sculpturing,Nano-surface materials (纳米界面材料) Biomimetic Materials (仿生材料) and Biomimetics,lotus effect (荷叶效应),Biomimetics: The study of the structure and functi
7、on of biological systems as models for the design and engineering of materials.,Biology inspiration of human innovation,Broadband and omnidirectional anti-reflection with biomimetic silicon nanostructures,Y.F. Huang, S. Chattopadhyay, Y.J. Jen, C.Y. Peng, T.A. Liu, Y.K. Hsu, C.L. Pan, H.C. Lo, C.H.
8、Hsu, Y.H. Chang, C.S. Lee, K. H. Chen and L. C. Chen,Nature Nanotechnology 2: 770-774 (2007),Si nanotip arrays fabricated in the laboratory can mimic moth eye and surpass its function in anti-reflection.,Do you recognise this ?,Gecko + Mollusk = Super Glue,The Mecedes-Benz Bionic Car Concept 2007 wa
9、s inspired in the boxfish be due his anatomic characteristics.,Nastic structures plants as a mimicking model,Artificial Organs,DARPA funded prosthetic arms,Multiple locomotion capabilities,Inspiring multi-tasking using scalable autonomous robot colonies,Smart Toys,Turning chemistry to actuation,MEchanical MIrroring using Controlled stiffness and Actuators,The First Armwrestling Contest March 7, 2005,