2 光子晶体

2012/12/27 1 光子晶体 研究生高分子物理专论-2 纲要  光子晶体基本概念  光子晶体与学科前沿  三维光子晶体  二维光子晶体  一维光子晶体 2012/12/27 2 1光子晶体的基本概念 1.1 基本概念  1987年E.Yablonovitch和S.John 各自独立提出“光 子晶体”的概念  介电常数（折射率）呈周期性变化，以具有光子带隙 为特征的材料  具有某个维度有序周期的阵列结构 2012/12/27 3 1.1 基本概念  自然界中的光子晶体 鲍鱼壳（一维） 蝴蝶翅膀（二维）蛋白石（三维） S. Kinoshita, Chemphyschem, 2005, 6, 1442 1.2 制备 方法 快递客服问题件处理详细方法山木方法pdf计算方法pdf华与华方法下载八字理论方法下载 A  精密机械加工法  半导体制备技术法  胶体自组装法 2012/12/27 4 1.3 光学性质  布拉格衍射方程：  光子禁带 λ：Bragg散射波长； d：晶格参数； neff：各组份的折射率； θ：入射角 2 2 1/ 22 ( sin )sb effk d n   V. L. Colvin, Chem Mater, 1999, 11, 2132 2三维光子晶体 2012/12/27 5 2.1 基本形态  蛋白石结构 Opal  反蛋白石结构 Inverse Opal 2.2 三维光子晶体制备方法 垂直沉积法 自组装 蒸发 弯液面的形成 胶体颗粒 液面下降 基 底 V. L. Colvin, Chem Mater, 1999, 11, 2132 2012/12/27 6 2.2 三维光子晶体制备方法 基 底 灌入聚合物单 体、交联剂等 聚合后，去 除模板分子 A B 2.2 三维光子晶体制备方法  制备新技术 Yanlin Song,* J. Am. Chem. Soc. 2012, 134, 17503 2012/12/27 7 2.2 三维光子晶体制备方法  制备新技术 Yanlin Song,* J. Am. Chem. Soc. 2012, 134, 17503 2.3 三维光子晶体应用的基本原理 某种刺激 光信号变化 2012/12/27 8 2.4 光子晶体在传感器上的应用 15  光子晶体与分子印迹相结合 2.4 光子晶体在传感器上的应用  孔结构 MOF Yi-nan Wu, Fengting Li,* Guangtao Li,* Angew. Chem. Int. Ed. 2011, 50, 12518 2012/12/27 9 2.4 光子晶体在传感器上的应用  孔结构 MOF Yi-nan Wu, Fengting Li,* Guangtao Li,* Angew. Chem. Int. Ed. 2011, 50, 12518 2.5 光子晶体的功能化  与离子液体结合 (A) SiO2 opaline template; (B) Br- as counteranion (C) after the anion exchange with Tf2N-. Jing Huang, Guangtao Li,* Chem. Commun. 2010, 46, 967 2012/12/27 10 2.5 光子晶体的功能化  与离子液体结合 Jing Huang, Guangtao Li,* Chem. Commun. 2010, 46, 967 2.5 光子晶体的功能化  活性反应位点 具有反应活性 活性基元 后化学修饰 活性基元 2012/12/27 11 2.5 光子晶体的功能化  活性反应位点 1,3-Dipolar Cycloaddition Thiol-Ene Diels-Alder Michael Addition Oxime Formation Pyridyl disulfide R1 SH N N N R1 R2 R2 N3 C. J. Hawker, Chem. Rev. 2009, 109, 5620 2.6 光子晶体传感器的器件化  光子晶体球 DSA WSA Vinayak Rastogi ,Orlin D. Velev* ,Adv. Mater. 2008, 20, 4263–4268 2012/12/27 12 2.6 光子晶体传感器的器件化  光子晶体球 Vinayak Rastogi ,Orlin D. Velev* ,Adv. Mater. 2008, 20, 4263–4268 2.6 光子晶体传感器的器件化  光子晶体球 Vinayak Rastogi ,Orlin D. Velev* ,Adv. Mater. 2008, 20, 4263–4268 We observe reductions in the sizes of the colored rings on the supraball surface as the diameter of latex microspheres isincreased from 420nm to 1000 nm. The number of rings also increases with increasing latex diameter. mλ=d × [sin(90-α)+sina(θ-α)] 2012/12/27 13 2.6 光子晶体传感器的器件化  光子晶体球扩展 Vinayak Rastogi ,Orlin D. Velev* , Macromol. Rapid Commun. . 2010, 31, 190–195 2.7 光子晶体的光学耦合应用  DSSC 染料敏化太阳能电池 Thomas E. Mallouk,* J. AM. CHEM. SOC. 2003, 125, 6306-6310 2012/12/27 14 2.7 光子晶体的光学耦合应用  荧光-金属 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 面等离子体增强 Cheng-an Tao, Guangtao Li,* J. Phys. Chem. C. 2011, 115, 20053 3二维光子晶体 2012/12/27 15 3.1 二维光子晶体的制备方法 Sanford A. Asher*, Angew. Chem. Int. Ed. 2012, 51, XXXX 3.1 二维光子晶体的制备方法 Sanford A. Asher*, Angew. Chem. Int. Ed. 2012, 51, XXXX 2012/12/27 16 3.1 二维光子晶体的制备方法 L. Qi, Chem. Mater. 21 (2009) 891 L. Qi, ACS Nano 4 (2010) 4707. B. Yang, Adv. Mater. 21 (2009) 4731. 3.2 2D-PC的应用例子 Bettina V. Lotsch*, Chem. Commun. 2012, 48, 6169 2012/12/27 17 3.2 2D-PC的应用例子 Bettina V. Lotsch*, Chem. Commun. 2012, 48, 6169 4一维光子晶体 2012/12/27 18 4.1 1D-PC 概念 Little attention : because of a lack of dynamic tunability and their dependence on complex top-down techniques for their fabrication. Ongoing developments: The combination of the simple physics behind 1D photonic crystals and the knowledge developed throughout the years on different types of nanomaterials provides great potential for the development of new technologies for many different application areas. Sung Yeun Choi, Geoffrey A. Ozin. Nano. Lett., 2006, 6,2456-2461. 4.1 1D-PC 概念 Leonardo D. Bonifacio, Geoffrey A. Ozin. Adv. Mater. 2009, 21, 1641–1646. ݉ߣ୫ୟ୶ = 2(݊୐݄୐ ൅ ݊ୌ݄ୌ) ݉ is the diffraction order, ݄୐ and ݄ୌ are the thicknesses of the low- and high- refractive- index materials, and ݊୐ and݊ୌ are the respective refractive indices. ᇞ ߱ ൌ 4߱୫ୟ୶ߨ sin ିଵ ݊୐ െ ݊ୌ ݊୐ ൅ ݊ୌ ߱୫ୟ୶ ൌ 2ߨܿ ߣ୫ୟ୶⁄ ,with c being the speed of light in vacuum. ܴ ൌ ݊଴ െ ݊ୱ ݊୐ ݊ୌ⁄ ଶே ݊଴ ൅ ݊ୱ ݊୐ ݊ୌ⁄ ଶே ଶ ݊଴ and ݊ୱ are the refractive indices of the surrounding environment and of the substrate, respectively and N is the number of bilayers. These equations are a useful starting point for the design of BSs and provide the basis for the development of applications based on structural color tuning. 2012/12/27 19 Leonardo D. Bonifacio, Geoffrey A. Ozin. Adv. Mater. 2009, 21, 1641–1646. 4.1 1D-PC 概念 – 调节 pH-Gated Porosity Transitions of Polyelectrolyte Multilayers in Confined Geometries and Their Application as Tunable Bragg Reflectors Lei Zhai, M. F. Rubner . Macromolecules. 2004, 37, 6113-6123. Figure 1. AFM images of a porous (PAH/PAA)8.5 film (X: 0.2 µm/div; Z: 200 nm/div). poly(acrylic acid) (PAA), poly(allylamine hydrochloride) (PAH) poly(sodium 4-styrenesulfonate)(SPS) Dip-coating PAH/PAA PAH/SPS 4.1 1D-PC概念 - 最早例子 2012/12/27 20 Lei Zhai, M. F. Rubner . Macromolecules. 2004, 37, 6113-6123. Broad-wavelength-range chemically tunable block-copolymer photonic gels Edwin.L. Thomas.Nat. Mater. 2007, 6, 957-960. 4.2 应用例子 - 1 2012/12/27 21 Edwin.L. Thomas.Nat. Mater. 2007, 6, 957-960. Edwin.L. Thomas.Nat. Mater. 2007, 6, 957-960. 2012/12/27 22 Bioinspired Electrochemically Tunable Block Copolymer Full Color Pixels Edwin L. Thomas. Adv. Mater. 2009, 21, 3078– 4.2 应用例子 -2 Edwin L. Thomas. Adv. Mater. 2009, 21, 3078–3081. 2012/12/27 23 Vapor Deposition of Hybrid Organic–Inorganic Dielectric Bragg Mirrors having Rapid and Reversibly Tunable Optical Reflectance Mustafa Karaman, Karen K. Gleason. Chem. Mater. 2008, 20, 2262–2267. Figure 5. Hybrid Bragg structures deposited on various substrates: (a) microscope glass (2.5 × 5 cm), (b) quartz (2 cm in diameter), (c) polycarbonate (2 × 5 cm), and (d) red paper (1.5 × 3 cm). 4.2 应用例子 -3 Mustafa Karaman, Karen K. Gleason. Chem. Mater. 2008, 20, 2262–2267. 2012/12/27 24 4.2 应用例子-4 Herna´n Míguez.* J. Phys. Chem. C, 2009, 131 1150. Experimental Demonstration of the Mechanism of Light Harvesting Enhancement in Photonic-Crystal-Based Dye-Sensitized Solar Cells THANKS!