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  1. Using Intrinsic Intracrystalline Tunnels for Near-Infrared and Visible-Light Selective Electrochromic Modulation

    Zhen Wang, Qingzhu Zhang, Shan Cong, Zhigang Chen, Jinxiong Zhao, Mei Yang, Zuhui Zheng, Sha Zeng, Xuwen Yang, Fengxia Geng and Zhigang Zhao

    Version of Record online: 27 APR 2017 | DOI: 10.1002/adom.201700194

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    Intrinsic intracrystalline tunnels in electrochromic materials are utilized to facilitate the accommodation and transportation of insertion ions. Such simply fabricated composite materials exhibit excellent dual-band electrochromic performance with an unprecedented dynamic optical range for modulation of visible and near-infrared (NIR) light, up to 71.2% at 633 nm and 64.8% at 1600 nm, respectively.

  2. Chiral Nanostructured CuO Films with Multiple Optical Activities

    Yiwen Qian, Yingying Duan and Shunai Che

    Version of Record online: 27 APR 2017 | DOI: 10.1002/adom.201601013

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    Optically active chiral CuO nanofilms are fabricated on an activated quartz substrate through a versatile hydrothermal synthesis method. Tertiary helically arranged “nanopetals” are assembled from secondary helically stacking “nanoplates”. The primary twisting chiral nanostructure of the nanoplates is revealed by their optical responses. Originating from hierarchical chirality, the CuO nanofilms exhibit both electron transition absorption-based and reflection-based optical activities.

  3. Time-Resolved Pump–Probe Measurement of Optical Rotatory Dispersion in Chiral Metamaterial

    Jae Heun Woo, Boyoung Kang, Minji Gwon, Ji Hye Lee, Dong-Wook Kim, William Jo, Dong Ho Kim and Jeong Weon Wu

    Version of Record online: 27 APR 2017 | DOI: 10.1002/adom.201700141

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    Time-resolved pump–probe experiment is performed to measure ultrafast optical rotatory dispersion in a chiral metamaterial. Using a circularly polarized light pump beam, it is clarified that sub-picosecond hot electron dynamics carries information regarding the handedness of chiral metallic inclusion of chiral metamaterial. Once thermalized, the transient optical rotatory dispersion is found to be independent of pump beam circularly polarized light helicity.

  4. Dispersion Topological Darkness at Multiple Wavelengths and Polarization States

    Haomin Song, Nan Zhang, Jiyuan Duan, Zhejun Liu, Jun Gao, Matthew H. Singer, Dengxin Ji, Alec R. Cheney, Xie Zeng, Borui Chen, Suhua Jiang and Qiaoqiang Gan

    Version of Record online: 27 APR 2017 | DOI: 10.1002/adom.201700166

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    Reflectionless thin film systems, with a large tolerance on fabrication errors and surface roughness, are realized using directly deposited thin films or random metal nanoparticles. Moreover, a broad absorption band is achieved by tuning the effective optical constants of the top absorbing layer. Remarkably, the system can realize multiwavelength zero-reflection points for both polarization states on the same chip.

  5. Hot-Electron-Mediated Photochemical Reactions: Principles, Recent Advances, and Challenges

    Minho Kim, Mouhong Lin, Jiwoong Son, Hongxing Xu and Jwa-Min Nam

    Version of Record online: 24 APR 2017 | DOI: 10.1002/adom.201700004

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    Hot electron-mediated photochemical reactions that transform light into useful chemical energy are of particular interest. This progress report covers the up-to-date knowledge in theory and mechanism of plasmonic hot-electron dynamics and the structural design of high-efficiency photocatalyst. Recent advances and perspectives in hot-electron-induced chemical reactions are also introduced and discussed.

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