Advanced Materials

Cover image for Vol. 29 Issue 24

Early View (Online Version of Record published before inclusion in an issue)

  1. Communications

    1. Spatiotemporally Controllable Peptide-Based Nanoassembly in Single Living Cells for a Biological Self-Portrait

      Yuanyuan Zhao, Xu Zhang, Zhipeng Li, Shuaidong Huo, Ke Zhang, Juntao Gao, Hao Wang and Xing-Jie Liang

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201601128

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      When activated by an enzyme, a synthesized cell-permeable probe forms biomolecule-anchored complexes and thus simultaneously evaluates the real-time location and bioactivity of the enzyme in single live cells. This simple and direct method can be used to monitor single-cell dynamic self-assembly processes in vitro and in vivo, which may provide new insights into previously undiscovered biological processes.

  2. Reviews

    1. Fully-Inorganic Trihalide Perovskite Nanocrystals: A New Research Frontier of Optoelectronic Materials

      Xianghong He, Yongcai Qiu and Shihe Yang

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201700775

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      The fundamental aspects of fully-inorganic trihalide perovskite nanocrystals as a new class of superstar semiconductors are briefly reviewed. In addition to excellent optoelectronic properties and broad range of applications, the controllable fabrication strategies, structure transformation and stability are comprehensively discussed. Some sugestions for improving the nanomaterials and device performance and potential development of this area in the near future are also proposed.

  3. Communications

    1. Epitaxial Lift-Off of Centimeter-Scaled Spinel Ferrite Oxide Thin Films for Flexible Electronics

      Lvkang Shen, Liang Wu, Quan Sheng, Chunrui Ma, Yong Zhang, Lu Lu, Ji Ma, Jing Ma, Jihong Bian, Yaodong Yang, Aiping Chen, Xiaoli Lu, Ming Liu, Hong Wang and Chun-Lin Jia

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201702411

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      Flexible centimeter-scaled single-crystalline spinel ferrite oxide thin films are transferred onto plastic substrates using a simple method. The transferred thin films exhibit not only excellent fatigue property but also stable magnetic properties even under various bend status. The results provide evidence for a practical way to transfer target single-crystalline functional oxide thin films onto flexible substrates for applications in flexible and wearable electronics.

    2. A Retina-Like Dual Band Organic Photosensor Array for Filter-Free Near-Infrared-to-Memory Operations

      Hanlin Wang, Hongtao Liu, Qiang Zhao, Zhenjie Ni, Ye Zou, Jie Yang, Lifeng Wang, Yanqiu Sun, Yunlong Guo, Wenping Hu and Yunqi Liu

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201701772

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      Using organic dye materials—both molecular and polymeric—a retina-like, filter-free photosensor with a near infrared (NIR) signal to nonvolatile memory is realized. The device features an integration of photosensing elements and floating-gate memories, and is capable of distinguishing 550-nm light and 850-nm light by a bimodal operation. This result provides innovation for intelligent photosensors with acute wavelength selectivity.

    3. Bilayer PbS Quantum Dots for High-Performance Photodetectors

      Zhenwei Ren, Jiankun Sun, Hui Li, Peng Mao, Yuanzhi Wei, Xinhua Zhong, Jinsong Hu, Shiyong Yang and Jizheng Wang

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201702055

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      A bilayer lead-sulfide-quantum-dot-only photodetector is designed, which significantly outperforms conventional single-layer devices in response speed, detectivity, linear dynamic range, and signal-to-noise ratio. Careful investigation finds that junction-controlled carrier separation and recombination is responsible for the superiority of the bilayer device. The bilayer devices also signal their great potential in future flexible optoelectronics.

    4. High-Energy/Power and Low-Temperature Cathode for Sodium-Ion Batteries: In Situ XRD Study and Superior Full-Cell Performance

      Jin-Zhi Guo, Peng-Fei Wang, Xing-Long Wu, Xiao-Hua Zhang, Qingyu Yan, Hong Chen, Jing-Ping Zhang and Yu-Guo Guo

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201701968

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      A high-voltage sodium-super-ion-conductor-type cathode significantly enhances the energy density of sodium-ion batteries. Its low-strain crystal lattice during the successive (de-)sodiation and superior Na transport kinetics promise high-rate capabilities, long-term cycle life, superior low-temperature performance, and excellent full-cell performance, providing a preview of their practical applications.

    5. Generalized Synthesis of Metal Oxide Nanosheets and Their Application as Li-Ion Battery Anodes

      Ayman A. AbdelHamid, Yue Yu, Jinhua Yang and Jackie Y. Ying

      Version of Record online: 22 JUN 2017 | DOI: 10.1002/adma.201701427

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      Metal oxide nanosheets are synthesized using a graphene oxide planar-confined growth strategy, which employs graphene oxide sheets as 2D templates. The synthesis method is general and versatile, as demonstrated by the wide range of oxides and doped oxides created, and the controllable properties. The oxide nanosheets have very promising performance as Li-ion battery anodes.

    6. Chiral Responsive Liquid Quantum Dots

      Jin Zhang, Junkai Ma, Fangdan Shi, Demei Tian and Haibing Li

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201700296

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      Highly fluorescent, selectively chiral-responsive liquid quantum dots (QDs) are developed, which exhibit a chiral-selective response toward (1R, 2S)-2-amino-1,2-diphenyl ethanol. It is anticipated that this study will facilitate the construction of smart chiral fluidic sensors. More importantly, the liquid QDs can become an attractive material for chiral separation.

    7. Selective Growth of Metal-Free Metallic and Semiconducting Single-Wall Carbon Nanotubes

      Lili Zhang, Dong-Ming Sun, Peng-Xiang Hou, Chang Liu, Tianyuan Liu, Jianfeng Wen, Nujiang Tang, Jian Luan, Chao Shi, Jin-Cheng Li, Hong-Tao Cong and Hui-Ming Cheng

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201605719

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      Semiconducting and metallic single-wall carbon nanotubes (SWCNTs) are controllably synthesized using silicon oxide nanoparticles with tuned oxygen deficiencies as a catalyst. Totally metal-free, all-SWCNT thin-film transistors are fabricated using the as-grown semiconducting and metallic SWCNTs as channel and source/drain electrodes, respectively, which demonstrates desirable overall performance.

    8. Controlling the Photonic Properties of Cholesteric Cellulose Nanocrystal Films with Magnets

      Bruno Frka-Petesic, Giulia Guidetti, Gen Kamita and Silvia Vignolini

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201701469

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      Commercial magnets can be used to control the optical properties of cholesteric cellulose nanocrystals films, resulting in photonic structures with an unprecedented photonic response. This striking effect unlocks new possibilities in the already broad range of photonic applications of such systems; from colorants, to sensors and security devices.

    9. Flash Light Millisecond Self-Assembly of High χ Block Copolymers for Wafer-Scale Sub-10 nm Nanopatterning

      Hyeong Min Jin, Dae Yong Park, Seong-Jun Jeong, Gil Yong Lee, Ju Young Kim, Jeong Ho Mun, Seung Keun Cha, Joonwon Lim, Jun Soo Kim, Kwang Ho Kim, Keon Jae Lee and Sang Ouk Kim

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201700595

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      Wafer-scale millisecond level directed self-assembly of high-χ block copolymers (BCPs) are successfully demonstrated by photothermal effect of achromatic flash light. Milliseconds-duration extremely high-temperature (≈600 °C) process near the order–disorder transition temperature (TODT) of high-χ BCPs enables extraordinary grain growth without noticeable thermal degradation even in atmospheric conditions.

    10. Amino-Functionalized ZIF-7 Nanocrystals: Improved Intrinsic Separation Ability and Interfacial Compatibility in Mixed-Matrix Membranes for CO2/CH4 Separation

      Long Xiang, Luqian Sheng, Chongqing Wang, Lixiong Zhang, Yichang Pan and Yanshuo Li

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201606999

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      Amino-functionalized zeolitic imidazolate framework-7 (ZIF-7-NH2) nanocrystals fabricated from a mixed-linker strategy exhibit enlarged aperture size and enhanced CO2 uptake capacity compared to the original ZIF-7 structure. Incorporation of these fillers into a poly(ethylene oxide)-based rubbery polymer membrane can significantly improve the gas permeability, selectivity, and plasticization-resistant properties. The developed novel ZIF structure and the resulting hybrid membranes are very attractive for natural-gas sweetening or biogas purification.

    11. Growth of Au Nanoparticles on 2D Metalloporphyrinic Metal-Organic Framework Nanosheets Used as Biomimetic Catalysts for Cascade Reactions

      Ying Huang, Meiting Zhao, Shikui Han, Zhuangchai Lai, Jian Yang, Chaoliang Tan, Qinglang Ma, Qipeng Lu, Junze Chen, Xiao Zhang, Zhicheng Zhang, Bing Li, Bo Chen, Yun Zong and Hua Zhang

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201700102

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      Inspired by the multiple functions of natural multienzyme systems, hybrid nanosheets are designed and synthesized, i.e., ultrasmall Au nanoparticles are grown on 2D metalloporphyrinic metal-organic framework nanosheets. Since nanosheets can act as the peroxidase mimics and Au nanoparticles can serve as artificial glucose oxidase, the hybrid nanosheets are used to mimic the natural enzymes and catalyze the cascade reactions.

    12. Chemical Vapor Deposition of Bernal-Stacked Graphene on a Cu Surface by Breaking the Carbon Solubility Symmetry in Cu Foils

      Min Seok Yoo, Hyo Chan Lee, Siyoung Lee, Seon Baek Lee, Nam-Suk Lee and Kilwon Cho

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201700753

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      A synthetic approach for Bernal-stacked multilayer graphene on Cu foil via chemical vapor deposition is proposed. Uniform Bernal-stacked graphene is synthesized on a large-area by depositing carbon reservoir on the backside of Cu foil. The resulting graphene exhibits a tunable bandgap under vertical electric fields.

    13. You have full text access to this OnlineOpen article
      Bis-Tridentate Ir(III) Metal Phosphors for Efficient Deep-Blue Organic Light-Emitting Diodes

      Hsin-Hung Kuo, Yi-Ting Chen, Leon R. Devereux, Chung-Chih Wu, Mark A. Fox, Chu-Yun Kuei, Yun Chi and Gene-Hsiang Lee

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201702464

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      A deep-blue organic light-emitting diode (OLED) from one bis-tridentate Ir(III) phosphor 5 exhibits CIE(x,y) coordinates of (0.15, 0.17) with maximum external quantum efficiency (max. EQE) of 20.7% and EQE = 14.6% at the practical brightness of 100 cd m−2.

    14. Antipulverization Electrode Based on Low-Carbon Triple-Shelled Superstructures for Lithium-Ion Batteries

      Lianhai Zu, Qingmei Su, Feng Zhu, Bingjie Chen, Huanhuan Lu, Chengxin Peng, Ting He, Gaohui Du, Pengfei He, Kai Chen, Shihe Yang, Jinhu Yang and Huisheng Peng

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201701494

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      SnO2 triple-shelled hollow superstructures with a low carbon content (4.83%) can withstand a huge volume expansion of ≈231.8% and deliver a high reversible capacity of 1099 mAh g−1 even after 1450 cycles, due to their self-synergistic structure-preservation behavior that protects the superstructures from collapse and guarantees the electrode structural integrity during long-term cycling.

    15. Rational Design of Na(Li1/3Mn2/3)O2 Operated by Anionic Redox Reactions for Advanced Sodium-Ion Batteries

      Duho Kim, Maenghyo Cho and Kyeongjae Cho

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201701788

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      Inspired by Li2MnO3 redox reactions, Na(Li1/3Mn2/3)O2 operated by anionic redox reactions (labile lone-pair O) is rationally designed based on the site preference of Na in the Li sites of Li2MnO3 for high-energy-density cathodes. Na(Li1/3Mn2/3)O2 shows high redox potentials (≈4.2 V vs Na/Na+) with high charge capacity (190 mAh g−1), utilizing O2−/O anionic redox with the fixed Mn4+ during desodiation.

    16. Highly Stretchable, Shape Memory Organohydrogels Using Phase-Transition Microinclusions

      Ziguang Zhao, Kangjun Zhang, Yuxia Liu, Jiajia Zhou and Mingjie Liu

      Version of Record online: 21 JUN 2017 | DOI: 10.1002/adma.201701695

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      Highly stretchable, shape memory organohydrogels that feature binary cooperative phase are fabricated by utilizing a synergistic strategy. The phase-transition micro-organogels and elastic hydrogel framework act synergistically to provide excellent thermomechanical performance and shape memory effect. During shape memory process, the organohydrogels exhibit simple processing, smart surface patterning, and multiple shape memory effects. Meanwhile, nonswellable capacity can be realized.

    17. Sequentially Responsive Shell-Stacked Nanoparticles for Deep Penetration into Solid Tumors

      Jinjin Chen, Jianxun Ding, Yucai Wang, Jianjun Cheng, Shengxiang Ji, Xiuli Zhuang and Xuesi Chen

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/adma.201701170

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      A shell-stacked nanoparticle (SNP), which can undergo remarkable size reduction and surface charge reversal in acidic condition in tumor tissue, is constructed for enhanced tumor penetration and cell uptake in deep tumor tissue. The SNP exhibits about four times penetration depth into A549 tumors compared with that of the nontransformable one, substantiating the importance of the design of size and charge dual-transformability.

    18. “The Easier the Better” Preparation of Efficient Photocatalysts—Metastable Poly(heptazine imide) Salts

      Zupeng Chen, Aleksandr Savateev, Sergey Pronkin, Vasiliki Papaefthimiou, Christian Wolff, Marc Georg Willinger, Elena Willinger, Dieter Neher, Markus Antonietti and Dariya Dontsova

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/adma.201700555

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      Mesocrystalline sodium poly(heptazine imide) is directly obtained by the solid-state reaction of melamine with excess sodium chloride. The product structure is confirmed by in-depth characterization and simulations. This novel carbon nitride related material is shown to be a highly active photocatalyst for degradation of a model dye and hydrogen evolution using aqueous glycerol solution upon visible-light irradiation.

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