Advanced Materials

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Recently Published Articles

  1. The Impact of Phase Retention on the Structural and Optoelectronic Properties of Metal Halide Perovskites

    Anna Osherov, Eline M. Hutter, Krzysztof Galkowski, Roberto Brenes, Duncan K. Maude, Robin J. Nicholas, Paulina Plochocka, Vladimir Bulović, Tom J. Savenije and Samuel D. Stranks

    Version of Record online: 19 OCT 2016 | DOI: 10.1002/adma.201604019

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    The extent to which the soft structural properties of metal halide perovskites affect their optoelectronic properties is unclear. X-ray diffraction and micro-photoluminescence measurements are used to show that there is a coexistence of both tetragonal and orthorhombic phases through the low-temperature phase transition, and that cycling through this transition can lead to structural changes and enhanced optoelectronic properties.

  2. Fabrication of RNA 3D Nanoprisms for Loading and Protection of Small RNAs and Model Drugs

    Emil F. Khisamutdinov, Daniel L. Jasinski, Hui Li, Kaiming Zhang, Wah Chiu and Peixuan Guo

    Version of Record online: 19 OCT 2016 | DOI: 10.1002/adma.201603180

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    Constructing containers with defined shape and size to load and protect therapeutics and subsequently control their release in the human body has long been a dream. The fabrication of 3D RNA prisms, characterized by atomic force microscopy, cryo-electron microscopy, dynamic light scattering, and polyacrylamide gel electrophoresis, is reported for the loading and protection of small molecules, proteins, small RNA molecules, and their controlled release.

  3. Spontaneous Electroless Galvanic Cell Deposition of 3D Hierarchical and Interlaced S–M–S Heterostructures

    Chuan Fu Tan, Siti Aishah Bte Azmansah, Hai Zhu, Qing-Hua Xu and Ghim Wei Ho

    Version of Record online: 19 OCT 2016 | DOI: 10.1002/adma.201604417

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    One-pot electroless galvanic cell deposition of a 3D hierarchical semiconductor–metal–semiconductor interlaced nanoarray is demonstrated. The fabricated 3D photoanode deviates from the typical planar geometry, aims to optimize effective surface area for light harvesting and long-range charge transfer-collection pathways.

  4. Resonantly Increased Optical Frequency Conversion in Atomically Thin Black Phosphorus

    Manuel J. L. F. Rodrigues, Christiano J. S. de Matos, Yi Wei Ho, Hélder Peixoto, Rafael E. P. de Oliveira, Hsin-Yu Wu, Antonio H. Castro Neto and José Viana-Gomes

    Version of Record online: 18 OCT 2016 | DOI: 10.1002/adma.201603119

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    Optical frequency conversion via the nonlinear effect of third harmonic generation is shown to be resonantly enhanced in few-layer black phosphorus. This feature is believed to be a consequence of exciton-related resonance, as the enhancement is strongly correlated with the observation of exciton-recombination photoluminescence. Few-layer thicknesses are obtained both via mechanical exfoliation and laser thinning.

  5. Graphene-β-Ga2O3 Heterojunction for Highly Sensitive Deep UV Photodetector Application

    Wei-Yu Kong, Guo-An Wu, Kui-Yuan Wang, Teng-Fei Zhang, Yi-Feng Zou, Dan-Dan Wang and Lin-Bao Luo

    Version of Record online: 17 OCT 2016 | DOI: 10.1002/adma.201604049

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    A deep UV light photodetector is assembled by coating multilayer graphene on beta-gallium oxide (β-Ga2O3) wafer. Optoelectronic analysis reveals that the heterojunction device is virtually blind to light illumination with wavelength longer than 280 nm, but is highly sensitive to 254 nm light with very good stability and reproducibility.