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Recently Published Articles

  1. Transient Absorption Measurements on Anisotropic Monolayer ReS2

    Qiannan Cui, Jiaqi He, Matthew Z. Bellus, Mirzojamshed Mirzokarimov, Tino Hofmann, Hsin-Ying Chiu, Matthew Antonik, Dawei He, Yongsheng Wang and Hui Zhao

    Article first published online: 28 AUG 2015 | DOI: 10.1002/smll.201501668

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    Transient absorption measurements establish monolayer ReS2 as an anisotropic 2D semiconductor. Both the linear absorption and transient nonlinear absorption are found to be a few times higher when the light polarization is along the Re atomic chain direction. Exciton diffusion is also found to be fast when moving along the Re atomic chains.

  2. Harnessing Intracellular Biochemical Pathways for In Vitro Synthesis of Designer Tellurium Nanorods

    Ling-Hong Xiong, Ran Cui, Zhi-Ling Zhang, Jia-Wei Tu, Yun-Bo Shi and Dai-Wen Pang

    Article first published online: 27 AUG 2015 | DOI: 10.1002/smll.201500816

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    Intracellular biochemical pathways are successfully harnessed for the in vitro synthesis of Te nanorods for the first time. The strategy is to first identify an in vivo system for the synthesis of a nanomaterial of interest, then deduce the likely underlying intracellular pathways, and finally utilize the pathways for in vitro synthesis of Te nanorods.

  3. A Dispersion-Dominated Chromogenic Strategy for Colorimetric Sensing of Glutathione at the Nanomolar Level Using Gold Nanoparticles

    Yunlei Xianyu, Yangzhouyun Xie, Nuoxin Wang, Zhuo Wang and Xingyu Jiang

    Article first published online: 27 AUG 2015 | DOI: 10.1002/smll.201500903

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    A dispersion-dominated chromogenic strategy for glutathione sensing is developed. Glutathione prevents the aggregation of arginine-modified gold nanoparticles via mercury–thiol interaction, which allows for glutathione sensing at the nanomolar level (10.9 × 10−9m) with facile operation and naked-eye readout.

  4. Short Channel Field-Effect-Transistors with Inkjet-Printed Semiconducting Carbon Nanotubes

    Seonpil Jang, Bongjun Kim, Michael L. Geier, Mark C. Hersam and Ananth Dodabalapur

    Article first published online: 27 AUG 2015 | DOI: 10.1002/smll.201501179

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    Short channel field-effect-transistors with inkjet-printed semiconducting carbon nanotubes are fabricated using a novel strategy to minimize material consumption, confining the inkjet droplet into the active channel area. This fabrication approach is compatible with roll-to-roll processing and enables the formation of high-performance short channel device arrays based on inkjet printing.

  5. Nanomanufacturing of 2D Transition Metal Dichalcogenide Materials Using Self-Assembled DNA Nanotubes

    Jungwook Choi, Haorong Chen, Feiran Li, Lingming Yang, Steve S. Kim, Rajesh R. Naik, Peide D. Ye and Jong Hyun Choi

    Article first published online: 27 AUG 2015 | DOI: 10.1002/smll.201501431

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    2D transition metal dichalcogenides (TMDCs) are nanomanufactured using a generalized strategy with self-assembled DNA nanotubes. DNA nanotubes of various lengths serve as lithographic etch masks for the dry etching of TMDCs. The nanostructured TMDCs are studied by atomic force microscopy, photoluminescence, and Raman spectroscopy. This parallel approach can be used to manufacture 2D TMDC nanostructures of arbitrary geometries with molecular-scale precision.