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Recently Published Articles

  1. Surface Adhesive Forces: A Metric Describing the Drag-Reducing Effects of Superhydrophobic Coatings

    Mengjiao Cheng, Mengmeng Song, Hongyu Dong and Feng Shi

    Article first published online: 22 NOV 2014 | DOI: 10.1002/smll.201402618

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    Nanomaterials with superhydrophobic properties are promising as drag-reducing coatings. However, debates regarding whether superhydrophobic surfaces are favorable for drag reduction require further clarification. A quantified water adhesive force measurement is proposed as a metric and its effectiveness demonstrated using three typical superhydrophobic coatings on model ships with in situ sailing tests.

  2. High-Performance Hybrid Complementary Logic Inverter through Monolithic Integration of a MEMS Switch and an Oxide TFT

    Yong-Ha Song, Sang-Joon Kenny Ahn, Min-Wu Kim, Jeong-Oen Lee, Chi-Sun Hwang, Jae-Eun Pi, Seung-Deok Ko, Kwang-Wook Choi, Sang-Hee Ko Park and Jun-Bo Yoon

    Article first published online: 22 NOV 2014 | DOI: 10.1002/smll.201402841

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    A hybrid complementary logic inverter consisting of a microelectromechanical system switch as a promising alternative for the p-type oxide thin film transistor (TFT) and an n-type oxide TFT is presented for ultralow power integrated circuits. These heterogeneous microdevices are monolithically integrated. The resulting logic device shows a distinctive voltage transfer characteristic curve, very low static leakage, zero-short circuit current, and exceedingly high voltage gain.

  3. Superparamagnetic Iron Oxide Nanoparticle Micelles Stabilized by Recombinant Oleosin for Targeted Magnetic Resonance Imaging

    Kevin B. Vargo, Ajlan Al Zaki, Robert Warden-Rothman, Andrew Tsourkas and Daniel A. Hammer

    Article first published online: 22 NOV 2014 | DOI: 10.1002/smll.201402017

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    Recombinant surfactants present a new platform for stabilizing and targeting nanoparticle imaging agents. Superparamagnetic iron oxide nanoparticle-loaded micelles for MRI contrast are stabilized by an engineered variant of the naturally occurring protein oleosin and targeted using a Her2/neu affibody-oleosin fusion. The recombinant oleosin platform allows simple targeting and the ability to easily swap the ligand for numerous targets.

  4. You have free access to this content
    Contents: (Small 22/2014) (pages 4415–4424)

    Article first published online: 20 NOV 2014 | DOI: 10.1002/smll.201470138

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    CdS: Phosphine-Free, Low-Temperature Synthesis of Tetrapod-Shaped CdS and Its Hybrid with Au Nanoparticles (Small 22/2014) (page 4726)

    Yaping Du, Bo Chen, Zongyou Yin, Zhengqing Liu and Hua Zhang

    Article first published online: 20 NOV 2014 | DOI: 10.1002/smll.201470142

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    An efficient photoelectrochemical cell for water splitting based on tetrapod-shaped CdS nanocrystals is reported by H. Zhang and co-workers on page 4727. The tetrapod-shaped CdS nanocrystals with tunable arm lengths and diameters are synthesized via a facile, phosphine-free, solution-based chemical method. Introducing tetrapod-shaped CdS nanocrystals with longer arm lengths provides less branch connection points/junctions, which probably trap and block the transportation of photoexcited electrons/holes, resulting in promising photocatalytic activity for water splitting in photoelectrochemical cells.