Nature Nanotechnology Contents May 2015 Volume 10 Number 5 pp381-480

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Advertisement Advanced Nanolithography and analytical SEM in a single system? Visit Raith's http://www.raith.com and learn more about the perfect EBL-SEM hybrid PIONEER Two . TABLE OF CONTENTS May 2015 Volume 10, Issue 5 Editorial Research Highlights News and Views Review Letters Articles In The Classroom Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Nature Nanotechnology Focus on Spin-transfer-torque memory  Access the Focus for FREE  Produced with exclusive support from  Spin Transfer Technologies      Editorial Top Graphene opens up to new applications   p381 doi:10.1038/nnano.2015.110 Effective separation membranes could be created by etching nanometre-sized pores in two-dimensional materials. Research Highlights Top Our choice from the recent literature   p383 doi:10.1038/nnano.2015.99 News and Views Top Nanoporous graphene: Membranes at the limit   pp385 - 386 Dong-Yeun Koh and Ryan P. Lively doi:10.1038/nnano.2015.77 Water desalination membranes can be created by etching nanometre-sized pores in a single layer of graphene. See also: Article by Surwade et al. Nanoscale imaging: Tomography for plasmonics   pp386 - 387 Marek Malac doi:10.1038/nnano.2015.52 Two-dimensional cathodoluminescence projections are used to reconstruct the plasmonic excitation of nanoscale crescents by tomography. See also: Article by Atre et al. Nonlinear optics: Tuning harmonics with excitons   pp387 - 388 Sean P. Rodrigues and Wenshan Cai doi:10.1038/nnano.2015.92 Nonlinear generation of light from an atomically thin semiconductor can be controlled by electrical fields. See also: Letter by Seyler et al. 2D materials: Memristor goes two-dimensional   pp389 - 390 Jiangtan Yuan and Jun Lou doi:10.1038/nnano.2015.94 A single layer of MoS2 can be used to fabricate a memristor by exploiting structural defects in the crystal. See also: Letter by Sangwan et al. Nature Nanotechnology JOBS of the week Post Doc Position in Single Molecule, Nanotechnology University of Notre Dame Post-doctoral position in Biomedical Research Case Western Reserve University Postdoc in albumin-based drug delivery Aarhus University Graduate Student Positions available in Bioanalytical Chemistry University of Texas at El Paso More Science jobs from Nature Nanotechnology EVENT International Conference on Nanoscience, Nanotechnology & Advanced Materials 17.12.15 Visakhapatnam, India More science events from Review Top Metal-halide perovskites for photovoltaic and light-emitting devices   pp391 - 402 Samuel D. Stranks and Henry J. Snaith doi:10.1038/nnano.2015.90 This Review discusses recent developments in photovoltaic and light-emitting optoelectronic devices made from metal-halide perovskite materials. Letters Top Gate-tunable memristive phenomena mediated by grain boundaries in single-layer MoS2   pp403 - 406 Vinod K. Sangwan, Deep Jariwala, In Soo Kim, Kan-Sheng Chen, Tobin J. Marks, Lincoln J. Lauhon and Mark C. Hersam doi:10.1038/nnano.2015.56 Memristors with gate-tunable charge transport characteristics are fabricated from monolayer MoS2 by exploiting specific grain boundary configurations with respect to the electrodes. See also: News and Views by Yuan & Lou Electrical control of second-harmonic generation in a WSe2 monolayer transistor   pp407 - 411 Kyle L. Seyler, John R. Schaibley, Pu Gong, Pasqual Rivera, Aaron M. Jones, Sanfeng Wu, Jiaqiang Yan, David G. Mandrus, Wang Yao and Xiaodong Xu doi:10.1038/nnano.2015.73 Second-order optical nonlinearities can be controlled, up to room temperature, by electrostatic gating in a field-effect transistor made from atomically thin crystals of WSe2. See also: News and Views by Rodrigues & Cai Mode matching in multiresonant plasmonic nanoantennas for enhanced second harmonic generation   pp412 - 417 Michele Celebrano, Xiaofei Wu, Milena Baselli, Swen Großmann, Paolo Biagioni, Andrea Locatelli, Costantino De Angelis, Giulio Cerullo, Roberto Osellame, Bert Hecht, Lamberto Duò, Franco Ciccacci and Marco Finazzi doi:10.1038/nnano.2015.69 An asymmetric plasmonic nanoantenna featuring a double resonant mode that overlaps with both the excitation fundamental wavelength and the second harmonic emission displays a remarkably large nonlinear coefficient for second harmonic generation. Reversible oxygen scavenging at room temperature using electrochemically reduced titanium oxide nanotubes   pp418 - 422 Thomas Close, Gaurav Tulsyan, Carlos A. Diaz, Steven J. Weinstein and Christiaan Richter doi:10.1038/nnano.2015.51 Reduced titanium oxide nanotubes rapidly absorb and release molecular oxygen at room temperature. Graphene-templated directional growth of an inorganic nanowire   pp423 - 428 Won Chul Lee, Kwanpyo Kim, Jungwon Park, Jahyun Koo, Hu Young Jeong, Hoonkyung Lee, David A. Weitz, Alex Zettl and Shoji Takeuchi doi:10.1038/nnano.2015.36 Inorganic nanowires composed of gold(I) cyanide can be grown directly on pristine graphene, aligning themselves with the zigzag lattice directions of the graphene, and then used as templates to create graphene nanoribbons with zigzag-edged directions. Articles Top Nanoscale optical tomography with cathodoluminescence spectroscopy   pp429 - 436 Ashwin C. Atre, Benjamin J. M. Brenny, Toon Coenen, Aitzol García-Etxarri, Albert Polman and Jennifer A. Dionne doi:10.1038/nnano.2015.39 An optical tomography technique enables the optical properties of samples in three dimensions to be imaged with a resolution below the diffraction limit. See also: News and Views by Malac Generation of photovoltage in graphene on a femtosecond timescale through efficient carrier heating   pp437 - 443 K. J. Tielrooij, L. Piatkowski, M. Massicotte, A. Woessner, Q. Ma, Y. Lee, K. S. Myhro, C. N. Lau, P. Jarillo-Herrero, N. F. van Hulst and F. H. L. Koppens doi:10.1038/nnano.2015.54 Optical excitation of graphene can generate a photovoltage in less than 50 femtoseconds, and can result in efficient electron heating. A metal-free bifunctional electrocatalyst for oxygen reduction and oxygen evolution reactions   pp444 - 452 Jintao Zhang, Zhenghang Zhao, Zhenhai Xia and Liming Dai doi:10.1038/nnano.2015.48 A mesoporous carbon foam co-doped with nitrogen and phosphorus atoms shows bifunctional activity for oxygen reduction and oxygen evolution reactions and promising performance as an electrode in Zn–air batteries. Nanoscale form dictates mesoscale function in plasmonic DNA–nanoparticle superlattices   pp453 - 458 Michael B. Ross, Jessie C. Ku, Victoria M. Vaccarezza, George C. Schatz and Chad A. Mirkin doi:10.1038/nnano.2015.68 Two- and three-dimensional mesoscale superlattice crystals with precisely engineered optical properties can be assembled from the bottom up by using DNA as a programmable ligand. Water desalination using nanoporous single-layer graphene   pp459 - 464 Sumedh P. Surwade, Sergei N. Smirnov, Ivan V. Vlassiouk, Raymond R. Unocic, Gabriel M. Veith, Sheng Dai and Shannon M. Mahurin doi:10.1038/nnano.2015.37 An oxygen plasma etching process can be used to create a nanoporous graphene layer that can efficiently desalinate water. See also: News and Views by Koh & Lively Carbon nanotube-assisted optical activation of TGF-β signalling by near-infrared light   pp465 - 471 Liang Lin, Ling Liu, Bing Zhao, Ran Xie, Wei Lin, He Li, Yaya Li, Minlong Shi, Ye-Guang Chen, Timothy A. Springer and Xing Chen doi:10.1038/nnano.2015.28 TGF-β signalling, which is important in regulating various cellular processes during development, can be optically manipulated using near-infrared light with the aid of single-walled carbon nanotubes. Mapping protein binding sites on the biomolecular corona of nanoparticles   pp472 - 479 Philip M. Kelly, Christoffer Åberg, Ester Polo, Ann O'Connell, Jennifer Cookman, Jonathan Fallon, Željka Krpetic and Kenneth A. Dawson doi:10.1038/nnano.2015.47 Using antibody-conjugated gold nanoparticles and a suite of techniques, the spatial location and type of protein binding sites across biomolecular coronas formed on the surface of nanoparticles are identified. In The Classroom Top Creativity unleashed   p480 Francois Grey doi:10.1038/nnano.2015.95 Hands-on challenges such as building a low-cost atomic force microscope for schools can teach more than standard lessons, says François Grey. 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