Articles

  • Article |

    The gastrointestinal tract is a therapeutic target for type-2 diabetes. An orally deliverable sucralfate-based material is shown to form a physical coating in the gut, capable of limiting glucose uptake and also administering drugs to the gut lining.

    • Yuhan Lee
    • , Tara E. Deelman
    • , Keyue Chen
    • , Dawn S. Y. Lin
    • , Ali Tavakkoli
    •  & Jeffrey M. Karp
  • Article |

    The crucial interaction between reactive elements and water vapour during the oxide scale growth of alumina-forming alloys is revealed, providing insights to improve corrosion resistance of high-temperature alloys.

    • N. Mortazavi
    • , C. Geers
    • , M. Esmaily
    • , V. Babic
    • , M. Sattari
    • , K. Lindgren
    • , P. Malmberg
    • , B. Jönsson
    • , M. Halvarsson
    • , J. E. Svensson
    • , I. Panas
    •  & L. G. Johansson
  • Article |

    Observation of charge order in the overdoped (Bi,Pb)2Sr2CuO6+δ superconductor using resonant X-ray scattering and angular-resolved photoemission spectroscopy, over a wide temperature range.

    • Y. Y. Peng
    • , R. Fumagalli
    • , Y. Ding
    • , M. Minola
    • , S. Caprara
    • , D. Betto
    • , M. Bluschke
    • , G. M. De Luca
    • , K. Kummer
    • , E. Lefrançois
    • , M. Salluzzo
    • , H. Suzuki
    • , M. Le Tacon
    • , X. J. Zhou
    • , N. B. Brookes
    • , B. Keimer
    • , L. Braicovich
    • , M. Grilli
    •  & G. Ghiringhelli
  • Article |

    An optimized two-step deposition process allows the formation of uniform layers of metal halide perovskites on textured silicon layers, enabling tandem silicon/perovskite solar cells with improved optical design and efficiency.

    • Florent Sahli
    • , Jérémie Werner
    • , Brett A. Kamino
    • , Matthias Bräuninger
    • , Raphaël Monnard
    • , Bertrand Paviet-Salomon
    • , Loris Barraud
    • , Laura Ding
    • , Juan J. Diaz Leon
    • , Davide Sacchetto
    • , Gianluca Cattaneo
    • , Matthieu Despeisse
    • , Mathieu Boccard
    • , Sylvain Nicolay
    • , Quentin Jeangros
    • , Bjoern Niesen
    •  & Christophe Ballif
  • Article |

    A conducting metal–organic framework with charge delocalization by reductive potassium insertion is demonstrated. Integration into a field-effect transistor shows similar mobilities to semiconductors, with a mobility estimated to be at least 0.84 cm2 V–1 s–1.

    • Michael L. Aubrey
    • , Brian M. Wiers
    • , Sean C. Andrews
    • , Tsuneaki Sakurai
    • , Sebastian E. Reyes-Lillo
    • , Samia M. Hamed
    • , Chung-Jui Yu
    • , Lucy E. Darago
    • , Jarad A. Mason
    • , Jin-Ook Baeg
    • , Fernande Grandjean
    • , Gary J. Long
    • , Shu Seki
    • , Jeffrey B. Neaton
    • , Peidong Yang
    •  & Jeffrey R. Long
  • Article |

    Islet transplantation for diabetes treatment requires immunosuppression to control rejection. A microgel presenting Fas ligand with immunomodulatory properties is now shown to prolong the survival of allogeneic islet grafts in vivo.

    • Devon M. Headen
    • , Kyle B. Woodward
    • , María M. Coronel
    • , Pradeep Shrestha
    • , Jessica D. Weaver
    • , Hong Zhao
    • , Min Tan
    • , Michael D. Hunckler
    • , William S. Bowen
    • , Christopher T. Johnson
    • , Lonnie Shea
    • , Esma S. Yolcu
    • , Andrés J. García
    •  & Haval Shirwan
  • Article |

    Authors investigate graphene/cobalt and graphene/nickel interfaces, and observe a non-zero Dzyaloshinskii–Moriya interaction that they attribute to the Rashba effect; calculations suggest the effect can be enhanced in van der Waals heterostructures.

    • Hongxin Yang
    • , Gong Chen
    • , Alexandre A. C. Cotta
    • , Alpha T. N’Diaye
    • , Sergey A. Nikolaev
    • , Edmar A. Soares
    • , Waldemar A. A. Macedo
    • , Kai Liu
    • , Andreas K. Schmid
    • , Albert Fert
    •  & Mairbek Chshiev
  • Article |

    Polymer synthesis can provide control over chain microstructure and conformation. Well-controlled chain folding in sulfonated polyethylene, leading to highly uniform hydrated acid layers of subnanometre thickness with high proton conductivity, is demonstrated.

    • Edward B. Trigg
    • , Taylor W. Gaines
    • , Manuel Maréchal
    • , Demi E. Moed
    • , Patrice Rannou
    • , Kenneth B. Wagener
    • , Mark J. Stevens
    •  & Karen I. Winey
  • Article |

    Mechanical cues play critical roles in embryonic development. A micropatterned neuroectoderm developmental model based on human pluripotent stem cells now reveals how morophogenetic signals such as cell shape and contractility regulate neural tissue development.

    • Xufeng Xue
    • , Yubing Sun
    • , Agnes M. Resto-Irizarry
    • , Ye Yuan
    • , Koh Meng Aw Yong
    • , Yi Zheng
    • , Shinuo Weng
    • , Yue Shao
    • , Yimin Chai
    • , Lorenz Studer
    •  & Jianping Fu
  • Article |

    Films of exfoliated crystals of two-dimensional hybrid metal halide perovskites with phenyl groups as organic cations show increased molecular rigidity, reduced electron–phonon interactions and blue emission with photoluminescence quantum yield approaching 80%.

    • Xiwen Gong
    • , Oleksandr Voznyy
    • , Ankit Jain
    • , Wenjia Liu
    • , Randy Sabatini
    • , Zachary Piontkowski
    • , Grant Walters
    • , Golam Bappi
    • , Sergiy Nokhrin
    • , Oleksandr Bushuyev
    • , Mingjian Yuan
    • , Riccardo Comin
    • , David McCamant
    • , Shana O. Kelley
    •  & Edward H. Sargent
  • Article |

    Monolayer MoS2 can be laterally grown in the vapour–liquid–solid mode, forming highly crystalline nano- and microribbon structures.

    • Shisheng Li
    • , Yung-Chang Lin
    • , Wen Zhao
    • , Jing Wu
    • , Zhuo Wang
    • , Zehua Hu
    • , Youde Shen
    • , Dai-Ming Tang
    • , Junyong Wang
    • , Qi Zhang
    • , Hai Zhu
    • , Leiqiang Chu
    • , Weijie Zhao
    • , Chang Liu
    • , Zhipei Sun
    • , Takaaki Taniguchi
    • , Minoru Osada
    • , Wei Chen
    • , Qing-Hua Xu
    • , Andrew Thye Shen Wee
    • , Kazu Suenaga
    • , Feng Ding
    •  & Goki Eda
  • Article |

    Metallic zinc is an ideal anode material for aqueous batteries but suffers from irreversibility issues. An aqueous electrolyte based on Zn and lithium salts using either LiMn2O4 or O2 cathodes now brings unprecedented flexibility and reversibility to Zn batteries.

    • Fei Wang
    • , Oleg Borodin
    • , Tao Gao
    • , Xiulin Fan
    • , Wei Sun
    • , Fudong Han
    • , Antonio Faraone
    • , Joseph A Dura
    • , Kang Xu
    •  & Chunsheng Wang
  • Article |

    Quantitative analysis of polymer LED degradation under current stress provides insight on the role of hole traps and their formation. Blending of the emitting material with large-bandgap semiconductors leads to trap dilution and improved stability.

    • Quan Niu
    • , Roland Rohloff
    • , Gert-Jan A. H. Wetzelaer
    • , Paul W. M. Blom
    •  & N. Irina Crăciun
  • Article |

    Inorganic α-Ag2S semiconductor, which has preferential slip planes in the crystal structure and irregularly distributed bonds of silver atoms preventing cleavage, demonstrates metal-like ductility at room temperature.

    • Xun Shi
    • , Hongyi Chen
    • , Feng Hao
    • , Ruiheng Liu
    • , Tuo Wang
    • , Pengfei Qiu
    • , Ulrich Burkhardt
    • , Yuri Grin
    •  & Lidong Chen
  • Article |

    Angle-resolved photoemission spectroscopy with nanometre spatial resolution and low-energy electron microscopy/diffraction reveal that interaction with the Cu substrate can induce up to 7.5% lattice expansion in graphene adlayers.

    • Chaoyu Chen
    • , José Avila
    • , Hakim Arezki
    • , Van Luan Nguyen
    • , Jiahong Shen
    • , Marcin Mucha-Kruczyński
    • , Fei Yao
    • , Mohamed Boutchich
    • , Yue Chen
    • , Young Hee Lee
    •  & Maria C. Asensio
  • Article |

    Electrostrain, an important value for actuators, larger than 1% is only achieved in single crystals. Here, a pseudo-ternary polycrystalline ferroelectric with spontaneous lattice strain has 1.3% electrostrain, which may enable cheaper piezoelectrics.

    • Bastola Narayan
    • , Jaskaran Singh Malhotra
    • , Rishikesh Pandey
    • , Krishna Yaddanapudi
    • , Pavan Nukala
    • , Brahim Dkhil
    • , Anatoliy Senyshyn
    •  & Rajeev Ranjan
  • Article |

    Simulations were used to investigate the effects of local structural heterogeneity on piezoelectricity in ceramics. From this, a Sm-doped PMN–PT composition was designed with an extremely high piezoelectric coefficient for polycrystalline systems.

    • Fei Li
    • , Dabin Lin
    • , Zibin Chen
    • , Zhenxiang Cheng
    • , Jianli Wang
    • , ChunChun Li
    • , Zhuo Xu
    • , Qianwei Huang
    • , Xiaozhou Liao
    • , Long-Qing Chen
    • , Thomas R. Shrout
    •  & Shujun Zhang
  • Article |

    TiO2 and other metal oxides were interfaced with molecular boron clusters to form a hybrid material. This modifies the electrochemical and photocatalytic properties, enabling fast electron transfer and dye degradation under red light.

    • Dahee Jung
    • , Liban M. A. Saleh
    • , Zachariah J. Berkson
    • , Maher F. El-Kady
    • , Jee Youn Hwang
    • , Nahla Mohamed
    • , Alex I. Wixtrom
    • , Ekaterina Titarenko
    • , Yanwu Shao
    • , Kassandra McCarthy
    • , Jian Guo
    • , Ignacio B. Martini
    • , Stephan Kraemer
    • , Evan C. Wegener
    • , Philippe Saint-Cricq
    • , Bastian Ruehle
    • , Ryan R. Langeslay
    • , Massimiliano Delferro
    • , Jonathan L. Brosmer
    • , Christopher H. Hendon
    • , Marcus Gallagher-Jones
    • , Jose Rodriguez
    • , Karena W. Chapman
    • , Jeffrey T. Miller
    • , Xiangfeng Duan
    • , Richard B. Kaner
    • , Jeffrey I. Zink
    • , Bradley F. Chmelka
    •  & Alexander M. Spokoyny
  • Article |

    Gas-filled vesicles derived from photosynthetic microbes are shown to elicit magnetic resonance imaging contrast in vitro and in vivo with the potential for acoustically modulated multiplexing and molecular sensing.

    • George J. Lu
    • , Arash Farhadi
    • , Jerzy O. Szablowski
    • , Audrey Lee-Gosselin
    • , Samuel R. Barnes
    • , Anupama Lakshmanan
    • , Raymond W. Bourdeau
    •  & Mikhail G. Shapiro
  • Article |

    The doping efficiency of n-type molecular dopants in organic semiconductors is shown to depend on the energy difference between the electron affinity of the host and the ionization potential of the doped system.

    • Christopher Gaul
    • , Sebastian Hutsch
    • , Martin Schwarze
    • , Karl Sebastian Schellhammer
    • , Fabio Bussolotti
    • , Satoshi Kera
    • , Gianaurelio Cuniberti
    • , Karl Leo
    •  & Frank Ortmann