Research articles

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  • Slit-like nanochannels of pristine graphite and activated carbon, fabricated by van der Waals assembly of pristine or sculpted graphite crystals, enable comprehensive ionic response measurements and the systematic realization of their ion transport properties. These are attributed to optimal combinations of (mobile) surface charge and slippage effects at the channel wall surface in both pristine and activated nanochannels.

    • Theo Emmerich
    • Kalangi S. Vasu
    • Lydéric Bocquet
    Article
  • Nanometre-sized clusters can self-organize into centimetre-scale hierarchical structures, mimicking the complex constructions seen in nature and providing a platform to design synthetically directed advanced materials with sophisticated functions.

    • Haixiang Han
    • Shantanu Kallakuri
    • Richard D. Robinson
    Article
  • Cu2O is a promising platform to host Rydberg exciton–polaritons, where excitons strongly couple to cavity photons, however their realization has been elusive. Here, the authors report Rydberg exciton–polaritons with principal quantum numbers up to n = 6.

    • Konstantinos Orfanakis
    • Sai Kiran Rajendran
    • Hamid Ohadi
    Article
  • Superionic lithium conductivity has only been observed in a few classes of materials, mostly in thiophosphates but rarely in oxides. Corner-sharing connectivity in an oxide crystal structure framework is now shown to promote superionic conductivity.

    • KyuJung Jun
    • Yingzhi Sun
    • Gerbrand Ceder
    Article
  • Precise manipulation of colloids and cells is desired for material and life sciences. However, such control remains challenging without material modifications. Here, the authors achieve reversible single-particle manipulation with subwavelength resolution and high throughput using harmonic acoustics.

    • Shujie Yang
    • Zhenhua Tian
    • Tony Jun Huang
    Article
  • Semipermeable polymeric anion exchange membranes are essential for separation, filtration and energy conversion technologies such as fuel cells. Quasi-elastic neutron scattering is now used to disentangle water, polymer relaxation and OH diffusional dynamics in a commercially available membrane.

    • Fabrizia Foglia
    • Quentin Berrod
    • Paul F. McMillan
    Article
  • Wiring photosynthetic biomachineries to electrodes is promising for sustainable bio-electricity and fuel generation, but designing such interfaces is challenging. Aerosol jet printing is now used to generate hierarchical pillar array electrodes using indium tin oxide nanoparticles for high-performance semi-artificial photosynthesis.

    • Xiaolong Chen
    • Joshua M. Lawrence
    • Jenny Z. Zhang
    Article
  • Understanding exciton dynamics in quantum dots is important for realizing their potential in optoelectronics. Here, the authors use femtosecond transient absorption microscopy to reveal ultrafast exciton transport, enhanced at larger interdot distance and taking place within hundreds of femtoseconds after generation.

    • Zhilong Zhang
    • Jooyoung Sung
    • Akshay Rao
    Article
  • Measuring three-dimensional dielectric tensors is desired for applications in material and soft matter physics. Here, the authors use a tomographic approach and inversely solve the vectorial wave equation to directly reconstruct dielectric tensors of anisotropic structures.

    • Seungwoo Shin
    • Jonghee Eun
    • YongKeun Park
    Article
  • High-pressure synthesis is used to stabilize superconducting (Ba,K)SbO3, whose properties provide a fresh perspective on the origin of superconductivity in these types of materials.

    • Minu Kim
    • Graham M. McNally
    • Hidenori Takagi
    Article Open Access
  • The oxygen evolution reaction is central to making chemicals and energy carriers using electrons. Metal hydroxide–organic frameworks are shown to act as a tunable catalytic platform for oxygen evolution, with π–π interactions dictating stability and transition metals modulating activity.

    • Shuai Yuan
    • Jiayu Peng
    • Yang Shao-Horn
    Article
  • Two monomers with distinct solubility of their corresponding polymers in an ionic liquid enable tuning of the microstructure of the copolymers during their polymerization. Thus, energy dissipative and elastic molecular domains are created, resulting in highly tough and stretchable ionogels.

    • Meixiang Wang
    • Pengyao Zhang
    • Michael D. Dickey
    Article
  • Constitutive laws underlie most physical processes, but understanding chemo-mechanical expansion in heterogeneous solids is challenging. A physically constrained image-learning approach is now proposed to obtain fundamental insight into dislocations inside battery electrodes.

    • Haitao D. Deng
    • Hongbo Zhao
    • William C. Chueh
    Article
  • Lithium bis(trifluoromethanesulfonyl)imide is used as a conducting salt for rechargeable lithium metal batteries because of its stability, but corrosion with aluminium current collectors is an issue. A non-corrosive sulfonimide salt is shown to suppress anodic dissolution of an Al current collector at high potentials while improving cycling.

    • Lixin Qiao
    • Uxue Oteo
    • Heng Zhang
    Article