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- 2017-11-29 Spectroscopic detection of halogen bonding resolves dye regeneration in the dye-sensitized solar cell
- The interactions between a surface-adsorbed dye and a soluble redox-active electrolyte species in the dye-sensitized solar cell has a significant impact on the rate of regeneration of photo-oxidized d...
- 2017-11-22 Theory-driven design of high-valence metal sites for water oxidation confirmed using in situ soft X-ray absorption
- The efficiency with which renewable fuels and feedstocks are synthesized from electrical sources is limited at present by the sluggish oxygen evolution reaction (OER) in pH-neutral media. We took the ...
- 2017-11-20 Two-dimensional limit of crystalline order in perovskite membrane films
- Long-range order and phase transitions in two-dimensional (2D) systems—such as magnetism, superconductivity, and crystallinity—have been important research topics for decades. The issue of 2D crysta...
- 2017-11-17 Catalytic molten metals for the direct conversion of methane to hydrogen and separable carbon
- Metals that are active catalysts for methane (Ni, Pt, Pd), when dissolved in inactive low–melting temperature metals (In, Ga, Sn, Pb), produce stable molten metal alloy catalysts for pyrolysis of met...
- 2017-11-15 Nanoscale design of polarization in ultrathin ferroelectric heterostructures
- The success of oxide electronics depends on the ability to design functional properties such as ferroelectricity with atomic accuracy. However, despite tremendous advances in ferroelectric heterostruc...
- 2017-11-15 Probing dopant segregation in distinct cation sites at perovskite oxide polycrystal interfaces
- Although theoretical studies and experimental investigations have demonstrated the presence of space-charge-induced dopant segregation, most work has been confined largely to the crystal-free surface ...
- 2017-11-15 Symmetry control of nanorod superlattice driven by a governing force
- Nanoparticle self-assembly promises scalable fabrication of composite materials with unique properties, but symmetry control of assembled structures remains a challenge. By introducing a governing for...
- 2017-11-15 In situ real-time gravimetric and viscoelastic probing of surface films formation on lithium batteries electrodes
- It is generally accepted that solid–electrolyte interphase formed on the surface of lithium-battery electrodes play a key role in controlling their cycling performance. Although a large variety of su...
- 2017-11-15 The self-healing of defects induced by the hydriding phase transformation in palladium nanoparticles
- Nanosizing can dramatically alter material properties by enhancing surface thermodynamic contributions, shortening diffusion lengths, and increasing the number of catalytically active sites per unit v...
- 2017-11-15 Effect of nitrogen atom positioning on the trade-off between emissive and photocatalytic properties of carbon dots
- Carbon dots (CDs) are a versatile nanomaterial with attractive photoluminescent and photocatalytic properties. Here we show that these two functionalities can be easily tuned through a simple syntheti...
- 2017-11-15 A mesoporous cationic thorium-organic framework that rapidly traps anionic persistent organic pollutants
- Many environmental pollutants inherently exist in their anionic forms and are therefore highly mobile in natural water systems. Cationic framework materials that can capture those pollutants are highl...
- 2017-11-15 Atomically dispersed hybrid nickel-iridium sites for photoelectrocatalysis
- Atomically dispersed supported catalysts can maximize atom efficiency and minimize cost. In spite of much progress in gas-phase catalysis, applying such catalysts in the field of renewable energy coup...
- 2017-11-15 A mesoporous cationic thorium-organic framework that rapidly traps anionic persistent organic pollutants
- Many environmental pollutants inherently exist in their anionic forms and are therefore highly mobile in natural water systems. Cationic framework materials that can capture those pollutants are highl...
- 2017-11-15 Colloidal zinc oxide-copper(I) oxide nanocatalysts for selective aqueous photocatalytic carbon dioxide conversion into methane
- Developing catalytic systems with high efficiency and selectivity is a fundamental issue for photochemical carbon dioxide conversion. In particular, rigorous control of the structure and morphology of...
- 2017-11-15 Mixed-quantum-dot solar cells
- Colloidal quantum dots are emerging solution-processed materials for large-scale and low-cost photovoltaics. The recent advent of quantum dot inks has overcome the prior need for solid-state exchanges...
- 2017-11-13 Electrode–Electrolyte Interfaces in Lithium–Sulfur Batteries with Liquid or Inorganic Solid Electrolytes
- Electrode–electrolyte interfacial properties play a vital role in the cycling performance of lithium–sulfur (Li–S) batteries. The issues at an electrode–electrolyte interface include electrochemic...
- 2017-11-13 Promises and challenges of perovskite solar cells
- The efficiencies of perovskite solar cells have gone from single digits to a certified 22.1% in a few years’ time. At this stage of their development, the key issues concern how to achieve further im...
- 2017-11-13 Atomic structure of sensitive battery materials and interfaces revealed by cryo–electron microscopy
- Whereas standard transmission electron microscopy studies are unable to preserve the native state of chemically reactive and beam-sensitive battery materials after operation, such materials remain pri...
- 2017-11-13 Tunable porous nanoallotropes prepared by post-assembly etching of binary nanoparticle superlattices
- Self-assembly of inorganic nanoparticles has been used to prepare hundreds of different colloidal crystals, but almost invariably with the restriction that the particles must be densely packed. Here, ...
- 2017-11-08 Transformation of doped graphite into cluster-encapsulated fullerene cages
- An ultimate goal in carbon nanoscience is to decipher formation mechanisms of highly ordered systems. Here, we disclose chemical processes that result in formation of high-symmetry clusterfullerenes, ...