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- 2017-08-15 Rationalizing the light-induced phase separation of mixed halide organic–inorganic perovskites
- Mixed halide hybrid perovskites, CH3NH3Pb(I1−x Br x )3, represent good candidates for low-cost, high efficiency photovoltaic, and light-emitting devices. Their band gaps can be tuned from 1.6 to 2.3 ...
- 2017-08-15 Electromagnetic reprogrammable coding-metasurface holograms
- Metasurfaces have enabled a plethora of emerging functions within an ultrathin dimension, paving way towards flat and highly integrated photonic devices. Despite the rapid progress in this area, simul...
- 2017-08-15 A promising high-energy-density material
- High-energy density materials represent a significant class of advanced materials and have been the focus of energetic materials community. The main challenge in this field is to design and synthesize...
- 2017-08-15 Ionic liquid accelerates the crystallization of Zr-based metal–organic frameworks
- The Zr-based metal–organic frameworks are generally prepared by solvothermal procedure. To overcome the slow kinetics of nucleation and crystallization of Zr-based metal–organic frameworks is of gre...
- 2017-08-15 Hole-phonon coupling effect on the band dispersion of organic molecular semiconductors
- The dynamic interaction between the traveling charges and the molecular vibrations is critical for the charge transport in organic semiconductors. However, a direct evidence of the expected impact of ...
- 2017-08-15 A highly attenuating and frequency tailorable annular hole phononic crystal for surface acoustic waves
- Surface acoustic wave (SAW) devices are widely used for signal processing, sensing and increasingly for lab-on-a-chip applications. Phononic crystals can control the propagation of SAW, analogous to p...
- 2017-08-15 Organocatalyzed synthesis of fluorinated poly(aryl thioethers)
- The preparation of high-performance fluorinated poly(aryl thioethers) has received little attention compared to the corresponding poly(aryl ethers), despite the excellent physical properties displayed...
- 2017-08-15 Oxidative coupling of sp 2 and sp 3 carbon–hydrogen bonds to construct dihydrobenzofurans
- Metal-catalyzed cross-couplings provide powerful, concise, and accurate methods to construct carbon–carbon bonds from organohalides and organometallic reagents. Recent developments extended cross-cou...
- 2017-08-15 Origin of charge transfer and enhanced electron–phonon coupling in single unit-cell FeSe films on SrTiO3
- Interface charge transfer and electron–phonon coupling have been suggested to play a crucial role in the recently discovered high-temperature superconductivity of single unit-cell FeSe films on SrTiO...
- 2017-08-14 Charge carrier localised in zero-dimensional (CH3NH3)3Bi2I9 clusters
- A metal-organic hybrid perovskite (CH3NH3PbI3) with three-dimensional framework of metal-halide octahedra has been reported as a low-cost, solution-processable absorber for a thin-film solar cell with...
- 2017-08-14 High-T c superconductivity in undoped ThFeAsN
- Unlike the widely studied ReFeAsO series, the newly discovered iron-based superconductor ThFeAsN exhibits a remarkably high critical temperature of 30 K, without chemical doping or external pressure....
- 2017-08-14 Electron ptychographic microscopy for three-dimensional imaging
- Knowing the three-dimensional structural information of materials at the nanometer scale is essential to understanding complex material properties. Electron tomography retrieves three-dimensional stru...
- 2017-08-07 Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst
- Platinum group metal–free (PGM-free) metal-nitrogen-carbon catalysts have emerged as a promising alternative to their costly platinum (Pt)–based counterparts in polymer electrolyte fuel cells (PEFCs...
- 2017-08-07 Visible-light-driven methane formation from CO2 with a molecular iron catalyst
- Converting CO2 into fuel or chemical feedstock compounds could in principle reduce fossil fuel consumption and climate-changing CO2 emissions. One strategy aims for electrochemical conversions powered...
- 2017-07-31 Direct optical lithography of functional inorganic nanomaterials
- Photolithography is an important manufacturing process that relies on using photoresists, typically polymer formulations, that change solubility when illuminated with ultraviolet light. Here, we intro...
- 2017-07-28 Atomic-resolution imaging of electrically induced oxygen vacancy migration and phase transformation in SrCoO2.5-σ
- Oxygen ion transport is the key issue in redox processes. Visualizing the process of oxygen ion migration with atomic resolution is highly desirable for designing novel devices such as oxidation catal...
- 2017-07-28 Synthesis of ordered carbonaceous frameworks from organic crystals
- Despite recent advances in the carbonization of organic crystalline solids like metal-organic frameworks or supramolecular frameworks, it has been challenging to convert crystalline organic solids int...
- 2017-07-28 Selective production of arenes via direct lignin upgrading over a niobium-based catalyst
- Lignin is the only large-volume renewable source of aromatic chemicals. Efficient depolymerization and deoxygenation of lignin while retaining the aromatic functionality are attractive but extremely c...
- 2017-07-28 Probing low-energy hyperbolic polaritons in van der Waals crystals with an electron microscope
- Van der Waals materials exhibit intriguing structural, electronic, and photonic properties. Electron energy loss spectroscopy within scanning transmission electron microscopy allows for nanoscale mapp...
- 2017-07-28 Raman evidence for pressure-induced formation of diamondene
- Despite the advanced stage of diamond thin-film technology, with applications ranging from superconductivity to biosensing, the realization of a stable and atomically thick two-dimensional diamond mat...