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- 2015-08-10 Realizing both High Energy and High Power Densities by Twisting Three Carbon-Nanotube-Based Hybrid Fibers
- Energy storage devices, such as lithium-ion batteries and supercapacitors, are required for the modern electronics. However, the intrinsic characteristics of low power densities in batteries and low e...
- 2015-08-10 Distinguishing adjacent molecules on a surface using plasmon-enhanced Raman scattering
- Unambiguous chemical identification of individual molecules closely packed on a surface can offer the possibility to address single chemical species and monitor their behaviour at the individual level...
- 2015-08-10 Molecular valves for controlling gas phase transport made from discrete ångström-sized pores in grapheme
- An ability to precisely regulate the quantity and location of molecular flux is of value in applications such as nanoscale three-dimensional printing, catalysis and sensor design. Barrier materials co...
- 2015-08-09 Efficient polymer solar cells employing a non-conjugated small-molecule electrolyte
- Polymer solar cells have drawn a great deal of attention due to the attractiveness of their use in renewable energy sources that are potentially lightweight and low in cost. Recently, numerous signifi...
- 2015-08-03 Uniform Concave Polystyrene-Carbon Core-Shell Nanospheres by a Swelling Induced Buckling Process
- We have developed a facile procedure that can create asymmetrical building blocks by uniformly deforming nanospheres into C∞v symmetry at low cost and high quality. Concave polystyrene@carbon (PS@C) ...
- 2015-07-31 Elucidating the role of disorder and free-carrier recombination kinetics in CH3NH3PbI3 perovskite films
- Apart from broadband absorption of solar radiation, the performance of photovoltaic devices is governed by the density and mobility of photogenerated charge carriers. The latter parameters indicate ho...
- 2015-07-28 Kinetics Tuning of Li-Ion Diffusion in Layered Li(NixMnyCoz)O2
- Using ab initio calculations combined with experiments, we clarified how the kinetics of Li-ion diffusion can be tuned in LiNixMnyCozO2 (NMC, x + y + z = 1) materials. It is found that Li-ions tend to...
- 2015-07-28 Scanning Probe Characterization of Heterostructured Colloidal Nanomaterials
- Material junctions form the basis of modern solid-state technology by controlling current flow and are key components in digital electronics, electronic switches, signal amplification and processing,&...
- 2015-07-28 Computational Studies of Synthetically Relevant Homogeneous Organometallic Catalysis Involving Ni, Pd, Ir, and Rh: An Overview of Commonly Employed DFT Methods and Mechanistic Insights
- The field of organometallic catalysis has attracted considerable interest from both academia and industry due to its broad applications in synthetic transformations. Pd, Ni, Rh, and Ir catalysts are c...
- 2015-07-28 Surface-Catalyzed C-C Covalent Coupling Strategies toward the Synthesis of Low-Dimensional Carbon-Based Nanostructures
- Carbon-based nanostructures have attracted tremendous interest because of their versatile and tunable properties, which depend on the bonding type of the constituting carbon atoms. Graphene, as the mo...
- 2015-07-26 Highly Efficient Electron Transport Obtained by Doping PCBM with Graphdiyne in Planar-Heterojunction Perovskite Solar Cells
- Organic-inorganic perovskite solar cells have recently emerged at the forefront of photovoltaics research. Here, for the first time, graphdiyne (GD), a novel two dimension carbon material, is doped in...
- 2015-07-25 Platinum-based nanocages with subnanometer-thick walls and well-defined, controllable facets
- A cost-effective catalyst should have a high dispersion of the active atoms, together with a controllable surface structure for the optimization of activity, selectivity, or both. We fabricated nanoca...
- 2015-07-25 The water catalysis at oxygen cathodes of lithium-oxygen cells
- Lithium-oxygen cells have attracted extensive interests due to their high theoretical energy densities. The main challenges are the low round-trip efficiency and cycling instability over long time. Ho...
- 2015-07-25 Readily processed protonic ceramic fuel cells with high performance at low temperatures
- Because of the generally lower activation energy associated with proton conduction in oxides compared to oxygen ion conduction, protonic ceramic fuel cells (PCFCs) should be able to operate at lower t...
- 2015-07-23 Non-wetting surface-driven high-aspect-ratio crystalline grain growth for efficient hybrid perovskite solar cells
- Large-aspect-ratio grains are needed in polycrystalline thin-film solar cells for reduced charge recombination at grain boundaries; however, the grain size in organolead trihalide perovskite (OTP) fil...
- 2015-07-22 Engineering Ordered and Nonordered Porous Noble Metal Nanostructures: Synthesis, Assembly, and Their Applications in Electrochemistry
- In this review, we extensively covered different types of PNMNs, ranging from ordered to nonordered porous nanostructures. From the perspective of the synthetic approaches, a broad range of PNMNs, suc...
- 2015-07-22 Hot-Electron-Mediated Surface Chemistry: Toward Electronic Control of Catalytic Activity
- Energy dissipation at surfaces and interfaces is mediated by excitation of elementary processes, including phonons and electronic excitation, once external energy is deposited to the surface during ex...
- 2015-07-22 Black silicon solar cells with interdigitated back-contacts achieve 22.1% efficiency
- The nanostructuring of silicon surfaces-known as black silicon-is a promising approach to eliminate front-surface reflection in photovoltaic devices without the need for a conventional antireflection ...
- 2015-07-20 Resonant internal quantum transitions and femtosecond radiative decay of excitons in monolayer WSe2
- Atomically thin two-dimensional crystals have revolutionized materials science. In particular, monolayer transition metal dichalcogenides promise novel optoelectronic applications, owing to their dire...
- 2015-07-20 An environmentally benign antimicrobial nanoparticle based on a silver-infused lignin core
- Silver nanoparticles have antibacterial properties, but their use has been a cause for concern because they persist in the environment. Here, we show that lignin nanoparticles infused with silver ions...