News&Events
Home
>
News&Events
>
CEM Collections
CEM Collections
- 2016-07-15 High-efficiency two-dimensional Ruddlesden–Popper perovskite solar cells
- Three-dimensional organic–inorganic perovskites have emerged as one of the most promising thin-film solar cell materials owing to their remarkable photophysical properties, which have led to power co...
- 2016-07-15 A Highly Efficient Metal-Free Oxygen Reduction Electrocatalyst Assembled from Carbon Nanotubes and Graphene
- A novel carbon-nanotube–graphene hybrid nanostructure is developed using an aerosol-assisted assembly approach. After doping with nitrogen and phosphorus, the prepared hybrid nanomaterials exhibit ex...
- 2016-07-15 Atomic scale observation of oxygen delivery during silver–oxygen nanoparticle catalysed oxidation of carbon nanotubes
- To probe the nature of metal-catalysed processes and to design better metal-based catalysts, atomic scale understanding of catalytic processes is highly desirable. Here we use aberration-corrected env...
- 2016-07-15 Direct TEM observations of growth mechanisms of two-dimensional MoS2 flakes
- A microscopic understanding of the growth mechanism of two-dimensional materials is of particular importance for controllable synthesis of functional nanostructures. Because of the lack of direct and ...
- 2016-07-14 Energy Transfer with Semiconductor Quantum Dot Bioconjugates: A Versatile Platform for Biosensing, Energy Harvesting, and Other Developing Applications
- Luminescent semiconductor quantum dots (QDs) are one of the more popular nanomaterials currently utilized within biological applications. However, what is not widely appreciated is their growing role ...
- 2016-07-14 Synthesis of Semiconductor Nanocrystals, Focusing on Nontoxic and Earth-Abundant Materials
- We review the synthesis of semiconductor nanocrystals/colloidal quantum dots in organic solvents with special emphasis on earth-abundant and toxic heavy metal free compounds. Following the Introductio...
- 2016-07-12 Automated circuit fabrication and direct characterization of carbon nanotube vibrations
- Since their discovery, carbon nanotubes have fascinated many researchers due to their unprecedented properties. However, a major drawback in utilizing carbon nanotubes for practical applications is th...
- 2016-07-11 Rational design of carbon nitride photocatalysts by identification of cyanamide defects as catalytically relevant sites
- The heptazine-based polymer melon (also known as graphitic carbon nitride, g-C3N4) is a promising photocatalyst for hydrogen evolution. Nonetheless, attempts to improve its inherently low activity are...
- 2016-07-08 Pore chemistry and size control in hybrid porous materials for acetylene capture from ethylene
- Separating one organic from anotherSeparating closely related organic molecules is a challenge (see the Perspective by Lin).The separation of acetylene from ethylene is needed in high-purity polymer p...
- 2016-07-08 Thermally stable single-atom platinum-on-ceria catalysts via atom trapping
- Hot single-atom catalystsFor heterogeneous catalysts made from precious metal nanoparticles adsorbed on metal oxides, high temperatures are the enemy. The metal atoms become mobile and the small parti...
- 2016-07-08 Harvesting low-grade heat energy using thermo-osmotic vapour transport through nanoporous membranes
- Low-grade heat from sources below 100 ℃ offers a vast quantity of energy. The ability to extract this energy, however, is limited with existing technologies as they are not well-suited to harvest en...
- 2016-07-07 Polyvinylpyrrolidone-induced anisotropic growth of gold nanoprisms in plasmon-driven synthesis
- After more than a decade, it is still unknown whether the plasmon-mediated growth of silver nanostructures can be extended to the synthesis of other noble metals, as the molecular mechanisms governing...
- 2016-07-07 Highly selective plasma-activated copper catalysts for carbon dioxide reduction to ethylene
- There is an urgent need to develop technologies that use renewable energy to convert waste products such as carbon dioxide into hydrocarbon fuels. Carbon dioxide can be electrochemically reduced to hy...
- 2016-07-07 Mechanistic insights into chemical and photochemical transformations of bismuth vanadate photoanodes
- Artificial photosynthesis relies on the availability of semiconductors that are chemically stable and can efficiently capture solar energy. Although metal oxide semiconductors have been investigated f...
- 2016-07-07 Selective catalytic two-step process for ethylene glycol from carbon monoxide
- Upgrading C1 chemicals (for example, CO, CO/H2, MeOH and CO2) with C–C bond formation is essential for the synthesis of bulk chemicals. In general, these industrially important processes (for example...
- 2016-07-04 Bimetallic Nanocrystals: Syntheses, Properties, and Applications
- Achieving mastery over the synthesis of metal nanocrystals has emerged as one of the foremost scientific endeavors in recent years. This intense interest stems from the fact that the composition, size...
- 2016-07-04 Gas–solid interfacial modification of oxygen activity in layered oxide cathodes for lithium-ion batteries
- Lattice oxygen can play an intriguing role in electrochemical processes, not only maintaining structural stability, but also influencing electron and ion transport properties in high-capacity oxide ca...
- 2016-07-04 Metal-induced rapid transformation of diamond into single and multilayer graphene on wafer scale
- The degradation of intrinsic properties of graphene during the transfer process constitutes a major challenge in graphene device fabrication, stimulating the need for direct growth of graphene on diel...
- 2016-07-01 Lanthanum-catalysed synthesis of microporous 3D graphene-like carbons in a zeolite template
- Three-dimensional graphene architectures with periodic nanopores—reminiscent of zeolite frameworks—are of topical interest because of the possibility of combining the characteristics of graphene wit...
- 2016-07-01 A vacuum flash–assisted solution process for high-efficiency large-area perovskite solar cells
- Metal halide perovskite solar cells (PSCs) currently attract enormous research interest because of their high solar-to-electric power conversion efficiency (PCE) and low fabrication costs, but their p...