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- 2015-09-29 A carbon nanotube optical rectenna
- An optical rectenna—a device that directly converts free-propagating electromagnetic waves at optical frequencies to direct current—was first proposed over 40 years ago, yet this concept has not bee...
- 2015-09-28 High damage tolerance of electrochemically lithiated silicon
- Mechanical degradation and resultant capacity fade in high-capacity electrode materials critically hinder their use in high-performance rechargeable batteries. Despite tremendous efforts devoted to th...
- 2015-09-28 Unravelling doping effects on PEDOT at the molecular level: from geometry to thermoelectric transport properties
- Tuning carrier concentration via chemical doping is the most successful strategy to optimize the thermoelectric figure of merit. Nevertheless, how the dopants affect charge transport is not completely...
- 2015-09-25 Alkaline quinone flow battery
- Storage of photovoltaic and wind electricity in batteries could solve the mismatch problem between the intermittent supply of these renewable resources and variable demand. Flow batteries permit more ...
- 2015-09-25 Atomically thin two-dimensional organic-inorganic hybrid perovskites
- Organic-inorganic hybrid perovskites, which have proved to be promising semiconductor materials for photovoltaic applications, have been made into atomically thin two-dimensional (2D) sheets. We repor...
- 2015-09-25 Platinum-nickel frame within metal-organic framework fabricated in situ for hydrogen enrichment and molecular sieving
- Developing catalysts that provide the effective activation of hydrogen and selective absorption of substrate on metal surface is crucial to simultaneously improve activity and selectivity of hydrogena...
- 2015-09-25 Atomistic understandings of reduced graphene oxide as an ultrathin-film nanoporous membrane for separations
- The intrinsic defects in reduced graphene oxide (rGO) formed during reduction processes can act as nanopores, making rGO a promising ultrathin-film membrane candidate for separations. To assess the po...
- 2015-09-25 Direct view on the phase evolution in individual LiFePO4 nanoparticles during Li-ion battery cycling
- Phase transitions in Li-ion electrode materials during (dis)charge are decisive for battery performance, limiting high-rate capabilities and playing a crucial role in the cycle life of Li-ion batterie...
- 2015-09-25 Palladium-Based Nanomaterials: Synthesis and Electrochemical Applications
- Pd is well-known for its remarkable capacity for hydrogen absorption/adsorption, and is broadly employed as a primary catalyst for the low-temperature reduction of automobile pollutants, hydrogenation...
- 2015-09-25 Flow Batteries: Current Status and Trends
- The projected life of RFB systems is longer than that of conventional batteries, although it should be still verified in field tests. Combined with higher usable storage capacity of RFBs, it results i...
- 2015-09-22 Graphite-Conjugated Pyrazines as Molecularly Tunable Heterogeneous Electrocatalysts
- Condensation of ortho-phenylenediamine derivatives with ortho-quinone moieties at edge planes of graphitic carbon generates graphite-conjugated pyrazines (GCPs) that are active for oxygen reduction el...
- 2015-09-21 Hyperbranched Self-Immolative Polymers (hSIPs) for Programmed Payload Delivery and Ultrasensitive Detection
- Upon stimuli-triggered single cleavage of capping moieties at the focal point and chain terminal, self-immolative dendrimers (SIDs) and linear self-immolative polymers (l-SIPs) undergo spontaneous dom...
- 2015-09-21 Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells
- Despite numerous organic semiconducting materials synthesized for organic photovoltaics in the past decade, fullerenes are widely used as electron acceptors in highly efficient bulk-heterojunction sol...
- 2015-09-21 Function-Led Design of Aerogels: Self-Assembly of Alloyed PdNi Hollow Nanospheres for Efficient Electrocatalysis
- One plausible approach to endow aerogels with specific properties while preserving their other attributes is to fine-tune the building blocks. However, the preparation of metallic aerogels with design...
- 2015-09-18 Coordination tuning of cobalt phosphates towards efficient water oxidation catalyst
- The development of efficient and stable water oxidation catalysts is necessary for the realization of practically viable water-splitting systems. Although extensive studies have focused on the metal-o...
- 2015-09-18 A porous proton-relaying metal-organic framework material that accelerates electrochemical hydrogen evolution
- The availability of efficient hydrogen evolution reaction (HER) catalysts is of high importance for solar fuel technologies aimed at reducing future carbon emissions. Even though Pt electrodes are exc...
- 2015-09-18 Efficient direct solar-to-hydrogen conversion by in situ interface transformation of a tandem structure
- Photosynthesis is nature’s route to convert intermittent solar irradiation into storable energy, while its use for an industrial energy supply is impaired by low efficiency. Artificial photosynthesis...
- 2015-09-18 Dynamic kirigami structures for integrated solar tracking
- Optical tracking is often combined with conventional flat panel solar cells to maximize electrical power generation over the course of a day. However, conventional trackers are complex and often requi...
- 2015-09-18 One-Pot Synthesis of Carbon Nanofibers from CO2
- Carbon nanofibers, CNFs, due to their superior strength, conductivity, flexibility, and durability have great potential as a material resource but still have limited use due to the cost intensive comp...
- 2015-09-18 Nonstoichiometric Oxides as Low-Cost and Highly-Efficient Oxygen Reduction/Evolution Catalysts for Low-Temperature Electrochemical Devices
- This review has highlighted the recent advances in the development of nonstoichiometric oxides, ranging from simple oxide, perovskite, layered perovskite, and pyrochlore, for ORR and OER in MABs and L...