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Showing papers in "Materials Today in 2014"


Journal ArticleDOI
TL;DR: Atomic layer deposition (ALD) is a vapor phase technique capable of producing thin films of a variety of materials as discussed by the authors, including metal oxides such as Zn1−xSnxOy, ZrO2, Y2O3, and Pt.

1,280 citations


Journal ArticleDOI
TL;DR: In this paper, a number of cubic crystals, two-dimensional layered materials, nanostructure networks and composites, molecular layers and surface functionalization, and aligned polymer structures are examined for potential applications as heat spreading layers and substrates, thermal interface materials, and underfill materials in future-generation electronics.

1,269 citations


Journal ArticleDOI
TL;DR: A review of recent tribological studies based on graphene from the nano-scale to macro-scale, in particular, its use as a self-lubricating solid or as an additive for lubricating oils is provided in this paper.

1,064 citations


Journal ArticleDOI
Leonid Ionov1
TL;DR: A brief overview of stimuli-responsive hydrogel actuators with respect to their sensitivity to different stimuli, different kinds of deformation, the possibilities of generating different types of movement, as well as their applications can be found in this paper.

530 citations


Journal ArticleDOI
TL;DR: Graphene research has accelerated exponentially since 2004 when graphene was isolated and characterized for the first time utilizing the ‘Scotch Tape’ method by Geim and Novoselov and given the reports of unique electronic properties that followed.

504 citations


Journal ArticleDOI
TL;DR: Research on batteries with an emphasis on Li-ion battery technology is reviewed, examining its suitability for EV applications and other battery systems that may be of importance for load-levelling applications, including rechargeable magnesium batteries.

485 citations


Journal ArticleDOI
TL;DR: The incorporation of sensing methods with transistors facilitates large-area sensor arrays as discussed by the authors, which has potential important applications in advanced robotics, prosthetics, and health monitoring technologies, but many opportunities remain for future development.

445 citations


Journal ArticleDOI
TL;DR: In this article, a review of state-of-the-art and future perspectives for hydrogen-containing solids is discussed, with a focus on metal borohydrides, which reveal significant structural flexibility and may have a range of new interesting properties combined with very high hydrogen densities.

398 citations


Journal ArticleDOI
TL;DR: In this paper, the current state-of-the-art perovskite solar cells are distilled and highlighted to ascertain the scientific challenges as well as the requisites to make this technology market-viable.

363 citations


Journal ArticleDOI
TL;DR: In this paper, various methods and paths for the preparation of composites are discussed, especially for those which have been successfully applied to gas and liquid phase adsorptions, and several applications in adsorptive processes are discussed.

335 citations


Journal ArticleDOI
TL;DR: In this paper, a review summarizes state of the art metal oxide materials used in two-step thermochemical redox cycles for the production of H2 and CO from H2O and CO2 using concentrated solar energy.

Journal ArticleDOI
TL;DR: The magnetoelectric effect, with cross-correlation coupling between magnetic and electric degrees of freedom, is associated with two promising application scenarios: magnetic field sensors and electric-write magnetic-read memory devices as discussed by the authors.

Journal ArticleDOI
TL;DR: A doping-free approach for carbon nanotubes (CNTs) has emerged from this research as mentioned in this paper, which utilizes the contact control on the properties of field effect transistors (FETs), preserving the perfect lattice of the CNT making it possible for CNT FETs to outperform Si devices.

PatentDOI
TL;DR: In this article, the authors classify resistive random access memory (RRAM) devices into four categories according to different resistive switching mechanisms, from which the four elements are (1) anion-type RRAM: redox reaction and migration of oxygen ions, (2) cation-type RDAM: the stretch of C C C bond lengths due to oxygen and hydrogen dual ions, and (3) oxide-based electrode: oxygen accumulation in oxide based electrode.

Journal ArticleDOI
TL;DR: In this article, a short review on light-emitting electrochemical cells (LECs) is provided, focusing on the major concepts used to improve their performance and highlighting the recent advances and the main remaining challenges.

Journal ArticleDOI
TL;DR: In this paper, the reduction of ceria particles to the nanoscale has a profound impact on the catalytic behavior and the proliferation of improved synthetic methods that allow control over the final morphology and size of the nano-structures is opening new possibilities in terms of catalytic potential, particularly for energy-related applications.

Journal ArticleDOI
Tao Xu1, Luping Yu1
TL;DR: In this paper, a review of polymer/fullerene systems is highlighted and four synthetic principles are summarized to engineer the bandgap and tune the energy levels and the solubility of the targeted polymers.

Journal ArticleDOI
TL;DR: In this paper, the state-of-the-art of lithium-air (or oxygen) batteries, as well as their future prospects, with a focus on materials, are discussed.

Journal ArticleDOI
TL;DR: In this article, a review highlights a range of new boron and nitrogen-based hydrides and illustrates how hydrogen release and uptake properties can be improved by improving the properties of the hydride.

Journal ArticleDOI
TL;DR: In this article, a review summarizes the recent advancements on the synthesis of NPGs and their applications in field effect transistors (FETs), sensors, electrochemical capacitors, nucleic acid analysis and molecular sieving.

Journal ArticleDOI
TL;DR: A review of GL-LMD/graphene composites in energy storage and conversion can be found in this article, where the remarkable electrochemical properties of these composites for reversible lithium storage are highlighted in particular.

Journal ArticleDOI
TL;DR: In this paper, a major issue in organic solar cells is the poor mobility and recombination of the photogenerated charge carriers, and the active layer has to be kept thin to facilitate charge transport and minimize r...

Journal ArticleDOI
TL;DR: In this article, a review of high capacity Si-based nanostructured anode materials composed of Si and various inactive phase materials is presented, focusing mainly on their electrochemical performances and technical issues when they were employed as anodes for Li-ion batteries.

Journal ArticleDOI
TL;DR: Hydrogels can offer cells an extracellular matrix-like growth environment which traditional culture methods cannot provide, and have great value in tissue engineering and regenerative medicine applications.

Journal ArticleDOI
TL;DR: In this article, the phase transition of olivine LiFePO4 and spinel Li4Ti5O12 is systematically reviewed, and the concepts discussed may be extended to other two-phase Li-intercalation compounds in Li-ion batteries.

Journal ArticleDOI
TL;DR: The synergistic effects of combinatorial anticancer drug and siRNA therapy in various cancer models employing multifunctional drug/siRNA co-delivery nanocarriers have been discussed.

Journal ArticleDOI
TL;DR: Piezoelectric inkjet printing may be used to load microneedles and other drug delivery devices with pharmacologic agents and showed biodegradation and antifungal activity against the organism Candida albicans on Sabouraud dextrose agar using an in vitro agar plating method.

Journal ArticleDOI
TL;DR: An overview of organic-based and more generally molecule-based magnetic materials that exhibit unusual magnetic properties can be found in this paper with emphasis on magnetic ordering using examples possessing organic nitriles ( CN) or inorganic cyanide (CN − ).

Book ChapterDOI
TL;DR: Supramolecular hydrogels are the next-generation materials to enter the biomedical arena and the properties of these materials are vastly different from their covalent counterparts and the exciting developments are summarized in this review.

Journal ArticleDOI
TL;DR: Microporous polymers (MOPs) belong to a relatively new class of polymers that could find applications in gas separation processes, both as adsorbents and as polymer membranes as discussed by the authors.