Materials Literature
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A facile hydrothermal reduction of self-assembled 3D graphene oxide (GO) is reported. A binder-free flexible supercapacitor is fabricated using the 3D graphene made in house, which exhibits high gravimetric capacitance (up to 220 F g−1) and excellent cycle stability with >80% capacitance retention over 10 000 cycles u…
A simple hydrothermal route was developed for the synthesis of uniform α-MnO 2 nanowires. The as-prepared products can be used high performance supercapacitor electrodes and photocatalysts with enhanced photocatalytic activities.
Angle-independent coloured films with superhydrophobicity were fabricated from quasi-amorphous arrays of monodispersed fluorinated silica nanoparticles via one-step spray coating. The film exhibited a high contact angle (>150°) and a low roll-off angle (~2°) and the colour could be tuned to blue, green and moccasin by…
Graphene-assisted charge transportation doubles the power conversion efficiency of PCPDTBT:PCBM:ZnO-based bulk heterojunction solar cells.
The covalent cross-links induced by Fe 3+ -mediated oxidation of catechols were studied and their potential relevance to mussel adhesion was discussed.
Thiol-ene 'click' chemistries have been widely used in biomaterials applications, including drug delivery, tissue engineering, and controlled cell culture, owing to their rapid, cytocompatible, and often orthogonal reactivity. In particular, hydrogel-based biomaterials formed by photoinitiated thiol-ene reactions affo…
We report a versatile approach for the design of substrate-independent low-fouling surfaces via mussel-inspired immobilisation of zwitterionic peptides. Using mussel-inspired polydopamine (PDA) coatings, zwitterionic glutamic acid- and lysine-based peptides were immobilised on various substrates, including noble metal…
Eu 3+ -activated layered perovskite ionic conductor KGdTiO 4 red emitting phosphors to be used for ultraviolet based light emitting diodes (LEDs) and field emission displays (FEDs) were successfully synthesized by a modified sol–gel method.
We present a bottom-up coarse-graining procedure to construct mesoscopic force fields directly from microscopic dynamics. By grouping many bonded atoms in the molecular dynamics (MD) system into a single cluster, we compute both the conservative and non-conservative interactions between neighboring clusters. In partic…
Using quantum chemical and molecular dynamics approaches, we investigated the corrosion inhibition mechanism of the Cu/HNO 3 system in the presence of three triazole derivatives.
In this review, we highlight recent progress of fluorescent nanomaterial-derived white LEDs, including semiconductor nanocrystals or colloidal QD-based LEDs, carbon-based LEDs, silicon QD-based LEDs, and organic–inorganic fluorescent nanocomposite derived white LEDs.
We addressed the potential catalytic role of Pt-embedded graphene in CO oxidation by first-principles-based calculations. We showed that the combination of highly reactive Pt atoms and defects over graphene makes the Pt-embedded graphene a superior mono-dispersed atomic catalyst for CO oxidation. The binding energy of…
Waste heat has been regarded as one of the most important renewable and green energy sources, and its widespread reclamation could help to reduce the negative impacts of global warming and the energy crisis.
The mechanochromism of two phenothiazine-based benzoxazole derivates ( PVB and BPVB ) was compared. The ground film of PVB without bromine atoms can self-cure within 15 min at room temperature, while the ground film for BPVB showed no changes for at least 2 weeks.
The design of cost-effective electrocatalysts and supercapacitor electrode materials with delicate hierarchical morphologies and enhanced functionalities has great potential in energy conversion and storage processes.
The magnetism of the 3d transition-metal (TM) doped single-layer (1L) MoS2, where the Mo atom is partially replaced by the 3d TM atom, is investigated using the first-principles density functional calculations. In a series of 3d TM doped 1L-MoS2's, the induced spin polarizations are negligible for Sc, Ti, and Cr dopin…
We report a direct one-pot approach, employing 11-mercaptoundecanoic acid (11-MUA) as a reducing and capping agent, for the preparation of fluorescent Ag/Au bimetallic nanoclusters (Ag/AuNCs) from HAuCl4 and AgNO3 in basic aqueous solution at room temperature. Unlike the monocomponent 11-MUA-AgNCs with negligible fluo…
Biomimetic nanotechnologies that use peptides to guide the growth and assembly of nanostructures offer new avenues for the creation of functional nanomaterials and manipulation of their physicochemical properties. However, the impacts of peptide sequence and binding motif upon the surface characteristics and physicoch…
This review surveys some of the recent literature concerning the use of polymer coatings for a variety of biomedical applications. These have been grouped into six broad categories: orthopaedic materials, cardiovascular stents, antibacterial surfaces, drug delivery, tissue engineering and biosensors. These, to some ex…
We use a custom shear cell coupled to an optical microscope to investigate at the particle level the yielding transition in concentrated emulsions subjected to an oscillatory shear deformation. By performing experiments lasting thousands of cycles on samples at several volume fractions and for a variety of applied str…