Materials Literature
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Self‐assembly of conjugated organic semiconductors into ordered, larger scale entities is a critical process to achieve efficient charge transport at the nano‐ through macro‐scales, and various methodologies aimed at enhancing molecular ordering have been introduced. However, mechanistic understanding is limited. Here…
A photocatalytic system for CO2 reduction exhibiting visible-light harvesting was developed by preparing a hybrid consisting of a supramolecular metal complex as photocatalyst and periodic mesoporous organosilica (PMO) as light harvester. A Ru(II) Re(I) binuclear complex (RuRe) with methylphosphonic acid anchor grou…
Application of copper nanowires (Cu NWs) for interconnects in future nanodevices must meet the following needs: environmental stability and superior electrical transport properties. Here, we demonstrate a kind of Cu NW that possesses the both properties. The Cu NWs were synthesized through a hydrothermal route with th…
The dual-fermion approach offers a way to perform diagrammatic expansion around the dynamical mean field theory. Using this formalism, the influence of antiferromagnetic fluctuations on the self-energy is taken into account through ladder-type diagrams in the particle-hole channel. The resulting phase diagram for the…
The effect of plasmonic nanoparticles (NPs) on the photoelectrochemical water splitting performance of CuWO 4 is studied here for the first time. CuWO 4 thin films were functionalized with well-defined Au NPs in two composite configurations: with the NPs (I) at the CuWO 4 –electrolyte interface and (II) at the CuWO 4…
This study reports the first successful nanoscale encapsulation of triplet-triplet annihilation upconversion (TTA-UC) medium within a rigid silica shell using a self-assembly microemulsion process. These newly synthesized nanocapsules present a few critical advances that could be instrumental for a wide range of aqueo…
We demonstrate that optical second-harmonic generation (SHG) from arrays of noncentrosymmetric gold nanoparticles depends essentially on particle geometry. We prepare nanoparticles with different geometrical shapes (L and T) but similar wavelengths for the polarization-dependent plasmon resonances. In contrast to rece…
This Review provides a brief summary of the most recent research developments in the synthesis and application of nanostructured metal oxide semiconductors for dye sensitized and quantum dot sensitized solar cells. In these devices, the wide bandgap semiconducting oxide acts as the photoanode, which provides the scaff…
Poly(stearyl methacrylate) (PSMA) homopolymers, prepared by RAFT radical polymerization, have been employed in the RAFT dispersion polymerization (RAFTDP) of 3-phenylpropyl methacrylate (PPMA) in n -tetradecane. RAFTDPs yielded block copolymers with narrow molecular weight distributions and tunable compositions and al…
A combination of measurements using photoelectron spectroscopy and calculations using density functional theory (DFT) was applied to compare the detailed electronic structure of the organolead halide perovskites CH 3 NH 3 PbI 3 and CH 3 NH 3 PbBr 3 . These perovskite materials are used to absorb light in mesoscopic an…
Significance: Injuries to the skin as a result of illness or injury, particularly chronic nonhealing wounds, present a major healthcare problem. Traditional wound care approaches attempt to control the underlying causes, such as infection and ischemia, while the application of wound dressings aims to modify a poorly h…
Efficient, neutral-colored semitransparent solar cells are of commercial interest for incorporation into the windows and surfaces of buildings and automobiles. Here, we report on semitransparent perovskite solar cells that are both efficient and neutral-colored, even in full working devices. Using the microstructured…
Highly flexible bismuth Hall sensors on polymeric foils are fabricated, and the key optimization steps that are required to boost their sensitivity to the bulk value are identified. The sensor can be bent around the wrist or positioned on the finger to realize an interactive pointing device for wearable electronics. F…
This letter reports on the investigation of a binder-free cathode material to be used in rechargeable aluminum batteries. This cathode is synthesized by directly depositing V2O5 on a Ni foam current collector. Rechargeable aluminum coin cells fabricated using the as-synthesized binder-free cathode delivered an initial…
Underdoped high-Tc superconductors are frequently characterised by a temperature, T*, below which the normal-state pseudogap opens. Two different “phase diagrams ” based on the doping (p) dependence of T * are currently considered: one where T * falls to zero at a critical doping state and the other where T * merges w…
Graphene oxide colloid has been widely used in the synthesis of various graphene-based materials. Graphene oxide sheets, with a low bending rigidity, can be folded when assembled in aqueous phase. A simple but industrial scalable way, aerosol processing, can be used to fabricate folded graphene-based materials. These…
We measured the pressure dependence of in-plane resistivity ${\ensuremath{\rho}}_{ab}$ in the recently discovered iron-based superconductor ${\mathrm{Ca}}_{10}({\mathrm{Ir}}_{4}{\mathrm{As}}_{8}){({\mathrm{Fe}}_{2\ensuremath{-}x}{\mathrm{Ir}}_{x}{\mathrm{As}}_{2})}_{5}$, which shows a unique structural phase transitio…
The title compound, Ca3ZnGeO2[Ge4O12] (tricalcium zinc germanium dioxide dodecaoxidotetragermanate), adopts a taikanite-type structure. The tetrahedral [Ge4O12] chain geometry is very similar to that of the silicate chain of taikanite, i.e. BaSr2Mn(3+)2O2[Si4O12], while the major difference is found parallel to the c…
Here, the cylinder to sphere transition property is reported in kinetically trapped block copolymer (BCP) nano‐objects made from polystyrene‐block‐poly(N‐isopropylacrylamide) (PS‐b‐PNIPAM) in ethanol. The PS‐b‐PNIPAM BCPs are found to self‐assemble into hexagonally packed cylindrical morphology in bulk. When dispersin…
Ferromagnetism, insulator-metal transition and magnetotransport in Pr0.58Ca0.42MnO3 films: role of microstructural perturbations, Agarwal, Vasudha, Siwach, P K, Varma, G D, Awana, V P S, Srivastava, A K, Singh, H K