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Publications (24)
A high-precision technique was utilized to construct and characterize axial nanowire heterojunctions inside a high-resolution transmission electron microscope (HRTEM). By an in-tandem technique using an ultra-sharp tungsten probe as the nanomanipulator and an optical fiber as the optical waveguide the nanoscale CdS/p-Si axial nanowire junctions wer...
The title material is synthesized by solid state reaction of Na2CO3, Mn2O5, and TiO2 (Ar, 900 °C, 20 h).
A new kind of complex hollow structure, ZnO/CdS triple-yolked hollow spheres (TYs), is prepared using a facile method. The formation mechanism is described in terms of a combined effect of the bubble-assisted Ostwald ripening and appropriate ion-exchange processes. The structural effect of ZnO hollow microspheres on the energy conversion efficiency...
Ni@Ag urchin-like assemblies are synthesized. The tips of these products are as tiny as 10 nm and arm apex angles are 39°, and a large amount of "crossing areas" between urchin-like particles are produced due to peculiar magnetically induced assembling. These advantages make them powerful SERS probes for chemical and biological analyses.
On page 757, X. Wang and co-workers reported on a new kind of complex hollow structure: ZnO/CdS triple-yolked hollow spheres (TYs). The uniqueness of TY morphology leads to an enhancement in energy conversion efficiency for semiconductor-sensitized solar cells, as compared with single-shelled hollow spheres. This improvement presents advantages of...
A novel tunnel Na0.61Ti0.48Mn0.52O2 material is explored as a cathode for sodium-ion batteries for the first time. It can deliver a reversible discharge capacity of 86 mA h g(-1) with an average voltage of 2.9 V at 0.2 C rate in a sodium half cell, exhibiting good rate capability and capacity retention at a cut-off voltage of 1.5-4 V. These results...
CdS/ZnO branched heterostructures have been successfully synthesized by combining thermal vapour deposition and a hydrothermal method. Drastic optoelectronic performance enhancement of such heterostructures was revealed, compared to plain CdS nanobelts, as documented by comparative in situ optoelectronic studies on corresponding individual nanostru...
A branched architecture with ZnS backbones and ZnO branches is prepared by combining a facile thermal evaporation process and a hydrothermal growth. The application of nanofilm networks made of branched ZnSZnO nanostructures as a flexible UV photodetector is demonstrated by J. Liu, X. Wang, W. Tian, and co-workers on page 3088. The fabricated devic...
The application of nanofilm networks made of branched ZnS-ZnO nanostructures as a flexible UV photodetector is demonstrated. The fabricated devices show excellent operational characteristics: tunable spectral selectivity, widerange photoresponse, fast response speed, and excellent environmental stability.
Distinct from pure graphene, N-doped graphene (GN) has been found to possess high rate capability and capacity for lithium storage. However, there has still been a lack of direct experimental evidences and fundamental understanding of the storage mechanisms at the atomic scale, that may shed a new light on the reasons of the ultrafast lithium stora...
As important opto-electronical devices, nanofilm photodetectors constructed from inorganic low-dimensional nanostructures have drawn prime attention due to their significance in basic scientific research and potential technological applications. This review highlights a selection of important topics pertinent to inorganic nanofilm photodetectors pr...
Electrospun ZnO-SnO2 heterojunction nanofibers are demonstrated to be promising candidates for easily assembled fully transparent high-performance photodetectors.
Functional materials with both exposed highly reactive planes and hollow structures have attracted considerable attentions with respect to improved catalytic activity and enhanced electrochemical energy storage. Herein, we report the synthesis of unusual single-crystal Co3O4 nanocages with highly exposed {110} reactive facets via a one-step solutio...
Supplementary Information
We report a hard X-ray photoelectron spectroscopy (HX-PES) investigation on valence band structure of Boron Nitrides (BN) having different morphologies, including nanosheets, nanotubes, and micro-sized particles. Very weak morphology/valence band structure dependence was observed. For each case, the B-N π-band overlapping with σ-band between 0 to −...
Nowadays, 2D nanosheets or nanoplatelets have attracted great attention due to their wide applications. However, the synthesis of 2D α-Fe2O3 nanosheets with well-defined hexagonal shape is extremely challenging, because the selective growth along one specific facet is very hard to be realized. In our work, we studied the non-capping ligand mediated...
A high-quality SnO(2) hollow-sphere nanofilm based flexible photodetector was constructed via 'water-oil' interfacial assembling. The photodetector showed high sensitivity, superb stability, and was also able to bear significant external mechanical forces.
Ultrathin nanoporous Fe3O4–carbon nanosheets (NNSs) with a high surface area of 229 m2 g−1 were synthesized by using a two-step method. The high capacitance of 163.4 F g−1 was achieved by utilizing such NNSs electrodes due to their unique feature, which is much higher than those of previously reported Fe3O4 hybrid products. The interconnected porou...
Hollow structured semiconductor oxide materials have been paid more and more attention due to their potential applications in many areas. Cobalt(II,III) oxide (Co3O4) is an important semiconductor oxide and its synthesis and properties have been of growing interest owing to prominent applications in several fields. This article provides a comprehen...
Although there has been significant progress in the fabrication and performance optimization of 1-D nanostructure-based deep-ultraviolet photodetectors, it is still a challenge to develop an effective device with high performance characteristics, such as high photocurrent-dark current ratio and high quantum efficiency. Herein, an efficient and simp...
Doping is an efficient way to tune the electrical and photoelectrical performances of one-dimensional semiconductors which have potential application as active materials in high performance nanoscale devices. Ga2O3 is one the most promising 1D semiconducting systems. However, controlled doping of Ga2O3 toward higher photoelectrical performances in...
Inspired by opening soft drink cans, a one-pot method to prepare ZnO hollow spheres with double-yolk egg (DEH) architectures is developed. The bubble-assisted Ostwald ripening is proposed for the formation of these novel structures. Uniqueness of DEHs morphology led to greatly enhanced photocatalytic activity and photodetector performance. The newl...
Based on the self-ordering behavior of ionic liquids on solid surface, a gold ion containing ionic liquid was employed to obtain a uniform pattern of gold nanoparticles on Si substrate. Using this catalytic pattern, super-dense, centimetre long, well-crystallized and vertically-aligned ZnS nanowire arrays were then generated. It was found that the...
