|
Van der Waals epitaxy between the highly lattice mismatched Cu-doped FeSe and Bi2Te3
10.1038/am.2017.111 2017-07-01 We present a structural and density functional theory study of FexCu1−xSe within the three-dimensional topological insulator Bi2Te3. The FexCu1−xSe inclusions are single-crystalline and epitaxially oriented with respect to the Bi2Te3 thin film. Aberration-cor... |
|
|
Beyond 8% ultrathin kesterite Cu2ZnSnS4 solar cells by interface reaction route controlling and self-organized nanopattern at the back contact
10.1038/am.2017.103 2017-07-01 Highly efficient, ultrathin (~400 nm) pure sulfide kesterite Cu2ZnSnS4 (CZTS) solar cells have been realized by interface reaction route controlling and self-organized nano-pattern at the back contact. The Al2O3 intermediate layer introduced at the Mo/CZTS in... |
|
|
Three-dimensional buckled honeycomb boron lattice with vacancies as an intermediate phase on the transition pathway from α-B to γ-B
10.1038/am.2017.98 2017-07-01 In the phase diagram of elemental boron, an unknown high-pressure form was identified as γ-orthorhombic boron (γ-B28), provoking studies of the extraordinary properties of its main building blocks, B12 icosahedra and B2 dumbbells. Although two low-pressure ph... |
|
|
Construction of a photothermal Venus flytrap from conductive polymer bimorphs
10.1038/am.2017.101 2017-07-01 A photothermally foldable soft bimorph was prepared via the dry transfer of poly(3,4-ethylenedioxythiophene) (PEDOT) doped with tosylate onto a poly(dimethylsiloxane) film. The photothermal folding was optimized via reversible actuation by controlling the thi... |
|
|
Full picture discovery for mixed-fluorine anion effects on high-voltage spinel lithium nickel manganese oxide cathodes
10.1038/am.2017.90 2017-07-01 Small amounts of fluorine substituting for oxygen deficiencies could reduce Mn dissolution, enhancing the cyclability in spinel-type lithium nickel manganese oxides (LiNi0.5Mn1.5O4). Fluorine anion incorporation simultaneously enhances the C-rate capability a... |
|
|
Thermoelectric performance of CuFeS2+2x composites prepared by rapid thermal explosion
10.1038/am.2017.80 2017-06-01 Although many thermoelectric materials, such as Bi2Te3, PbTe and CoSb3, possess excellent thermoelectric properties, they often contain toxic and expensive elements. Moreover, most of them are synthesized by processes such as vacuum melting, mechanical alloyi... |
|
|
Pine cone scale-inspired motile origami
10.1038/am.2017.79 2017-06-01 Stimuli-sensitive hydrogels have received attention because of their potential applications in various fields. Stimuli-directed motion offers many practical applications, such as in drug delivery systems and actuators. Directed motion of asymmetric hydrogels ... |
|
|
Intrinsically low thermal conductivity from a quasi-one-dimensional crystal structure and enhanced electrical conductivity network via Pb doping in SbCrSe3
10.1038/am.2017.77 2017-06-01 The development of new routes for the production of thermoelectric materials with low-cost and high-performance characteristics has been one of the long-term strategies for saving and harvesting thermal energy. Herein, we report a new approach for improving t... |
|
|
A new biocatalyst employing pyrenecarboxaldehyde as an anodic catalyst for enhancing the performance and stability of an enzymatic biofuel cell
10.1038/am.2017.75 2017-06-01 A new enzyme catalyst consisting of pyrenecarboxaldehyde (PCA) and glucose oxidase (GOx) immobilized on polyethyleneimine (PEI) and a carbon nanotube supporter (CNT/PEI/[PCA/GOx]) is suggested, and the performance and stability of an enzymatic biofuel cell (E... |
|
|
Superaerophobic graphene nano-hills for direct hydrazine fuel cells
10.1038/am.2017.55 2017-05-19 Authors: Kamran Akbar, Jung Hwa Kim, Zonghoon Lee, Minsoo Kim, Yeonjin Yi & Seung-Hyun Chun |