• Issue

    Advanced Materials Interfaces: Volume 6, Issue 19

    October 9, 2019

Cover Picture

Free Access

Light-Liquid Selective Filters: Light-Liquid Selective Filter-Mounted Nanowire-Networked Polyurethane Fiber for an Ultraviolet Sensor (Adv. Mater. Interfaces 19/2019)

  • First Published: 09 October 2019
Description unavailable

The SnO2 nanowire-networked polyurethane fiber covered with a (1H,1H,2H,2H-heptadecafluorodec-1-yl) phosphonic acid-coated Al2O3 nanoparticles can stably detect ultraviolet intensity even when exposed to liquids. More details can be found in article number 1901015 by Taekyung Lim, Sanghyun Ju, and co-workers.

Inside Front Cover

Free Access

Hybrid Perovskite Spinterfaces: Spin-Polarized Electronic Transport through Ferromagnet/Organic–Inorganic Hybrid Perovskite Spinterfaces at Room Temperature (Adv. Mater. Interfaces 19/2019)

  • First Published: 09 October 2019
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In article number 1900718, Kai Wang, Bin Hu, and co-workers report spin-polarized electronic transport through Ni/CH3NH3PbI3−xClx spinterfaces at room temperature. Both anisotropic magnetoresistance (AMR) and spin-valve based magnetoresistance (MR) are highly decided by the formations of the spinterfaces. The spin accumulation and the change of magnetic moment are further studied by the capacitancefrequency (C-f) and electron paramagnetic (EPR) spectroscopies.

Inside Back Cover

Free Access

Multi-Dimensional Structure: Electrocatalytic Enhancement of 0D/1D/2D Multidimensional PtCo Alloy@Cobalt Benzoate/Graphene Composite Catalyst for Alcohol Electro-Oxidation (Adv. Mater. Interfaces 19/2019)

  • First Published: 09 October 2019
Description unavailable

A novel 1D/2D/3D multidimensional catalyst, which is constructed by PtCo alloy nanoparticles, colalt benzoate nanofibers, and graphene layers, exhibited significant electrocatalytic enhancement and durability extension in variety alcohol oxidation. More details can be found in article number 1900946 by Ping Bai, Zhanli Chai, and co-workers.

Back Cover

Free Access

Carbon Nanotubes: A Molecular Dynamics Study on Self-Assembly of Single-Walled Carbon Nanotubes: From Molecular Morphology and Binding Energy (Adv. Mater. Interfaces 19/2019)

  • First Published: 09 October 2019
Description unavailable

The cover provides an insight into the adsorption behavior of modified single-walled carbon nanotubes (SWNTs) on the functionalized surfaces. On the hydrophilic surfaces, the surfactant encapsulated SWNTs binds to the substrate through its hydrophilic end, while on the hydrophobic surface, the surfactant interacts with the substrate to separate itself from the SWNTs surface and make the assembly unable to complete. More details can be found in article number 1900983 by Jianwei Zhang, Jianlei Cui, and co-workers.

Masthead

Free Access

Masthead: (Adv. Mater. Interfaces 19/2019)

  • First Published: 09 October 2019

Reviews

Hall of Fame Article

Free Access

Van der Waals 2D Transition Metal Tellurides

  • First Published: 09 August 2019
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Transition metal tellurides (TMTs) have various crystal and electronic structures, which endowing its distinctive physical properties, including phase transition, intrinsic ferromagnetism, and superconductivity. Based on these distinctive properties of TMTs, novel field-effect transistors (FET), memory, and optoelectronic devices are designed toward practical applications which will be concerned in the future.

Biofunctionalization of Glass- and Paper-Based Microfluidic Devices: A Review

  • First Published: 07 August 2019
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Incorporation of glass- and paper-based microfluidics in biomedical applications such as biosensors and organs-on-chips necessitates the need for immobilization of biomolecules on the microchannel surface. This review comprehensively explains various biofunctionalization techniques such as silanization process to create functional biointerfaces on the surface of the microchannels.

Communications

Spin-Polarized Electronic Transport through Ferromagnet/Organic–Inorganic Hybrid Perovskite Spinterfaces at Room Temperature

  • First Published: 18 August 2019
Description unavailable

The authors spin-polarized electronic transport through an organic–inorganic hybrid perovskite based spin valve comprising Ni/CH3NH3PbI3−xClx/Ni. Both spinterfaces that are due to the orbital hybridizations of Ni and CH3NH3PbI3−xClx are decisively important for the magnetic switching behavior of the spin valve.

Open Access

Bias-Induced Electrochemical Electron Doping of Organic Semiconductor Contacts

  • First Published: 18 August 2019
Description unavailable

Hole injection into the organic semiconductor from one of the contacts is followed by an ion generation Faradic process, which traps and compensates electrons injected from the opposite contact, leading to the production of electron-doped states at the interface. This effect enables in situ generation of the desired electron-doped (and by corollary, hole-doped) interface for high-quality injection contacts in the completed device.

Transfer-Free Synthesis of Lateral Graphene–Hexagonal Boron Nitride Heterostructures from Chemically Converted Epitaxial Graphene

  • First Published: 08 July 2019
Description unavailable

Synthesis of lateral heterostructures of h-BN and graphene is demonstrated by substitutional doping of epitaxial graphene on SiC. Scanning tunneling microscopy reveals in-plane h-BN domains with a zig-zag interface, while Raman spectroscopy gives insight into the role of defects in the reaction process. This method can be applied at the wafer scale and is compatible with transfer-free device processing.

Li-Breathing Air Batteries Catalyzed by MnNiFe/Laser-Induced Graphene Catalysts

  • First Published: 05 August 2019
Description unavailable

Here, two highly efficient bifunctional oxygen reduction reaction/oxygen evolution reaction (OER/ORR) catalysts are presented through a facile re-lasing method. The MnNiFe/laser-induced graphene (LIG) catalysts shows promising performance with >150 rechargeable cycles in Li–O2 and Li–air batteries. These findings point to efficient bifunctional catalysts for metal–O2 batteries and highlight the importance of tailoring the internal morphology for excellent cycling stability.

Full Papers

Light-Liquid Selective Filter-Mounted Nanowire-Networked Polyurethane Fiber for an Ultraviolet Sensor

  • First Published: 27 August 2019
Description unavailable

The tin oxide (SnO2) nanowire-networked polyurethane fiber covered with a (1H,1H,2H,2H-heptadecafluorodec-1-yl) phosphonic acid-coated aluminum oxide nanoparticles can stably detect ultraviolet intensity even when exposed to liquids. The device consists of SnO2 nanowires, arranged on a polyurethane fiber, with the aim to minimize the amount of current change caused by various tensile and compressive stresses encountered by the wearable sensor.

Electrocatalytic Enhancement of 0D/1D/2D Multidimensional PtCo Alloy@Cobalt Benzoate/Graphene Composite Catalyst for Alcohol Electro-Oxidation

  • First Published: 27 August 2019
Description unavailable

PtCo alloy@cobalt benzoate/graphene (PtCo@Co-BA/Gr) composite catalyst with 0D/1D/2D multidimensional structure exhibits enhanced electrocatalytic performance in acidic media toward the oxidation of various alcohols, which is mainly due to the increased surface area of PtCo by the confinement of mesoporous Co-BA fiber, the promotion of water molecule dissociation of Co-BA skeleton, and the improvement of conductivity by the introduction of graphene.

A Molecular Dynamics Study on Self-Assembly of Single-Walled Carbon Nanotubes: From Molecular Morphology and Binding Energy

  • First Published: 02 September 2019
Description unavailable

The study provides an insight into the adsorption behavior of modified single-walled carbon nanotubes (SWNTs) on the functionalized surfaces, in order to illustrate the mechanism of patterned self-assembly of SWNTs. The electrostatic attraction starts the self-assembly program on the hydrophilic surfaces, while van der Waals interaction between alkyl chains is the determinant of nonassembly behavior on hydrophobic surfaces.

High-Performance P-Type Copper(I) Thiocyanate Thin Film Transistors Processed from Solution at Low Temperature

  • First Published: 30 July 2019
Description unavailable

Copper(I) thiocyanate (CuSCN) thin film transistors gated with ion gel electrolyte are demonstrated. These devices can be fabricated using a simple solution process at low temperature. Doping copper iodide, a p-type dopant, improves their performance. CuSCN transistors have the highest field-effect mobility (0.29 cm2 V−1 s−1) and the lowest operation voltage (<1 V) among the CuSCN transistors previously reported.

Synergistic Effects between MXenes and Ni Chains in Flexible and Ultrathin Electromagnetic Interference Shielding Films

  • First Published: 31 July 2019
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A flexible and ultrathin poly(vinylidene fluoride)/MXene/Ni chain composite film is fabricated. The prepared Mxenes and Ni chains are characterized. The electrical conductivity, electromagnetic interference shielding, and mechanical properties of composite films are investigated. The synergistic mechanisms between MXenes and Ni chains for enhanced electromagnetic interference shielding and mechanical properties are clarified.

Superhydrophobic Fluorine-Containing Protective Coating to Endow Al Nanoparticles with Long-Term Storage Stability and Self-Activation Reaction Capability

  • First Published: 31 July 2019
Description unavailable

In this study, a surface functionalization approach is employed, using the chemical adsorption and autopolymerization effects of the 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FAS-17) coating, to set up a highly stable barrier to water and further endow aluminum nanoparticles with long-term storage stability and self-activation reaction capability.

Influence of Solute Concentration on Meniscus-Guided Coating of Highly Crystalline Organic Thin Films

  • First Published: 05 August 2019
Description unavailable

Systematic studies of the solute concentration influence on the morphology and electrical characteristics of meniscus-guided, single-crystalline films of organic semiconductors are performed. Combining a complete fluid dynamics simulation, including solute transport and precipitation, with a broad set of experimental results helps to clarify the understanding of this technique and provides guidelines for optimization.

Improved Interyarn Friction, Impact Response, and Stab Resistance of Surface Fibrilized Aramid Fabric

  • First Published: 06 August 2019
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This work shows improved interyarn, ballistic, and stab resistance properties in aramid fabric through a basic fibrilization treatment. The treated aramid fabrics display a maximum improvement of 665% in yarn pullout energy, a 10 m s−1 increase in V50 velocity, and 230% higher stab impact resistance, while maintaining its original tensile properties.

Enhancing Photocatalytic Activity of NO Removal through an In Situ Control of Oxygen Vacancies in Growth of TiO2

  • First Published: 07 August 2019
Description unavailable

The medium-degree crystallinity TiO2 sample mainly containing surface O-vacancies (in situ introduced) exhibits the excellent NO removal activity. The systematic study of photocatalytic mechanism demonstrates that the surface O-vacancies significantly promote the adsorption of H2O molecules and improve charge transfer to the adsorbed H2O forming ·OH, thus dramatically enhancing the photocatalytic NO removal activity.

Coupling Nanofibril Lateral Size and Residual Lignin to Tailor the Properties of Lignocellulose Films

  • First Published: 07 August 2019
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A single fiber source is subjected to sequential fractionation to produce high yield nanocelluloses of different widths and residual lignin. The lignin content (bulk and surface) as well as molecular mass is coupled to the fibril lateral dimensions. Such features are exploited to adjust the structural and thermomechanical properties of thin films that can be derived from used paper and recycled fibers.

Unusual Competitive and Synergistic Effects of Graphite Nanoplates in Engine Oil on the Tribofilm Formation

  • First Published: 09 August 2019
Description unavailable

Unusual tribological responses are observed in different graphene concentrations. Low amount addition of graphene (≤0.05 wt%) decreases wear, but friction increases distinguishably due to formation of graphene-reinforced oxide intermediate layer and tribofilm. High amount addition of graphene (>0.05 wt%) reduces friction, but wear aggravates due to agglomeration effect of graphene that destabilizing the structural integrity of the tribofilm.

Amorphous Core–Shell Nanoparticles as a Highly Effective and Stable Battery-Type Electrode for Hybrid Supercapacitors

  • First Published: 12 August 2019
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An amorphous nanoparticles electrode (a battery-type electrode) with silver@amorphous nickel–cobalt hydroxide core–shell nanoparticle structure is synthesized via coordination etching and precipitating route. Benefiting from amorphous core–shell nanostructure and elemental composition of electrode materials, the Ag@NCOH electrode demonstrates highly effective and stable electrochemical performance for hybrid supercapacitors.

Laser-Induced Colloidal Writing of Organometallic Precursor–Based Repeatable and Fast Pd–Ni Hydrogen Sensor

  • First Published: 12 August 2019
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A repeatable process for the fabrication of Pd-based hydrogen sensor is achieved through the laser writing of thin films from a colloidal Pd/Ni nanoparticles dispersion. The fabricated sensors demonstrate excellent hydrogen detection performance in terms of response time, signal stability, and detection limit down to 100 ppm of H2 in air at room temperature.

Synthesis of Joint-Welded Carbon Nanotube Foam @ Ni(OH)2 Nanosheet-Based Core–Shell 3D Architecture for Freestanding Flexible Electrode for Supercapacitor Applications

  • First Published: 12 August 2019
Description unavailable

Freestanding flexible supercapacitor electrode based on Ni(OH)2 core–shell nanosheets grown on a joint-welded carbon nanotube foam network is prepared. The outstanding electrochemical performance attributes to the highly conductive CNTF 3D network and the unique nanostructure design of Ni(OH)2 NSs, which facilitate rapid ion transport near the electrode surfaces, while allowing facile redox reactions associated with charge storage by Ni(OH)2 NSs.

A Novel Icephobic Strategy: The Fabrication of Biomimetic Coupling Micropatterns of Superwetting Surface

  • First Published: 12 August 2019
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A biphilic icephobic surface is successfully fabricated by combining the top-down and bottom-up methods. The wettability shifting structure on the surface can greatly alter the dynamic mechanics of the impacting water droplets and cause the dramatic reduction of ice adhesion strengths, which shows great potential in anti/deicing applications in the future.

Fluorinated Nanocomposite Coatings for Confinement and Pumpless Transport of Low-Surface-Tension Liquids

  • First Published: 18 August 2019
Description unavailable

A composite coating consisting of fluorinated silica (filler), a perfluoroalkyl methacrylate copolymer (binder), and fluorinated polyhedral oligomeric silsesquioxane (additive), is shown to repel organic liquids with surface tension as low as 23.8 mN m−1. Wettability-engineered tracks using this material can transport low-surface-tension liquids pumplessly on open surfaces with speeds exceeding 0.2m s−1.

Nanoparticle-Mediated Enzyme Immobilization on Cellulose Fibers: Reusable Biocatalytic Systems for Cascade Reactions

  • First Published: 24 July 2019
Description unavailable

This study shows a simple and versatile immobilization of enzymes on macroscopic cellulose fibers by the use of gold nanoparticles as a binding layer. The approach is based on adsorption and allows for a robust binding of the enzyme without any chemical treatment. The resulting material can be used for flow-through biocatalytic cascade reactions.

High SERS Sensitivity Enabled by Synergistically Enhanced Photoinduced Charge Transfer in Amorphous Nonstoichiometric Semiconducting Films

  • First Published: 23 August 2019
Description unavailable

The integration of amorphous and nonstoichiometric features of semiconducting surface-enhanced Raman scattering (SERS) materials can lead to synergistically enhanced photoinduced charge transfer resonance between substrate and analytes by offering efficient routes of charge escaping and transferring as well as strong vibronic coupling, thereby enabling dramatically promoted SERS performance.