52 Result(s)
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Article
Michael F. Toney
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Open AccessTuning polymer-backbone coplanarity and conformational order to achieve high-performance printed all-polymer solar cells
All-polymer solar cells (all-PSCs) offer improved morphological and mechanical stability compared with those containing small-molecule-acceptors (SMAs). They can be processed with a broader range of conditions...
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Matrix polysaccharides affect preferred orientation of cellulose crystals in primary cell walls
The spatial organization and interactions of constituent components influence cell growth and determine physical and chemical properties of the cell wall, including its rigidity, flexibility, and degradability...
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Open AccessHighly stretchable polymer semiconductor thin films with multi-modal energy dissipation and high relative stretchability
Stretchable polymer semiconductors (PSCs) have seen great advancements alongside the development of soft electronics. But it remains a challenge to simultaneously achieve high charge carrier mobility and stret...
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Open AccessGrazing-incidence diffraction reveals cellulose and pectin organization in hydrated plant primary cell wall
The primary cell wall is highly hydrated in its native state, yet many structural studies have been conducted on dried samples. Here, we use grazing-incidence wide-angle X-ray scattering (GIWAXS) with a humidi...
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Simulation and characterization of cation disorder in \(\hbox {ZnGeP}_{2}\)
New optoelectronic materials are needed for improving the efficiency and reliability of devices such as solar cells. Cation ordering presents one means of controlling optoelectronic properties while introducin...
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Electrochemical ion insertion from the atomic to the device scale
Electrochemical ion insertion involves coupled ion–electron transfer reactions, transport of guest species and redox of the host. The hosts are typically anisotropic solids with 2D conduction planes but can al...
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Fictitious phase separation in Li layered oxides driven by electro-autocatalysis
Layered oxides widely used as lithium-ion battery electrodes are designed to be cycled under conditions that avoid phase transitions. Although the desired single-phase composition ranges are well established n...
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Persistent and partially mobile oxygen vacancies in Li-rich layered oxides
Increasing the energy density of layered oxide battery electrodes is challenging as accessing high states of delithiation often triggers voltage degradation and oxygen release. Here we utilize transmission-bas...
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Retraction Note: Theory-guided Sn/Cu alloying for efficient CO2 electroreduction at low overpotentials
A Correction to this paper has been published: https://doi.org/10.1038/s41929-021-00619-9.
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AI tool makes phase identification crystal clear
Map** X-ray diffraction patterns to crystal structures is a comprehensive and time-consuming task for chemists and materials scientists. In a recent work, researchers developed a machine-learning tool to mak...
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Visualization of dynamic polaronic strain fields in hybrid lead halide perovskites
Excitation localization involving dynamic nanoscale distortions is a central aspect of photocatalysis1, quantum materials2 and molecular optoelectronics3. Experimental characterization of such distortions require...
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Manipulation and statistical analysis of the fluid flow of polymer semiconductor solutions during meniscus-guided coating
Recent work in structure–processing relationships of polymer semiconductors have demonstrated the versatility and control of thin-film microstructure offered by meniscusguided coating (MGC) techniques. Here, w...
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Open AccessPreferred crystallographic orientation of cellulose in plant primary cell walls
Cellulose, the most abundant biopolymer on earth, is a versatile, energy rich material found in the cell walls of plants, bacteria, algae, and tunicates. It is well established that cellulose is crystalline, a...
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Addendum: Editorial Expression of Concern: Theory-guided Sn/Cu alloying for efficient CO2 electroreduction at low overpotentials
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Open AccessSurface regulation enables high stability of single-crystal lithium-ion cathodes at high voltage
Single-crystal cathode materials for lithium-ion batteries have attracted increasing interest in providing greater capacity retention than their polycrystalline counterparts. However, after being cycled at hig...
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Open AccessSubsurface Cooling Rates and Microstructural Response during Laser Based Metal Additive Manufacturing
Laser powder bed fusion (LPBF) is a method of additive manufacturing characterized by the rapid scanning of a high powered laser over a thin bed of metallic powder to create a single layer, which may then be b...
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Li gradients for Li-rich cathodes
Develo** high capacity yet stable cathodes is key to advancing Li-ion battery technologies. Now, a new metal oxide cathode that is rich in Li with a gradient in Li concentration is shown to be stable to O2 rele...
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A map of the inorganic ternary metal nitrides
Exploratory synthesis in new chemical spaces is the essence of solid-state chemistry. However, uncharted chemical spaces can be difficult to navigate, especially when materials synthesis is challenging. Nitrid...
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Open AccessDynamics of pore formation during laser powder bed fusion additive manufacturing
Laser powder bed fusion additive manufacturing is an emerging 3D printing technique for the fabrication of advanced metal components. Widespread adoption of it and similar additive technologies is hampered by ...
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Pathways for practical high-energy long-cycling lithium metal batteries
State-of-the-art lithium (Li)-ion batteries are approaching their specific energy limits yet are challenged by the ever-increasing demand of today’s energy storage and power applications, especially for electr...
