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| Open AccessPorous isoreticular non-metal organic frameworks
The use of computational crystal-structure prediction has enabled the targeted assembly of frameworks of porous organic ammonium halide salts that have many of the qualities of metal–organic frameworks despite containing no metal.
- Megan O’Shaughnessy
- , Joseph Glover
- & Andrew I. Cooper
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| Open AccessPhotocatalytic doping of organic semiconductors
A previously undescribed photocatalytic approach enables the effective p-type and n-type doping of organic semiconductors at room temperature using only widely available weak dopants such as oxygen and triethylamine.
- Wenlong Jin
- , Chi-Yuan Yang
- & Simone Fabiano
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Elastic films of single-crystal two-dimensional covalent organic frameworks
- Yonghang Yang
- , Baokun Liang
- & Zhikun Zheng
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Growth of diamond in liquid metal at 1 atm pressure
Diamond crystals and polycrystalline diamond films can be grown using liquid metal at standard pressure and high temperature instead of conventional high pressure and high temperature.
- Yan Gong
- , Da Luo
- & Rodney S. Ruoff
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| Open AccessDesigner phospholipid capping ligands for soft metal halide nanocrystals
Phospholipids enhance the structural and colloidal integrity of hybrid organic–inorganic lead halide perovskites and lead-free metal halide nanocrystals, which then exhibit enhanced robustness and optical properties.
- Viktoriia Morad
- , Andriy Stelmakh
- & Maksym V. Kovalenko
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Water-responsive supercontractile polymer films for bioelectronic interfaces
Water-responsive supercontractile polymer films composed of poly(ethylene oxide) and poly(ethylene glycol)-α-cyclodextrin inclusion complex contract by more than 50% of their original length within seconds after wetting and become soft and stretchable hydrogel thin films that can be used in bioelectronic interfaces.
- Junqi Yi
- , Guijin Zou
- & Xiaodong Chen
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| Open AccessPredicting crystal form stability under real-world conditions
Accuracy of free-energy calculations can be improved by constructing an experimental benchmark for solid–solid free-energy differences, quantifying statistical errors for the computed free energies and placing both hydrate and anhydrate crystal structures on the same energy landscape.
- Dzmitry Firaha
- , Yifei Michelle Liu
- & Marcus A. Neumann
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Anion–π interactions suppress phase impurities in FAPbI3 solar cells
The use of anion–π interactions during perovskite film formation is shown to give better quality perovskite layers with high phase purity, leading to improved photovoltaic devices with high power conversion efficiency.
- Zijian Huang
- , Yang Bai
- & Huanping Zhou
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Geminal-atom catalysis for cross-coupling
Heterogeneous geminal-atom catalysts, which pair single-atom sites in specific coordination and spatial proximity, offer a new avenue for the sustainable manufacture of fine chemicals.
- Xiao Hai
- , Yang Zheng
- & Jiong Lu
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Sustainably sourced components to generate high-strength adhesives
We present a sustainably sourced adhesive system, with performance comparable to that of current industrial products, made from epoxidized soy oil, malic acid and tannic acid, all biomass derived, low cost and readily available.
- Clayton R. Westerman
- , Bradley C. McGill
- & Jonathan J. Wilker
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Towards linking lab and field lifetimes of perovskite solar cells
We correlate lab test and field test results to better predict the performance of perovskite photovoltaics as a step towards real-world implementation.
- Qi Jiang
- , Robert Tirawat
- & Kai Zhu
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Organic–inorganic covalent–ionic molecules for elastic ceramic plastic
Covalent organic molecules can be combined with ionic inorganic molecules to create a hybrid material demonstrating paradoxical mechanical properties in a bottom-up manner, enabling the manufacture of an ‘elastic ceramic plastic’.
- Weifeng Fang
- , Zhao Mu
- & Zhaoming Liu
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Dendrite initiation and propagation in lithium metal solid-state batteries
Analysis of dendrite initiation, owing to filling of pores with lithium by means of microcracks, and propagation, caused by wedge opening, shows that there are two separate processes during dendrite failure of lithium metal solid-state batteries.
- Ziyang Ning
- , Guanchen Li
- & Peter G. Bruce
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Article
| Open AccessDehydration of a crystal hydrate at subglacial temperatures
A porous organic crystal readily and reversibly adsorbs water, with dehydration occurring well below the freezing point of water, which could be seen by a change in colour.
- Alan C. Eaby
- , Dirkie C. Myburgh
- & Leonard J. Barbour
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Mechanistic formulation of inorganic membranes at the air–liquid interface
By switching the nucleation preferences in aqueous systems of inorganic precursors to bias formation and growth at the air–liquid interface, the mechanistic formation of inorganic membranes from the floating-particle system is demonstrated.
- Chen Zhang
- , Wanheng Lu
- & Ghim Wei Ho
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Photonically active bowtie nanoassemblies with chirality continuum
Self-limited assembly of 'imperfect' chiral nanoparticles enables formation of bowtie-shaped microparticles with size monodispersity and continuously variable chirality to be used for printing photonically active metasurfaces.
- Prashant Kumar
- , Thi Vo
- & Nicholas A. Kotov
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A ligand insertion mechanism for cooperative NH3 capture in metal–organic frameworks
A three-dimensional metal–organic framework reversibly binds ammonia by cooperative insertion into its metal–linker bonds to form a dense, one-dimensional coordination polymer, enabling high-capacity ammonia uptake with intrinsic thermal management.
- Benjamin E. R. Snyder
- , Ari B. Turkiewicz
- & Jeffrey R. Long
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A few-layer covalent network of fullerenes
A two-dimensional crystalline polymer of C60, termed graphullerene, is synthesized by chemical vapour transport, and mechanically exfoliated to produce molecularly thin flakes with clean interfaces for potential optoelectronic applications.
- Elena Meirzadeh
- , Austin M. Evans
- & Xavier Roy
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Separating water isotopologues using diffusion-regulatory porous materials
The authors demonstrate efficient separation of water isotopologues at room temperature using two porous coordination polymers that amplify their diffusion-rate difference.
- Yan Su
- , Ken-ichi Otake
- & Cheng Gu
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Discovery of chalcogenides structures and compositions using mixed fluxes
A new methodology for the discovery of chalcogenides by tuning the temperature and flux ratios of systems using mixed fluxes is demonstrated, leading to the synthesis of 30 new and unreported compounds or compositions.
- Xiuquan Zhou
- , Venkata Surya Chaitanya Kolluru
- & Mercouri G. Kanatzidis
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Hydroxamic acid pre-adsorption raises the efficiency of cosensitized solar cells
Two newly designed co-adsorbed dye-sensitized solar cells that harvest light quantitatively across the entire visible domain are described, which offer promising applications as power supplies and battery replacements for low-power electronic devices.
- Yameng Ren
- , Dan Zhang
- & Michael Grätzel
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Open-channel metal particle superlattices
DNA-mediated assembly of hollow nanoparticles can be used in an edge-bonding approach to design and synthesize nanoscale open-channel superlattices, with control of symmetry, geometry and topology.
- Yuanwei Li
- , Wenjie Zhou
- & Chad A. Mirkin
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Intrinsic glassy-metallic transport in an amorphous coordination polymer
An unusual new material, NiTTFtt, is reported that is structurally amorphous, precluding a classical band structure, but detailed characterization reveals high conductivity and a metallic character.
- Jiaze Xie
- , Simon Ewing
- & John S. Anderson
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Additive manufacturing of micro-architected metals via hydrogel infusion
An additive manufacturing technique that infuses 3D printed hydrogels with metallic precursors leads to metallic micromaterials, providing new opportunities for the fabrication of energy materials, micro-electromechanical systems and biomedical devices.
- Max A. Saccone
- , Rebecca A. Gallivan
- & Julia R. Greer
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Shape memory in self-adapting colloidal crystals
Preparing crystals held together with macromolecular bonds can create shape memory materials that can be engineered to exhibit a wide range of reversible changes useful for chemical sensing, optics and robotics.
- Seungkyu Lee
- , Heather A. Calcaterra
- & Chad A. Mirkin
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Surface reaction for efficient and stable inverted perovskite solar cells
A reactive surface engineering approach is used to produce an inverted perovskite solar cell that reaches a power conversion efficiency of 25% and has good operational stability.
- Qi Jiang
- , Jinhui Tong
- & Kai Zhu
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| Open AccessAligned macrocycle pores in ultrathin films for accurate molecular sieving
Selectively functionalized macrocycles were synthesized with reactivities that preferentially aligned to create well-defined pores across an ultrathin nanofilm offering a strategy to create subnanometre channels in polymer membranes, and demonstrating potential for accurate molecular separations.
- Zhiwei Jiang
- , Ruijiao Dong
- & Andrew G. Livingston
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Microporous water with high gas solubilities
Modification of the internal and external surface chemistry of microporous zeolite and metal–organic framework nanocrystals leads to a generalizable strategy to aqueous porous liquids and impart high gas-carrying capacities to liquid water.
- Daniel P. Erdosy
- , Malia B. Wenny
- & Jarad A. Mason
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Asymmetric pore windows in MOF membranes for natural gas valorization
A metal–organic framework membrane based on fumarate and mesaconate linkers is shown to have a pore aperture shape that enables efficient and cost-effective removal of nitrogen and carbon dioxide from methane.
- Sheng Zhou
- , Osama Shekhah
- & Mohamed Eddaoudi
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Synthesis of a monolayer fullerene network
Using an interlayer bonding cleavage strategy, a two-dimensional monolayer fullerene network is prepared; its moderate bandgap makes it a potential candidate for use in two-dimensional electronic devices.
- Lingxiang Hou
- , Xueping Cui
- & Jian Zheng
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Triplet fusion upconversion nanocapsules for volumetric 3D printing
. Triplet fusion upconversion nanocapsules dispersed in a photopolymerizable resin allow for volumetric 3D printing at low-power continuous-wave excitation without support structures.
- Samuel N. Sanders
- , Tracy H. Schloemer
- & Daniel N. Congreve
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Article
| Open AccessReconstructed covalent organic frameworks
A protocol in which monomers are pre-organized using a reversible and removable urea linkage enables the production of covalent organic frameworks with higher crystallinity and porosity than those produced using standard approaches with randomly aligned monomers.
- Weiwei Zhang
- , Linjiang Chen
- & Andrew I. Cooper
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Spin splitting of dopant edge state in magnetic zigzag graphene nanoribbons
Decoupling spin-polarized edge states using substitutional N-atom dopants along the edges of a zigzag graphene nanoribbon (ZGNR) reveals giant spin splitting of a N-dopant edge state, and supports the predicted emergent magnetic order in ZGNRs.
- Raymond E. Blackwell
- , Fangzhou Zhao
- & Felix R. Fischer
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Directed assembly of layered perovskite heterostructures as single crystals
Using organic molecules as directing groups, a wide range of perovskite heterostructures are shown to self-assemble in solution to yield single crystals.
- Michael L. Aubrey
- , Abraham Saldivar Valdes
- & Hemamala I. Karunadasa
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How to design an icosahedral quasicrystal through directional bonding
Model patchy colloids with directional bonding are designed that assemble into icosahedral quasicrystals through the propagation of an icosahedral network of bonds and may be realized using DNA origami particles.
- Eva G. Noya
- , Chak Kui Wong
- & Jonathan P. K. Doye
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Orthogonal-array dynamic molecular sieving of propylene/propane mixtures
A dynamic molecular sieve made from a metal–organic framework with orthogonally arrayed pockets is capable of separating propylene (C3H6) from a propylene (C3H6)/propane (C3H8) gas mixture.
- Heng Zeng
- , Mo Xie
- & Dan Li
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Operando optical tracking of single-particle ion dynamics in batteries
The dynamics of ions within a working lithium-ion battery are examined using optical interferometric scattering microscopy, which allows ion transport to be related to phase transitions and microstructural features.
- Alice J. Merryweather
- , Christoph Schnedermann
- & Akshay Rao
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Polypeptide organic radical batteries
An environmentally friendly, all-organic radical battery is demonstrated, in which redox-active polypeptides perform as both cathode and anode materials, with a metal-free organic electrolyte.
- Tan P. Nguyen
- , Alexandra D. Easley
- & Karen L. Wooley
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Diversity-oriented synthesis of polymer membranes with ion solvation cages
A diversity-oriented synthesis approach that yields a library of architecturally broad microporous polymers is used to develop structurally diverse polymer membranes with ion specificity and to screen their properties.
- Miranda J. Baran
- , Mark E. Carrington
- & Brett A. Helms
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Ligand-engineered bandgap stability in mixed-halide perovskite LEDs
The binding of multidentate ligands to the surface of lead halide perovskite nanocrystals suppresses the formation of surface defects that result in halide segregation, yielding materials with efficient and colour-stable red emission.
- Yasser Hassan
- , Jong Hyun Park
- & Henry J. Snaith
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Self-similar mesocrystals form via interface-driven nucleation and assembly
Mesocrystal formation is investigated for haematite in the presence of oxalate, showing that chemical gradients at interfaces cause nucleation near surfaces rather than in the bulk, followed by particle attachment.
- Guomin Zhu
- , Maria L. Sushko
- & James J. De Yoreo
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Complex structures arising from the self-assembly of a simple organic salt
Frank–Kasper phases are observed in small organic molecules from the crystallization of fampridine hydrochloride into two distinct structures, indicating that complex self-assembled structures can arise from simple organic salts.
- Riccardo Montis
- , Luca Fusaro
- & A. David Rae
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Xolography for linear volumetric 3D printing
By combining the use of photoswitchable photoinitators and intersecting light beams, objects and complex systems can be produced rapidly with higher definition than is possible using state-of-the art macroscopic volumetric methods.
- Martin Regehly
- , Yves Garmshausen
- & Stefan Hecht
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RETRACTED ARTICLE: Room-temperature superconductivity in a carbonaceous sulfur hydride
Room-temperature superconductivity is observed in a photochemically synthesized ternary carbonaceous sulfur hydride system at 15 °C and 267 GPa.
- Elliot Snider
- , Nathan Dasenbrock-Gammon
- & Ranga P. Dias
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Surface coordination layer passivates oxidation of copper
High oxidation resistance, without degradation of thermal or electrical conductivity, is achieved in copper using surface modification by a solvothermal or electrochemical treatment with sodium formate and formation of a thin surface coordination layer.
- Jian Peng
- , Bili Chen
- & Nanfeng Zheng
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Filling metal–organic framework mesopores with TiO2 for CO2 photoreduction
Investigation of a chromium-based metal–organic framework shows that the location of added TiO2 inside specific mesopores strongly affects the ability of the material to catalyse photoreduction of CO2.
- Zhuo Jiang
- , Xiaohui Xu
- & Hexiang Deng
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Two-dimensional halide perovskite lateral epitaxial heterostructures
An epitaxial growth strategy that improves the stability of two-dimensional halide perovskites by inhibiting ion diffusion in their heterostructures using rigid π-conjugated ligands is demonstrated, and shows near-atomically sharp interfaces.
- Enzheng Shi
- , Biao Yuan
- & Letian Dou
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Ionic solids from common colloids
Oppositely charged colloidal particles are assembled in water through an approach that allows electrostatic interactions to be precisely tuned to generate macroscopic single crystals.
- Theodore Hueckel
- , Glen M. Hocky
- & Stefano Sacanna
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Enhancing crystal growth using polyelectrolyte solutions and shear flow
A method of growing crystals that does not require undisturbed solutions involves adding polyelectrolytes to the starter solution and shearing (that is, stirring).
- Jian-Ke Sun
- , Yaroslav I. Sobolev
- & Bartosz A. Grzybowski