Featured
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Functional composites by programming entropy-driven nanosheet growth
Following a micro-then-nano growth sequence to fabricate composites that are blends of block-copolymer-based supramolecules, small molecules and nanoparticles shows that high-performance barrier materials can be manufactured by means of entropy-driven assembly.
- Emma Vargo
- , Le Ma
- & Ting Xu
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Article |
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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Article
| Open Access
Chemical crystallography by serial femtosecond X-ray diffraction
Small-molecule serial femtosecond X-ray crystallography (smSFX) characterizes microcrystals by indexing sparse serial XFEL diffraction frames, with little sample preparation, without beam damage, and at room temperature and pressure.
- Elyse A. Schriber
- , Daniel W. Paley
- & J. Nathan Hohman
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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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Lanthanide-doped inorganic nanoparticles turn molecular triplet excitons bright
Optically dark (non-emitting) triplet excitons on organic molecules may be rendered bright by coupling the molecules to lanthanide-doped nanoparticles, providing a way to control such excitons in optoelectronic systems.
- Sanyang Han
- , Renren Deng
- & Akshay Rao
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Article |
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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Letter |
Perovskite light-emitting diodes based on spontaneously formed submicrometre-scale structures
The formation of submicrometre-scale structure in perovskite light-emitting diodes can raise their external quantum efficiency beyond 20%, suggesting the possibility of both high efficiency and high brightness.
- Yu Cao
- , Nana Wang
- & Wei Huang
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Letter |
Self-assembly of highly symmetrical, ultrasmall inorganic cages directed by surfactant micelles
Machine-learning algorithms are used to generate single-particle three-dimensional reconstructions, revealing that highly symmetrical dodecahedral silica cages, around 10 nm in size, self-assemble in the presence of surfactant micelles.
- Kai Ma
- , Yunye Gong
- & Ulrich Wiesner
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Letter |
Systems of mechanized and reactive droplets powered by multi-responsive surfactants
Droplets covered with surfactants that respond to multiple stimuli can assemble into hierarchical assemblies or non-spherical, patchy structures, mimic systems of mechanical gears, and even harbour sequences of chemical reactions.
- Zhijie Yang
- , Jingjing Wei
- & Bartosz A. Grzybowski
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Letter |
Enzymatic mineralization generates ultrastiff and tough hydrogels with tunable mechanics
Synthetic hydrogels are here created by enzyme-induced mineralization of hydrogel networks, yielding materials that are tough yet impressively stiff, with calcium phosphate particles distributed homogeneously throughout the network.
- Nicolas Rauner
- , Monika Meuris
- & Joerg C. Tiller
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Letter |
Mixed aromatic–aliphatic organic nanoparticles as carriers of unidentified infrared emission features
- Sun Kwok
- & Yong Zhang
Nano-achiral complex composites for extreme polarization optics