Organic–inorganic nanostructures articles within Nature Chemistry

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  • Article |

    Two-dimensional hybrid perovskites have gained substantial interest recently due to their controllable optoelectronic properties; however precise control over layer thickness has been synthetically challenging. Now a crystal growth method is shown to achieve high-quality single crystals of organic semiconductor-incorporated perovskites with control over their thickness and length through judicious solvent choice, affording precisely tuned optoelectronic properties.

    • Jee Yung Park
    • , Ruyi Song
    •  & Letian Dou

  • Article |

    Functionalizing two-dimensional transition-metal carbide (MXene) surfaces can alter their properties, but covalent functionalization has been synthetically challenging. Now, it has been shown that various organic groups can be covalently attached to MXene surfaces through amido and imido bonds. The resulting hybrid organic–inorganic structures exhibit Fano resonances and superior stability compared with traditional MXenes with a mixture of –F, –O and –OH surface terminations.

    • Chenkun Zhou
    • , Di Wang
    •  & Dmitri V. Talapin

  • Article |

    Hybrid structures made up of quantum dots functionalized with molecules are highly tunable platforms for light-driven applications; however, the interaction between their components is often weak. Now it has been shown that by connecting molecules to silicon quantum dots via p-conjugated tethers, strongly coupled exciton states can be generated that prove advantageous for photon upconversion.

    • Kefu Wang
    • , R. Peyton Cline
    •  & Ming Lee Tang

  • Article |

    Large biomolecules cannot be loaded into conventional Janus nanoparticles with small mesopores, preventing the establishment of efficient logic-gate systems in single Janus nanoparticles. Now, an emulsion-oriented assembly approach has been shown to fabricate Janus double-spherical nanoparticles with dual-tunable mesopores, enabling the design of various single-particle-level logic systems.

    • Tiancong Zhao
    • , Liang Chen
    •  & Dongyuan Zhao

  • News & Views |

    Among the tens of thousands of reported hybrid organic–inorganic crystals, only a small fraction of them are known to form a stable liquid upon heating. Now, a family of hybrid perovskites is shown to melt and, upon cooling, form glasses with a compelling combination of properties.

    • Morten M. Smedskjaer
    •  & Søren S. Sørensen

  • Article |

    A series of dicyanamide-based hybrid organic–inorganic perovskite structures has been shown to melt at temperatures below 300 °C. On melt-quenching, they form glasses that possess coordination bonding and show very low thermal conductivities and moderate electrical conductivities as well as polymer-like thermomechanical properties.

    • Bikash Kumar Shaw
    • , Ashlea R. Hughes
    •  & Thomas D. Bennett

  • Article |

    Quantum dots functionalized with energy-accepting dyes hold promise for converting low-energy photons into higher-energy visible light for bioimaging, catalysis and solar energy harvesting. Now, it has been shown that non-toxic silicon quantum dots can be used in these systems; the transfer of spin-triplet excitons to molecules at their surface has been observed.

    • Pan Xia
    • , Emily K. Raulerson
    •  & Sean T. Roberts

  • Article |

    A solution-processing step has been used to prepare quantum-well structures that comprise a thin layer of perovskite sandwiched between two layers of conjugated oligothiophene derivatives. The band gap of the resulting 2D hybrid perovskites can be fine-tuned by functionalizing the organic component, which also improves the stability of the system.

    • Yao Gao
    • , Enzheng Shi
    •  & Letian Dou

  • Article |

    The ability to merge the photophysical properties of semiconductor quantum dots with those of well-understood and inexpensive molecular chromophores is important for the development of various emerging photonic and optoelectronic technologies. Now, 1-pyrenecarboxylic acid-functionalized CdSe quantum dots have been shown to undergo thermally activated delayed photoluminescence and display tunable photophysical properties.

    • Cédric Mongin
    • , Pavel Moroz
    •  & Felix N. Castellano

  • News & Views |

    Building materials with clusters instead of atoms promises unconventional properties, but those 'superatomic solids' are often too fragile to manipulate. Now, intercalating a guest within an ionic layered solid made of fullerenes and metal chalcogenide clusters greatly alters its conductivity and optical properties without disrupting its crystalline structure.

    • Shiv N. Khanna
    •  & Arthur C. Reber

  • Article |

    Intercalation — a cornerstone of materials science with wide-ranging applications — has now been demonstrated in a superatomic crystal. A redox-active tetracyanoethylene guest was inserted into the lattice of a material consisting of alternate layers of {Co6Te8} clusters and C60 fullerenes, leading to a single-crystal-to-single-crystal transformation that significantly modulates the material's optical and electrical transport properties.

    • Evan S. O'Brien
    • , M. Tuan Trinh
    •  & Xavier Roy

  • News & Views |

    Nanocrystals with precisely defined structures offer promise as components of advanced materials yet they are challenging to create. Now, a nanocrystal made up of seven cadmium and twelve chloride ions has been synthesized via a biotemplating approach that uses a de novo designed protein.

    • Li Shang
    •  & Gerd Ulrich Nienhaus

  • Perspective |

    The efficient engineering of nanostructures with semiconducting properties is vital to the development of organic electronics. This Perspective discusses a variety of techniques for fabricating such macromolecules, including graphene carving, the stimulus-induced synthesis of conjugated polymers and surface-assisted synthesis, and considers their potential for reproducing chemically and spatially precise molecular arrangements, that is 'molecular blueprints'.

    • Carlos-Andres Palma
    •  & Paolo Samorì

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