News - Page 12 of 60 - Institute of Crystallography

Unveiling the Influence of Hydrated Deep Eutectic Solvents on the Dynamics of Water-Soluble Proteins

30/11/2023

Deep eutectic solvents (DESs) are mixtures of two ormore purecompounds (e.g., Lewis or Bronsted acids and bases, anionic and/orcationic species) in a well-defined stoichiometric proportion, witha melting point lower to...

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New features of the RootProf program for model-free analysis of unidimensional profiles

30/11/2023

The RootProf computer program applies multivariate model-free analysis to crystallographic data and to any x, y experimental data in general. It has been enhanced with several new features, including a...

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Forcing Twisted 1,7-Dibromoperylene Diimides to Flatten in the Solid State: What a Difference an Atom Makes

19/11/2023

Perylene diimides (PDI) are workhorses in the field of organic electronics, owing to their appealing n-semiconducting properties. Optimization of their performances is widely pursued by bay-atom substitution and diverse imide...

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One and Two-Dimensional 1,4-Xylylenediammonium (pXDA) Lead Halides: Powders and Thin Films

19/11/2023

The discovery of new 3D perovskites and their 2D and 1D analogues continues to attract the interest of the scientific community and therefore the understanding of their structural, optical, and...

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Energy Transfer from Magnetic Iron Oxide Nanoparticles: Implications for Magnetic Hyperthermia

19/11/2023

Magnetic iron oxide nanoparticles (IONPs) have gained momentum in the field of biomedical applications. They can be remotely heated via alternating magnetic fields, and such heat can be transferred from...

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Using Imidazolium in the Construction of Hybrid 2D and 3D Lead Bromide Pseudoperovskites

19/11/2023

The field of hybrid organic-inorganic perovskite materials continues to attract the interest of the scientific community due to their fascinating properties and the plethora of promising applications in photovoltaic and...

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Site occupancy factors in the Debye Scattering Equation. A theoretical discussion on significance and correctness

19/11/2023

The Debye scattering equation (DSE) [Debye (1915). Ann. Phys. 351, 809-823] is widely used for analyzing total scattering data of nanocrystalline materials in reciprocal space. In its modified form (MDSE)...

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Molecular Design and Crystal Chemistry of Polyfluorinated Naphthalene-bis-phenylhydrazimides with Superior Thermal and Polymorphic Stability and High Solution Processability

19/11/2023

Naphthalene tetracarboxylic diimides (NDIs) are highly promising air-stable n-type molecular semiconductor candidates for flexible and cost-effective organic solar cells and thermoelectrics. Nonetheless, thermal and polymorphic stabilities of environmentally stable NDIs...

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A polyfluorinated naphthalene-bis-hydrazimide for solution-grown n-type semiconducting films

19/11/2023

Naphthalene tetracarboxylic diimides (NDIs), possessing low-lying and tunable LUMO levels, are of wide interest for their aptitude to provide cost-effective, flexible, and environmentally stable n-type organic semiconductors through simple solution...

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Coupling to Octahedral Tilts in Halide-Perovskite Nanocrystals Induces Phonon-Mediated Attractive Interactions between Excitons

19/11/2023

Understanding the origin of electron-phonon coupling in lead halide perovskites is key to interpreting and leveraging their optical and electronic properties. Here we show that photoexcitation drives a reduction of...

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