Publications de Yuxuan Zhang | EPFL Graph Search

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Organic-inorganic hybrid perovskite materials, such as formamidinium lead iodide (FAPbI3), are among the most promising emerging photovoltaic materials. However, the spontaneous phase transition from the photoactive perovskite phase to an inactive non-pero ...

A-site cation mixing can enhance the photovoltaic performance of a wide-bandgap (WBG) perovskite, but rubidium (Rb) cation mixing generally forms a nonperovskite phase. We report that lattice strain locks Rb ions into the α-phase of the lattice of a triple ...

Nuclear Magnetic Resonance (NMR) chemical shifts are powerful probes of local atomic and electronic structure that can be used to resolve the structures of powdered or amorphous molecular solids. Chemical shift driven structure elucidation depends critical ...

Dynamic nuclear polarization (DNP) can significantly enhance the sensitivity of NMR spectroscopy, via the transfer of polarization from unpaired electrons to nuclei. As a result, there is considerable interest in improving DNP efficiency, particularly thro ...

Yuxuan Zhang

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Formamidinium Incorporates into Rb-based Non-Perovskite Phases in Solar Cell Formulations

Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss

A Deep Learning Model for Chemical Shieldings in Molecular Organic Solids Including Anisotropy

Systematic Evaluation of Polarizing Agents for Dynamic Nuclear Polarization Enhanced NMR