Phase Diagram Analysis of High-Pressure/High-Temperature Polymorphs of Ammonia Borane

S Nakano, H Fujihisa, H Yamawaki… - Inorganic …, 2024 - ACS Publications
Ammonia borane (NH3BH3) is a promising hydrogen-storage material because of its high
hydrogen density. It is employed as a hydrogen source when synthesizing superconducting …

[HTML][HTML] Size Dependence of the Tetragonal to Orthorhombic Phase Transition of Ammonia Borane in Nanoconfinement

S Najiba, J Chen, MS Islam, Y Sun, A Durygin, V Drozd - Materials, 2024 - mdpi.com
We have investigated the thermodynamic property modification of ammonia borane via
nanoconfinement. Two different mesoporous silica scaffolds, SBA-15 and MCM-41, were …

On the nature of the trimer, tetramer, and pentamer of ammonia borane

AD Zapata-Escobar, T Cárcamo-Camacho… - Theoretical Chemistry …, 2016 - Springer
A stochastic search of stable configurations for ammonia borane trimers, tetramers, and
pentamers affords very rich and complex potential energy surfaces. Structural preferences …

Behavior of decomposed ammonia borane at high pressure

Y Sun, J Chen, V Drozd, S Najiba… - Journal of Physics and …, 2015 - Elsevier
High pressure behavior of ammonia borane after thermal decomposition was studied by
Raman spectroscopy at high pressure up to 10 GPa using diamond anvil cell (DAC). The …

Structural and dynamic properties of the high-pressure, high-temperature phase of solid ammonia borane

L Wang, D Duan, B Zhao, K Bao… - The Journal of Physical …, 2019 - ACS Publications
The increasing decomposition temperature of solid ammonia borane under high pressure
introduces a solid–solid phase transition preceding decomposition. An earlier X-ray …