Chemical stability of hydrogen boride nanosheets in water

Abstract Boron-based two-dimensional materials are of interest for use in electronic devices and catalytic applications, which it is important that they chemically stable. Here, we explore the chemical stability hydrogen boride nanosheets water. Experiments reveal mixing water produces negligible amounts hydrogen, suggesting hydrolysis does not occur stable water, contrast to most boron hydride materials. First-principles calculations sheets interact weakly with even presence defects negatively charged prevents onset hydrolysis. We conclude charge state covalent boron-boron bond network responsible structural stability. On other hand, found proton exchange indicating become acidic