What question did this study set out to answer?

This research aims to address the challenge of preserving metastable pentazolate anions synthesized under high pressure when exposed to ambient conditions.

May 15, 2026

Preservation of High-Pressure Synthesized Pentazolate Anions Cyclo-N5⁻ Confined in Sp3-hybridized Boron Nitride

LGLinlin GuoHenan Academy of Sciences SLShuang LiuJilin University YLYuan-yuan LiuJilin University

Key Points

This research aims to address the challenge of preserving metastable pentazolate anions synthesized under high pressure when exposed to ambient conditions.
Utilized high-pressure synthesis techniques for pentazolate anions.
Investigated stability of synthesized materials under varying ambient conditions.
Employed characterization methods to assess the structural integrity of confined materials.
Successfully preserved pentazolate anions in sp3-hybridized boron nitride structures.
Characterized stable phase retention, showing significant resistance to decomposing under ambient conditions.

Abstract

High pressure offers a powerful approach for synthesizing novel functional materials, yet the preservation of such metastable phases under ambient conditions remains a major challenge. This work highlights the pivotal...

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