Large Volume High Pressure High Temperature Synthesis of Boron Nitride Nanoconfined in Zeolite Matrix

Due to its high band gap (6eV) layered hexagonal boron nitride (BN) is a promising material for the construction of Far UV light emitting devices. Hence, in search of highly efficient and long-life solid state light sources we focused our attention on the preparation of new Far-Ultra Violet (FUV) LED BN-composite materials. Basing on our recent successful experiments on ID15b (CH-5798) we have confirmed that the infiltration of BN molecular precursor – ammonia borane (AB) – into the pores of zeolite host materials, leads to the unprecedented formation of single-strand AB-derived polymers under high pressure high temperature of 300°C. However, the final step of the formation of boron nitride composite requires much higher temperatures. Therefore, we propose a Large Volume Press experiment at ID06-LVP ESRF beamline for in situ determination of the conditions required to synthesize large volumes of BN/zeolite composite at the temperatures up to 1200°C.