Poster presentation
282
CHEMICAL SYNTHESIS OF BORON NITRIDE NANOPARTICLES WITH
A HEXAGONAL CRYSTAL STRUCTURE
Sh.Sh. Shakharov
1
, Sh.E. Abdurakhmonov
1,2
, O.E. Abdurakhmonov
1
1) Tashkent University of Chemical Technology, 100011, Uzbekistan,
Tashkent, Ave. Navoi, 32
2) Almalyk branch of the National Research Technological University "MISiS", 110105,
Uzbekistan, Tashkent region, Almalyk, st. Amir Temur, 56
In this work, we investigated a chemical method for the synthesis of boron nitride
(BN) nanoparticles using boric acid and urea as starting materials. The production
process was divided into three stages: the first stage is the preparation of B, N
containing products, the second stage is the preparation of boron nitride nanoparticles,
the third stage is the washing of the obtained boron nitride nanoparticles. The size and
shape of the nanoparticles formed at each stage of synthesis, the elemental and phase
composition of the obtained BN nanoparticles were also studied.
The shape and size of the synthesized boron nitride nanoparticles were studied using
a transmission electron microscope (Figure 1a). The size distribution of BN
nanoparticles is shown in Figure 1b.
Fig. 1. -. (a) TEM image of BN nanoparticles; b – size distribution of nanoparticles
The average size of the resulting nanoparticles is 7.6 nm. The authors developed a
highly efficient method for washing boron nitride of chemical precursors containing B
and N, which makes it possible to obtain pure BN nanoparticles.
The proposed method has proven to be a simple, highly efficient, safe and
inexpensive way to obtain boron nitride nanoparticles, which can later be used in
industry to obtain BN nanoparticles.
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