What is the reaction between the ammonium tungstate and NaBH4 when dissolve in De-ionized water?

I am synthesizing WSe2 by hydrothermal method using ammonium tungstate [(NH4)10H2(W2O7)6] and selenium powder. From XRD of a sample, I got tungsten oxide instead of tungsten diselenide. Should...

10 September 2020 7,476 3 View