Ternary carbodiimides, Ba1-xSrxNCN (x ​= ​0, 0.1, 0.2, 0.5, 0.8, and 1.0) were prepared by an ammonolysis reaction with a (Ba,Sr)CO3 precursor obtained polymerized complex method. A new orthorhombic carbodiimide was at x ​0.1. It coexists SrNCN-type solid solutions between ​0.2 0.5. The crystal structure of Ba0.9Sr0.1NCN determined using single-crystal X-ray powder neutron diffraction data, fou...

A facile method was successfully developed to prepare strontium-tantalum perovskite oxynitride, SrTaO2N, and its solid solutions. Urea employed as a nitriding agent eliminate the use of toxic NH3 gas. In addition, utilization sol-gel-derived Ta2O5 gel Ta precursor allowed for completion nitridation within shorter period at lower calcination temperature compared with conventional ammonolysis pro...

Exploring efficient noble-metal-free water-splitting electrocatalysts from earth-abundant elements is of great importance to realize wide applications in the generation hydrogen fuel for clean energy. Here, a facile route reported synthesize ε-Fe3N single-phase nanoparticles by thermal ammonolysis Fe precursors. The roles nitrogen atoms tailoring evolution reaction (HER) activities have been sy...

Higher N/O increases significantly the V(O,N) oxidation resistance.

Starting from the colored oxynitride LaTiO2N, new perovskite-type solid solutions have been evidenced in the systems La1-xAxTiO2+xN1-x (A = Sr, Ba) by ammonolysis at 950°C of corresponding oxide precursors prepared by molten salt route. The color of the resulting powders varies progressively from the brown of LaTiO2N to the white of the oxide with the decrease of both nitrogen and lanthanum con...