
Keywords: ماوراء بنفش خلاء; LDPI-MS; laser desorption postionization mass spectrometry; VUV; vacuum ultraviolet; CNTs; carbon nanotubes; BNNTs; boron nitride nanotubes; IR; infrared; g-C3N4; graphitic carbon nitride; h-BN; hexagonal boron nitride; PALDI-MS; plasma assisted laser des