Observation of crystallineC3N4

Linear and nonlinear optical properties for AA and AB stacking of carbon nitride polymorph (C3N4)

“…20,21 These outcomes have inspired theoretical calculations [22][23][24][25][26] and experimental efforts to synthesize and distinguish this compound. [27][28][29][30][31][32][33][34][35][36][37][38] From the synthesis of amorphous C-N lms, 30,32,36 small crystallites have been discovered in some of these lms. 31,[33][34][35] C 3 N 4 is a chemically stable compound having a good thermal hardness and astonishing optical characteristics that make it suitable as a photocatalyst under visible light.…”

“…[27][28][29][30][31][32][33][34][35][36][37][38] From the synthesis of amorphous C-N lms, 30,32,36 small crystallites have been discovered in some of these lms. 31,[33][34][35] C 3 N 4 is a chemically stable compound having a good thermal hardness and astonishing optical characteristics that make it suitable as a photocatalyst under visible light. The pursuit of C 3 N 4 has potential for introducing new materials with band gap in the 2.6-3.0 eV range for energy, solar, and LED materials.…”

Study of carbon nitride compounds synthesised by co-implantation of 13C and 14N in copper at different temperatures

“…Indeed, the interaction between carbon and nitrogen atoms during the implantation 20 process was enhanced due to their simultaneous arrival within the substrate, and their very 21 low solubility inside copper favoured their precipitation into carbon nitride compounds. 22 Moreover, the high compressive stresses applied by the matrix on the precipitates favoured 23 compact growing structures [14,15]. Finally, the implantations were performed at medium 24 energies (Table 1) so that the carbon and nitrogen atoms were buried from 200 to 900 nm in 25 small quantity of iron perchloride acid.…”

Formation of carbon nitride compounds during successive implantations in copper

“…Indeed, some calculations predicted that α-and β-C 3 N 4 would be harder than diamond [1]. A wide variety of elaboration techniques have been used such as reactive sputtering, chemical vapour deposition, pyrolysis of organic materials, laser deposition and ion implantations [2][3][4][5][6][7]. So far, whatever the technique employed, mixed phase layers are quite often obtained and it remains very difficult to achieve fully crystalline phase formation.…”