[1] A ALAGHMANDFARD, K GHANDI. A comprehensive review of graphitic carbon nitride (g-C₃N₄)-metal oxide-based nanocomposites: potential for photocatalysis and sensing. Nanomaterials, 12(2022).

[2] B ZHAO, W ZHONG, F CHEN et al. High-crystalline g-C₃N₄ photocatalysts: synthesis, structure modulation, and H₂-evolution application. Chinese Journal of Catalysis, 52, 127(2023).

[3] A KHARLAMOV, M BONDARENKO, G KHARLAMOVA et al. Synthesis of reduced carbon nitride at the reduction by hydroquinone of water-soluble carbon nitride oxide (g-C₃N₄)O. Journal of Solid State Chemistry, 241, 115(2016).

[4] Y WANG, Y LI, J ZHAO et al. g-C₃N₄/B doped g-C₃N₄ quantum dots heterojunction photocatalysts for hydrogen evolution under visible light. International Journal of Hydrogen Energy, 44(2019).

[5] L Q JING, Y G XU, M XIE et al. Cyano-rich g-C₃N₄ in photochemistry: design, applications, and prospects. Small, 20, 2304404(2024).

[6] L W RUAN, G H XU, L N GU et al. The physical properties of Li-doped g-C₃N₄ monolayer sheet investigated by the first-principles. Materials Research Bulletin, 66, 156(2015).

[7] G LIU, S YAN, L SHI et al. The improvement of photocatalysis H₂ evolution over g-C₃N₄ with Na and cyano-group Co-modification. Frontiers in Chemistry, 7, 639(2019).

[8] J JIANG, S CAO, C HU et al. A comparison study of alkali metal doped g-C₃N₄ for visible-light photocatalytic hydrogen evolution. Chinese Journal of Catalysis, 38(2017).

[9] M ISMAEL. A review on graphitic carbon nitride (g-C₃N₄) based nanocomposites: synthesis, categories, and their application in photocatalysis. Journal of Alloys and Compounds, 846(2020).

[10] J F ZHENG, Z XU, S T XIN et al. Low-temperature molten salt synthesis of Na, K-codoped g-C₃N₄ Fenton-like catalyst with remarkable TCH degradation performance in a wide pH range. Materials Letters, 325, 132912(2022).

[11] K MORI, D TATSUMI, T IWAMOTO et al. Ruthenium(ii) bipyridine nano C₃N₄ hybrids: tunable photochemical properties by using exchangeable alkali metal cations. Chemistry-An Asian Journal, 13(2018).

[12] T SANO, S TSUTSUI, K KOIKE et al. Activation of graphitic carbon nitride (g-C₃N₄) by alkaline hydrothermal treatment for photocatalytic NO oxidation in gas phase. Journal of Materials Chemistry A, 1(2013).

[13] A KUMAR, S KASHYAP, M SHARMA et al. Tuning the surface and optical properties of graphitic carbon nitride by incorporation of alkali metals (Na, K, Cs and Rb): effect on photocatalytic removal of organic pollutants. Chemosphere, 287, 131988(2022).

[14] Y G XU, F Y GE, Z G CHEN et al. One-step synthesis of Fe-doped surface-alkalinized g-C₃N₄ and their improved visible-light photocatalytic performance. Applied Surface Science, 469, 739(2019).

[15] H SUDRAJAT. A one-pot, solid-state route for realizing highly visible light active Na-doped g-C₃N₄ photocatalysts. Journal of Solid State Chemistry, 257, 26(2018).

[16] Y XU, Y GONG, H REN et al. In situ structural modification of graphitic carbon nitride by alkali halides and influence on photocatalytic activity. RSC Advances, 7(2017).

[17] Y M LIU, X ZHANG, J P WANG et al. Preparation of luminescent graphitic C₃N₄ NS and their composites with RGO for property controlling. RSC Advances, 6(2016).

[18] Y H GUAN, S Z HU, G Z GU et al. Alkali hydrothermal treatment to tynthesize hydroxyl modified g-C₃N₄ with outstanding photocatalytic phenolic compounds oxidation ability. Nano: Brief Reports and Reviews, 15(2024).

[19] L S ZHANG, N DING, M HASHIMOTO et al. Sodium-doped carbon nitride nanotubes for efficient visible light-driven hydrogen production. Nano Research, 11(2018).

[20] J Y XU, Y X LI, S Q PENG et al. Eosin Y-sensitized graphitic carbon nitride fabricated by heating urea for visible light photocatalytic hydrogen evolution: the effect of the pyrolysis temperature of urea. Physical Chemistry Chemical Physics, 15(2013).

[21] C HU, W F TSAI, W H WEI et al. Hydroxylation and sodium intercalation on g-C₃N₄ for photocatalytic removal of gaseous formaldehyde. Carbon, 175, 467(2021).

[22] X L WANG, W Q FANG, H F WANG et al. Surface hydrogen bonding can enhance photocatalytic H₂ evolution efficiency. Journal of Materials Chemistry A, 1(2013).

[23] Y X LI, H XU, S OUYANG et al. In situ surface alkalinized g-C₃N₄ toward enhancement of photocatalytic H₂ evolution under visible- light irradiation. Journal of Materials Chemistry A, 4(2016).

[24] H L GAO, S C YAN, J J WANG et al. Towards efficient solar hydrogen production by intercalated carbon nitride photocatalyst. Physical Chemistry Chemical Physics, 15(2013).

[25] Z X SUN, J M T A FISCHER, Q LI et al. Enhanced CO₂ photocatalytic reduction on alkali-decorated graphitic carbon nitride. Applied Catalysis B: Environmental, 216, 146(2017).

[26] M THOMMES, K KANEKO, AV NEIMARK et al. Physisorption of gases, three-dimensional graphene with special reference to the evaluation of surface area and pore size distribution (IUPAC technical report). Pure and Applied Chemistry, 87(2015).

[27] Y J ZHANG, T MORI, J H YE et al. Phosphorus-doped carbon nitride solid: enhanced electrical conductivity and photocurrent generation. Journal of the American Chemical Society, 132(2010).

[28] D L S MAIA, I PEPE, SILVA A F DA et al. Visible-light-driven photocatalytic hydrogen production over dye-sensitized β-BiTaO₄. Journal of Photochemistry and Photobiology A: Chemistry, 243, 61(2012).

[29] C C CHEN, W H MA, J C ZHAO. Semiconductor-mediated photodegradation of pollutants under visible-light irradiation. Chemical Society Reviews, 39(2010).