2021年10月21日 · Apart from the conventional intermediates such as melam and melem, the melon phase has been stabilized via dwell-in thermal condensation temperature at 450 °C. The properties of this melon phase are explored by comparing the characteristics of melam, melem and g-C3N4 using structural, morphological and optical studies.

2023年10月22日 · 氮化碳 (carbon nitride, C3N4) 作为一种研究历史悠久的聚合物，由于其比重小、化学稳定性良好、生物兼容性优越及耐磨性强等特性，在膜材料的设计、金属氮化物的合成及催化剂与催化剂载体的制备等领域有着巨大的应用潜力，受到了研究者长久以来的关注 。

2021年12月2日 · The heptazine-based polymer melon (also known as graphitic carbon nitride, g-C3N4) is a promising photocatalyst for hydrogen evolution. Nonetheless, attempts to improve its inherently low activity are rarely based on rational approaches because of a lack of fundamental understanding of its mechanistic operation.

2024年12月1日 · At approximately 550 °C, melon polymerizes to form g-C 3 N 4 planar structures. Among the various products, melem is the only one to exhibit superior thermodynamic stability, existing in a temperature range of 400–500 °C [[24], [25], [26]].

2024年5月1日 · In summary, a highly crystalline g-C 3 N 4 was synthesized successfully by salt assisted thermal treatment of Melon in the rock/molten salt environment of FeCl 3 /KCl. The obtained sample CNF-RSF exhibited high crystallinity along with abundant nitrogen vacancies and mesoporous structure, which led to its improved visible light absorption ...

Carbon nitrides (CNs), synthesised from melamine at temperatures 400 °C or 525 °C with their derivatives prepared by acidic protonation and oxidation using H 2 SO 4 are tested as co-catalysts for oxygen evolution reaction (OER) modifying anodic Titania nanotubes (TiO 2 –NTs) surface.

2016年7月8日 · The heptazine-based polymer melon (also known as graphitic carbon nitride, g-C3N4) is a promising photocatalyst for hydrogen evolution.

2020年11月10日 · g-c3n4作为一种有机高分子半导体材料，因其可见光活性、成本低、制备方法简单、稳定性好等优点受到广泛关注。不同方法制备的g-c3n4对其光催化活性有显著影响。

The properties of this melon phase are explored by comparing the characteristics of melam, melem and g-C3N4 using structural, morphological and optical studies.

在 400 °C 或 525 °C 的温度下由三聚氰胺合成的氮化碳 （CNs） 及其衍生物使用 H2SO4 作为析氧反应 （OER） 修饰阳极二氧化钛纳米管 （TiO2–NTs） 表面的助催化剂进行测试。 材料具有晶体结构，并包含具有不同末端基团（–NH2、–NHOH、–NO2、–OH、=O）的三-s-庚嗪环，这对它们的催化和光电催化性能很重要。 这些材料表现出 p 型半导体行为。 使用线性扫描伏安法 （LSV） 在黑暗和照明下在电位范围内测试由 n 型 TiO2 和 p 型氮化碳形成的异质结，从而允 …