Modified carbon nitride/cobalt porphyrin photocatalyst and preparation method thereof

• Main Authors: ZHENG QIAN, HUANG XUNHUAI, SONG YANHUA, ZHANG YUANYUAN, ZHENG ZEEN
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention discloses a modified carbon nitride/cobalt porphyrin photocatalyst and a preparation method thereof.The photocatalyst is obtained by wrapping the surface of thin-layer porous modified carbon nitride with spherical cobalt porphyrin in a covalent coupling mode, and the photocatalyst is of an ultra-thin layer structure, has multiple pore structures and has a large surface area to promote exposure of active sites; meanwhile, recombination of photon-generated carriers can be effectively inhibited, so that the CO2 reduction efficiency is improved; the preparation method provided by the invention is simple in process and mild in reaction, so that the whole synthesis process is green and environment-friendly, the product cost is effectively reduced, and the preparation method has very high application prospect and use value. 本发明公开了一种改性氮化碳/钴卟啉光催化剂及其制备方法，所述光催化剂由球状钴卟啉通过共价偶联的方式包裹在薄层多孔的改性氮化碳表面而得，具有超薄层结构并带有较多的孔结构，拥有较大的表面积促进活性位点的暴露，同时可有效抑制光生载流子的复合，从而提高CO2还原效率；本发明提供的制备方法中，工艺简单，反应温和，从而使整个合成过程绿色环保，有效的降低了产品成本，具有很高