缺陷区域电荷不均衡分布导致该微区中心形成局域电场。构建局域电场缺陷是调控氮化碳固体微结构、光生载流子分离和电荷转移的一种新策略。本项目拟通过固体化学局域电场缺陷调控氮化碳，研究孔洞和褶皱、芳香B-N、P-N杂环微区和内嵌金属原子簇缺陷微结构的精准合成。探究表面局域电场影响氮化碳π共轭电子的电荷极化与转移的机理，揭示氮化碳缺陷微结构与表面电势、电荷分布、电荷极化的构效关系。阐明局域电场驱动光生激子分离和电荷转移的作用机理，解析局域电场与光热效应（外场）耦合增强光热催化的机制与新功能。从电子态和原子的电荷分布与转移角度揭示多场耦合光热催化过程中氮化碳固体表面电荷转移的基本规律，进一步丰富和发展以光热催化功能导向的氮化碳固体合成化学。

Local electric field can be built by the imbalanced charge distribution around the defects. It has been a new strategy to regulate the microstructrue, separation of photogenerated carrier and charge transfer for graphitic carbon nitride (g-C3N4) by building a local electric field defects (LEFD). From this point, we will control the g-C3N4 through FEFD in solid state chemistry. To investigate the precise synthesis of g-C3N4 with various defects, such as pores and wrinkles, aromatic B-N and P-N heterocycles implanted nanoscale or atomic-scale area, inserted metal atom clusters. To explore the mechianism for chare polarization and transfer of π conjugate electrons in g-C3N4 affected by the local electric field with intention of uncovering the structure-performance relationship coresponding to the surface electrostatic potential, charge distribution, and charge polarization. And, to elucidate the how the local electric field drives the photogenerated carriers separation and charge transfer, and couples with infrared (IR) photothermal effects to enchance the photothermal catalysis and to endow new functions. Finally, after these investigations, we aim to understand the charge transfer on the solid surface of g-C3N4 during the multiple fields enhanced photothermal catalysis, and further develop the photothermal catalysis functions directed synthetic chemistry for g-C3N4 solid.