π-π stacking derived from graphene-like biochar/g-C3N4 with tunable band structure for photocatalytic antibiotics degradation via peroxymonosulfate activation

Rongdi Tang, Daoxin Gong, Yaocheng Deng, Sheng Xiong, Jiangfu Zheng, Ling Li, Zhanpeng Zhou, Long Su, Jia Zhao