| 光生电子调控改性C3N4及其光催化降解性能研究 | 
| 孙寒 | 
| Modification of C3N4 based on photogenerated electron modulation and its visible-light photodegradation performance | 
| Han SUN | 
| 图7 C3N4和5%N-Ct/C3N4的N 1s XPS谱图 | 
| Fig. 7 N 1s XPS spectras of C3N4 and 5%N-Ct/C3N4 | 
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