| 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6 复合材料的扫描和透射电镜(左)和元素分布图像(右) | 
| Fig. 6 SEM/TEM images(left) and element mapping(right) of composite materials | 
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