原位低场核磁共振弛豫法定量监测光催化Cr(Ⅵ)还原反应
牛星星1,白志杰2,杨翼2,高杨文2,王雪璐1,*(
),姚叶锋1,*()
),姚叶锋1,*()
A Quantitative Study of Photocatalytic Reduction of Cr(Ⅵ) by Operando Low-Field NMR Relaxometry
Xing-xing NIU1,Zhi-jie BAI2,Yi YANG2,Yang-wen GAO2,Xue-lu WANG1,*(),Ye-feng YAO1,*()
),Ye-feng YAO1,*()
图6. 可见光照射不同时间时，使用5Ag/g-C3N4复合催化剂得到的反应体系的(a) UV-Vis吸收光谱、(b) Cr(Ⅵ)检测浓度与初始浓度的比值（C/C0）、(c) DPC显色后的颜色
Fig.6. (a) UV-Vis absorption spectra, (b) the relative content of Cr(Ⅵ) (C/C0), and (c) solution color after DPC coloration of the reaction system change with light time using 5Ag/g-C3N4 as catalyst
