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图4 ZCGO系列样品在不同监测波长下的激发光谱图和样品在不同光源下的照片

Fig. 4 Excitation spectra under different monitoring wavelengths and photos in different light sources of ZCGO series samples (a) 450 nm; (b) 526 nm; (c) 600 nm; (d) Photographs of ZCGO samples excited by daylight, 254 and 365 nm; Colorful figures are available on website