1、The studies on photocatalytic hydrogen production of composite photocatalysts Cd/CdS Reporter: Jiajia LiSupervisor: Doctor Wang 010203Next planPreliminary workLiterature reviewLiterature reviewYuying Huang, et al. J. Mater. Chem., 2021, 19, 69016906 Preliminary work微波/光照射下合成Cd/CdSCdSO4 + Na2S2O3 CdS

2、O4 + Na2S2O3 超聲超聲30 min30 min100Hz100Hz 照射照射24 h 24 h 中火中火10 min10 min 離心、洗滌、烘干離心、洗滌、烘干攪拌攪拌20 min模擬太陽光模擬太陽光微波微波Conclusions一、微波/模擬光下合成的Cd/CdS中，含有單質Cd,因此提高了純CdS的產氫效果；二、制備不同比例發現當CdSO4與Na2S2O3為1：8時，平均產氫率最高。測試不同比例測試不同比例Cd/CdSCd/CdS的的XRDXRD、紫外漫反射、紫外漫反射、BETBET、SEMSEM等等Literature reviewwithout amino acid, (

3、B) l-proline, (l-脯氨酸)(C) l-serine, l-絲氨酸(D) l-cysteine,l-半胱氨酸(E) and (F) l-methionine.l-蛋氨酸W. Qiu et al. / Journal of Alloys and Compounds 509 (2021) 84138420Preliminary work水熱法合成不同氨基酸修飾的具有不同形貌的CdS1 mmmol Cd(NO3)2 + 50 ml 水 +3 mmol硫脲 + 0.3 mmol 氨基酸 攪拌20 min 超聲30 min100Hz 200 下水熱4h攪拌攪拌2 min攪透明攪透明Prel

4、iminary work水熱法合成不同氨基酸修飾的具有不同形貌的CdSL-蘇氨酸L-組氨酸L-絲氨酸L-酪氨酸L-胱氨酸桔紅色沉淀棕黑色沉淀桔紅色沉淀介于桔紅色與棕黑色之間桔紅色沉淀測試不同氨基酸修飾的測試不同氨基酸修飾的CdS的產氫性能，并分析內在作用機理的產氫性能，并分析內在作用機理Proposed mechanism of formation of PANI-CdS by use of Cd(CH3COO)2 The average rate of hydrogen production of CdS and PANI-CdS composite Kai He, Mingtao Li,

5、Liejin Guo. Int. J. Hydrogen Energy. 2021, 37,755-759Literature reviewPreliminary work合成PANI/CdSCdSO4 + Na2S2O3 超聲超聲30 min100Hz 中火中火10 min 檸檬黃色檸檬黃色CdS + PANI 攪拌攪拌20 min 超聲超聲30 min 攪拌攪拌72 h攪拌攪拌20 min微波微波離心、洗滌、烘干離心、洗滌、烘干THFTHF離心、洗滌、烘干制備不同比例的制備不同比例的PANI/CdS/PANI/CdS/石墨烯石墨烯復合光催化劑并測試其產氫性能復合光催化劑并測試其產氫性能Li

6、terature reviewFigure 8. Comparison of the photocatalytic activity of the CdS QDs/g-C3N4composite samples for the H2 producti-on from methanol aqueous s-olution under visible light irradiation ( 400 nm).Figure 13. Schematic of photogenerated charge transfer in the CdSQDs/g-C3N4system under visible light irradiation.Lei Ge, Fan Zuo, Pingyun Feng, et al. J. Phys. Chem. C 2021, 116, 08 14Quanjun Xiang,Jiaguo Yu,Mietek Jaronie. J. Phys. Chem. C 2021, 115, 7355-7363(B) Cyclic H2 -evolution curv