低维钙钛矿太阳能电池(Low-Dimensional Perovskite Solar Cells,LD PSCs)是一种稳定性好、疏水性强的新型钙钛矿光伏器件,在新能源领域受到了广泛的关注。本实验以领域内的前沿进展为出发点,提供丁胺(Butylammonium,BA)离子、半胱氨酸...低维钙钛矿太阳能电池(Low-Dimensional Perovskite Solar Cells,LD PSCs)是一种稳定性好、疏水性强的新型钙钛矿光伏器件,在新能源领域受到了广泛的关注。本实验以领域内的前沿进展为出发点,提供丁胺(Butylammonium,BA)离子、半胱氨酸(2-氨基-3-巯基丙酸,Cysteine,Cys)离子作为有机间隔阳离子,合成了低维钙钛矿晶体并制备出以(BA)2(MA)n-1PbnI3n+1或(Cys)2(MA)n-1PbnI3n+1为活性层的钙钛矿太阳能电池,并通过X射线衍射检测、紫外-可见吸收检测等手段对产品进行表征,之后测定了钙钛矿器件的能量转换效率。本实验难度适中,涉及光伏器件的制备与表征,旨在激励本科生对前沿光电研究产生兴趣、培养其科研能力。展开更多
The chemical state of sulfur bourity in metal-free phthalocyhane has beenstudied by high resolution double crystal X-ray fluorescence spectrometer, in order tounderstand that the rare concentration of impurity sulfUr ...The chemical state of sulfur bourity in metal-free phthalocyhane has beenstudied by high resolution double crystal X-ray fluorescence spectrometer, in order tounderstand that the rare concentration of impurity sulfUr plays an important role in pro-moting the performance of double layered photoreceptor. The results obtained by highresolution double crystal X-ray Fluorescence Spectromtry and X-ray photoelectron Spec-troscopy method showed good agreements, indicating the sulfur being in the chemocalstate of S4+.展开更多
文摘低维钙钛矿太阳能电池(Low-Dimensional Perovskite Solar Cells,LD PSCs)是一种稳定性好、疏水性强的新型钙钛矿光伏器件,在新能源领域受到了广泛的关注。本实验以领域内的前沿进展为出发点,提供丁胺(Butylammonium,BA)离子、半胱氨酸(2-氨基-3-巯基丙酸,Cysteine,Cys)离子作为有机间隔阳离子,合成了低维钙钛矿晶体并制备出以(BA)2(MA)n-1PbnI3n+1或(Cys)2(MA)n-1PbnI3n+1为活性层的钙钛矿太阳能电池,并通过X射线衍射检测、紫外-可见吸收检测等手段对产品进行表征,之后测定了钙钛矿器件的能量转换效率。本实验难度适中,涉及光伏器件的制备与表征,旨在激励本科生对前沿光电研究产生兴趣、培养其科研能力。
文摘The chemical state of sulfur bourity in metal-free phthalocyhane has beenstudied by high resolution double crystal X-ray fluorescence spectrometer, in order tounderstand that the rare concentration of impurity sulfUr plays an important role in pro-moting the performance of double layered photoreceptor. The results obtained by highresolution double crystal X-ray Fluorescence Spectromtry and X-ray photoelectron Spec-troscopy method showed good agreements, indicating the sulfur being in the chemocalstate of S4+.
