Exploring a new and robust material for proton conduction is of significant importance to the scientific interest and technological importance.Polyoxometalates(POMs)are a class of molecular anion metal oxide clusters ...Exploring a new and robust material for proton conduction is of significant importance to the scientific interest and technological importance.Polyoxometalates(POMs)are a class of molecular anion metal oxide clusters with well-defined structures and diverse properties.Therefore,the design and synthesis of a POM-based material for proton conduction is extremely vital.Herein,a dimeric four tartaric acid-bridged tetra-Zr-incorporated arsenotungstate.展开更多
Recently,CsPbBr_(3)perovskite solar cells(PSCs)have garnered attention due to cost-effectiveness and reliability.However,hole transport limitations lead to charge recombination and lower power conversion efficiency(PC...Recently,CsPbBr_(3)perovskite solar cells(PSCs)have garnered attention due to cost-effectiveness and reliability.However,hole transport limitations lead to charge recombination and lower power conversion efficiency(PCE).Defects in the CsPbBr_(3)layer,poor hole transport at the interface with carbon electrodes,and energy level differences hinder performance.Optimizing the perovskite layer using electrondonating organic molecules containing-NH_(2)groups enhances efficiency and stability by passivating defects and modulating lattice structure.In this work,tetra(4-aminophenyl)ethylene(TPE)and tetra(4-aminobiphenyl)ethylene(TPE-Ph)were employed to optimize the CsPbBr_(3)/carbon electrode interface.Their strong electron-donating properties and amino groups facilitate hole transfer and defect passivation,boosting PCE to 9.38%and enhancing stability.展开更多
基金supported by the National Natural Science Foundation of China(Nos.22071043 and 22203027)Shanxi Province Science Foundation(No.202303021211194)the program for the(Reserved)Discipline Leaders of Taiyuan Institute of Technology.
文摘Exploring a new and robust material for proton conduction is of significant importance to the scientific interest and technological importance.Polyoxometalates(POMs)are a class of molecular anion metal oxide clusters with well-defined structures and diverse properties.Therefore,the design and synthesis of a POM-based material for proton conduction is extremely vital.Herein,a dimeric four tartaric acid-bridged tetra-Zr-incorporated arsenotungstate.
基金supported by the National Natural Science Foundation of Chinathe authors sincerely thank the National Natural Science Foundation of China(Nos.22271106 and 52073286)Science Foundation of State Key Laboratory of Structural Chemistry(No.20230027)。
文摘Recently,CsPbBr_(3)perovskite solar cells(PSCs)have garnered attention due to cost-effectiveness and reliability.However,hole transport limitations lead to charge recombination and lower power conversion efficiency(PCE).Defects in the CsPbBr_(3)layer,poor hole transport at the interface with carbon electrodes,and energy level differences hinder performance.Optimizing the perovskite layer using electrondonating organic molecules containing-NH_(2)groups enhances efficiency and stability by passivating defects and modulating lattice structure.In this work,tetra(4-aminophenyl)ethylene(TPE)and tetra(4-aminobiphenyl)ethylene(TPE-Ph)were employed to optimize the CsPbBr_(3)/carbon electrode interface.Their strong electron-donating properties and amino groups facilitate hole transfer and defect passivation,boosting PCE to 9.38%and enhancing stability.
