Antimony selenide(Sb_(2)Se_(3))is a potential photovoltaic(PV)material for next-generation solar cells and has achieved great development in the last several years.The properties of Sb_(2)Se_(3)absorber and back conta...Antimony selenide(Sb_(2)Se_(3))is a potential photovoltaic(PV)material for next-generation solar cells and has achieved great development in the last several years.The properties of Sb_(2)Se_(3)absorber and back contact influence the PV performances of Sb_(2)Se_(3)solar cells.Hence,optimization of back contact characteristics and absorber orientation are crucial steps in raising the power conversion efficiency(PCE)of Sb_(2)Se_(3)solar cells.In this work,MoO2was introduced as an intermediate layer(IL)in Sb_(2)Se_(3)solar cells,and comparative investigations were conducted.The growth of(211)-oriented Sb_(2)Se_(3)with large grains was facilitated by introducing the MoO2IL with suitable thickness.The MoO2IL substantially lowered the back contact barrier and prevented the formation of voids at the back contact,which reduced the thickness of the MoSe2interface layer,inhibited carrier recombination,and minimized bulk and interfacial defects in devices.Subsequently,significant optimization enhanced the open-circuit voltage(VOC)of solar cells from 0.481 V to 0.487 V,short-circuit current density(JSC)from 23.81 m A/cm^(2)to 29.29 m A/cm^(2),and fill factor from 50.28%to 57.10%,which boosted the PCE from 5.75%to 8.14%.展开更多
Recently,the power conversion efficiency(PCE)of single-junction non-fullerene polymer solar cells(NF-PSCs)has surpassed 19%due to the fast development of novel donor polymers,NF-acceptors,device engineering,and interl...Recently,the power conversion efficiency(PCE)of single-junction non-fullerene polymer solar cells(NF-PSCs)has surpassed 19%due to the fast development of novel donor polymers,NF-acceptors,device engineering,and interlayer materials.The anode interlayer(AIL)plays a vital role in improving the efficiency and stability of PSCs.The challenges and opportunities in this research area encourage researchers to pursue great innovation in developing new materials and strategies for highly efficient NF-PSCs.This review summarizes the recent development of AIL materials and their modification strategies in single-junction NF-PSCs.Firstly,a brief introduction,key functions,basic requirements,and peculiar features of AILs when employed in NF-PSCs are discussed.Then,the impact of AIL materials(including organic,inorganic,and hybrid materials)on the PCE and the stability of NF-PSCs are described.Afterward,the fabrication of large-area devices and related issues are highlighted.The summary and the future challenges regarding efficient AIL are summarized in the last section of this review.展开更多
基金supported by the National Natural Science Foundation of China(62074102)the Guangdong Basic and Applied Basic Research Foundation(2022A1515010979)+1 种基金the Key Project of Department of Education of Guangdong Province(2018KZDXM059)the Science and Technology plan project of Shenzhen(20220808165025003)。
文摘Antimony selenide(Sb_(2)Se_(3))is a potential photovoltaic(PV)material for next-generation solar cells and has achieved great development in the last several years.The properties of Sb_(2)Se_(3)absorber and back contact influence the PV performances of Sb_(2)Se_(3)solar cells.Hence,optimization of back contact characteristics and absorber orientation are crucial steps in raising the power conversion efficiency(PCE)of Sb_(2)Se_(3)solar cells.In this work,MoO2was introduced as an intermediate layer(IL)in Sb_(2)Se_(3)solar cells,and comparative investigations were conducted.The growth of(211)-oriented Sb_(2)Se_(3)with large grains was facilitated by introducing the MoO2IL with suitable thickness.The MoO2IL substantially lowered the back contact barrier and prevented the formation of voids at the back contact,which reduced the thickness of the MoSe2interface layer,inhibited carrier recombination,and minimized bulk and interfacial defects in devices.Subsequently,significant optimization enhanced the open-circuit voltage(VOC)of solar cells from 0.481 V to 0.487 V,short-circuit current density(JSC)from 23.81 m A/cm^(2)to 29.29 m A/cm^(2),and fill factor from 50.28%to 57.10%,which boosted the PCE from 5.75%to 8.14%.
基金Key Project of Department of Education of Guangdong Province,Grant/Award Number:2018KZDXM059National Key Research and Development Program of China,Grant/Award Number:2017YFA0206600+2 种基金National Natural Science Foundation of China,Grant/Award Numbers:21922505,62074102Science and Technology Plan Project of Shenzhen,Grant/Award Number:JCYJ20190808153409238Strategic Priority Research Program of Chinese Academy of Sciences,Grant/Award Number:XDB36000000。
文摘Recently,the power conversion efficiency(PCE)of single-junction non-fullerene polymer solar cells(NF-PSCs)has surpassed 19%due to the fast development of novel donor polymers,NF-acceptors,device engineering,and interlayer materials.The anode interlayer(AIL)plays a vital role in improving the efficiency and stability of PSCs.The challenges and opportunities in this research area encourage researchers to pursue great innovation in developing new materials and strategies for highly efficient NF-PSCs.This review summarizes the recent development of AIL materials and their modification strategies in single-junction NF-PSCs.Firstly,a brief introduction,key functions,basic requirements,and peculiar features of AILs when employed in NF-PSCs are discussed.Then,the impact of AIL materials(including organic,inorganic,and hybrid materials)on the PCE and the stability of NF-PSCs are described.Afterward,the fabrication of large-area devices and related issues are highlighted.The summary and the future challenges regarding efficient AIL are summarized in the last section of this review.
