New Applications of Hybrid Perovskites Beyond solar cells:Solar Battery and Resistive Random Access Memory Devices
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摘要
Organic-inorganic hybrid perovskite materials have been demonstrated to be highly performed light absorbers for high efficient perovskite solar cells.In addition to solar cells applications,the materials have also demonstrated versatile functionalities in a number of fields.Herein,we give the first demonstration of remarkable resistive switching behaviour in organic-inorganic hybrid perovskite materials(CH_3NH_3PbI_(3-x)Cl_x),which can be applicable in the resistive random access memory(RRAM)devices.~1 The hybrid perovskite material with high crystallinity can be readily fabricated by a low-temperature,solutionprocessable method.The simply designed Au/CH_3NH_3PbI_(3-x)Cl_x/FTO structure exhibits remarkable resistive switching behaviour with excellent endurance(>100 cycles),long retention time(>10~4 s)with a very small on-off voltage of<1 V.The resistive switching behaviour of the organic-inorganic hybrid perovskite-based device is originated from the intrinsic dielectric and defect properties of the CH_3NH_3PbI_(3-x)Cl_x material,corresponding to the space charge limited conduction(SCLC)mechanism.By dissolving organolead perovskites in organic solvents,a new type of in-situ solar conversion and energy storage system,so called solar battery,is also demonstrated.~2,On another attempt,new types of lead-free hybrid perovskite solar cells is also studied.~3
Organic-inorganic hybrid perovskite materials have been demonstrated to be highly performed light absorbers for high efficient perovskite solar cells.In addition to solar cells applications,the materials have also demonstrated versatile functionalities in a number of fields.Herein,we give the first demonstration of remarkable resistive switching behaviour in organic-inorganic hybrid perovskite materials(CH_3NH_3PbI_(3-x)Cl_x),which can be applicable in the resistive random access memory(RRAM)devices.~1 The hybrid perovskite material with high crystallinity can be readily fabricated by a low-temperature,solutionprocessable method.The simply designed Au/CH_3NH_3PbI_(3-x)Cl_x/FTO structure exhibits remarkable resistive switching behaviour with excellent endurance(>100 cycles),long retention time(>10~4 s)with a very small on-off voltage of<1 V.The resistive switching behaviour of the organic-inorganic hybrid perovskite-based device is originated from the intrinsic dielectric and defect properties of the CH_3NH_3PbI_(3-x)Cl_x material,corresponding to the space charge limited conduction(SCLC)mechanism.By dissolving organolead perovskites in organic solvents,a new type of in-situ solar conversion and energy storage system,so called solar battery,is also demonstrated.~2,On another attempt,new types of lead-free hybrid perovskite solar cells is also studied.~3
引文
[1]Yoo,E,Lyu,M,Wang,L,et al,Adv.Mater.,2015,27(40),6170-6175
    [2]Wang Q.,Yun,J.,Wang,L,et al,Adv.Energy Mater.,2015,5,1501418.
    [3]Lyu M,Wang L,Adv.Energy Mater.,2017,DOI:10.1002/aenm.201602512

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