The proper bandgap and exceptional photostability enable CsPbI_(3) as a potential candidate for indoor photovoltaics(IPVs),but indoor power conversion efficiency(PCE) is impeded by serious nonradiative recombination s...The proper bandgap and exceptional photostability enable CsPbI_(3) as a potential candidate for indoor photovoltaics(IPVs),but indoor power conversion efficiency(PCE) is impeded by serious nonradiative recombination stemming from challenges in incomplete DMAPbI_(3) conversion and lattice structure distortion.Here,the coplanar symmetric structu re of hexyl sulfide(HS) is employed to functionalize the CsPbI_(3) layer for fabricating highly efficient IPVs.The hydrogen bond between HS and DMAI promotes the conversion of DMAPbI_(3) to CsPbI_(3),while the copianar symmetric structure enhances crystalline order.Simultaneously,surface sulfidation during HS-induced growth results in the in situ formation of PbS,spontaneously creating a CsPbI_(3) N-P homojunction to enhance band alignment and carrier mobility.As a result,the CsPbI_(3)&HS devices achieve an impressive indoor PCE of 39.90%(P_(in):334.6 μW cm^(-2),P_(out):133.5 μW cm^(-2)) under LED@2968 K,1062 lux,and maintain over 90% initial PCE for 800 h at ^(3)0% air ambient humidity.展开更多
We see the world with two eyes.Binocular vision provides more ample information through interocular interaction.Previous studies have shown that aging impairs a variety of visual functions,but how aging affects binocu...We see the world with two eyes.Binocular vision provides more ample information through interocular interaction.Previous studies have shown that aging impairs a variety of visual functions,but how aging affects binocular vision is still unclear.In this study,we measured three typical binocular functions-binocular combination,binocular rivalry,and stereo vision-to investigate aging-related effects on binocular vision in a relatively large sample(48 younger adults and 27 older adults)with normal or corrected-to-normal distance vision and no ophthalmological and mental diseases.We found that there were no consistent aging-related declines in binocular vision,with the worst effect on alternation frequency in binocular rivalry and no effect on binocular phase combination and stereo vision tested by Titmus.In addition,aging changed the correlation pattern among some of these binocular functions.These results reflected(at least partially)different aging-related mechanism(s)in binocular vision.展开更多
基金financial support from the Natural Science Foundation of Guizhou Province (Grant No. ZK 2024-087)Natural Science Foundation of China (no. 22005071)。
文摘The proper bandgap and exceptional photostability enable CsPbI_(3) as a potential candidate for indoor photovoltaics(IPVs),but indoor power conversion efficiency(PCE) is impeded by serious nonradiative recombination stemming from challenges in incomplete DMAPbI_(3) conversion and lattice structure distortion.Here,the coplanar symmetric structu re of hexyl sulfide(HS) is employed to functionalize the CsPbI_(3) layer for fabricating highly efficient IPVs.The hydrogen bond between HS and DMAI promotes the conversion of DMAPbI_(3) to CsPbI_(3),while the copianar symmetric structure enhances crystalline order.Simultaneously,surface sulfidation during HS-induced growth results in the in situ formation of PbS,spontaneously creating a CsPbI_(3) N-P homojunction to enhance band alignment and carrier mobility.As a result,the CsPbI_(3)&HS devices achieve an impressive indoor PCE of 39.90%(P_(in):334.6 μW cm^(-2),P_(out):133.5 μW cm^(-2)) under LED@2968 K,1062 lux,and maintain over 90% initial PCE for 800 h at ^(3)0% air ambient humidity.
基金supported by National Key Research and Development Program of China(2020YFC2003800)National Natural Science Foundation of China(NSFC32071056)+1 种基金to Chang-Bing Huang,the Scientific Foundation of Institute of Psychology,Chinese Academy of Sciences(Y7CX332008)China Postdoctoral Science Foundation(2018M641514)to Fang-Fang Yan,CAS Key Laboratory of Behavioral Science,Institute of Psychology.
文摘We see the world with two eyes.Binocular vision provides more ample information through interocular interaction.Previous studies have shown that aging impairs a variety of visual functions,but how aging affects binocular vision is still unclear.In this study,we measured three typical binocular functions-binocular combination,binocular rivalry,and stereo vision-to investigate aging-related effects on binocular vision in a relatively large sample(48 younger adults and 27 older adults)with normal or corrected-to-normal distance vision and no ophthalmological and mental diseases.We found that there were no consistent aging-related declines in binocular vision,with the worst effect on alternation frequency in binocular rivalry and no effect on binocular phase combination and stereo vision tested by Titmus.In addition,aging changed the correlation pattern among some of these binocular functions.These results reflected(at least partially)different aging-related mechanism(s)in binocular vision.
