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Research progress in lead-less or lead-free three-dimensional perovskite absorber materials for solar cellsHuan-yu Zhang1,Rui Li1,Wen-wu Liu2,Mei Zhang1,Min Guo11. School of Metallurgical..." name="ChDivSummary">The trend toward lead-free or lead-less perovskite solar cells(PSCs) has attracted increasing attention over the past few years because the toxicity of lead(Pb) is one......
(SEM), ferroelectric and electric field-induced strain characterizations. XRD analysis revealed a pure perovskite phase without any traces of secondary phases. Ferroelectric and bipolar field induced... ceramics; BNT; perovskite structure; field induced strain 1 Introduction Lead-based ceramics with perovskite structure, such as Pb(Zr,Ti)O3 (PZT) and PZT-based multicomponent materials are widely......
Surface tuning of LaCoO3 perovskite by acid etching to enhance its catalytic performanceLu Dai1,Xin-Bo Lu1,Guo-Hai Chu1,Cheng-Huan He2,Wang-Cheng Zhan2,Guo-Jun Zhou11. China Tobacco Zhejiang...">The stoichiometric LaCoO3 and nonstoichiometric LaCo1.2O3 perovskite catalysts were prepared by citric acid sol-gel method,and then,LaCoO3 perovskite was etched with nitric acid.The structure,surface composition......
)- NbO3-xLiNbO3 (x=0.05, 0.06) is a promising high-temperature lead free piezoelectric ceramic. Key words: (K0.5Na0.5)NbO3-LiNbO3; lead-free piezoelectric ceramics; piezoelectric properties; perovskite 1...)NbO3-xLiNbO3, a complete solid solution with perovskite structure can be formed when x≤0.07[16]. Fig.1 shows the XRD profiles of the (1-x)(K0.5Na0.5)NbO3-xLiNbO3(x=0.06) powders calcined at 850 ℃ for 5 h......
at 600, 650 and 750℃. Key words: BET thin film; ferroelectric property; metal-organic decomposition; Bi-layered perovskite 1 Introduction Many researches have been done on candidates... It is obvious that the XRD peak corresponding to (117) reflection appears above 600 ℃. This indicates that the beginning of crystallization to a Bi-layered perovskite is below 600 ℃. From 600 ℃ to 750 ℃, BET......
Behavior of Mn2+ in perovskite manganites with nominal composition La0.6-xNdxSr0.1MnO3LI Yanfeng a,b,JI Denghui a,LIU Shaopeng a,TANG Guide a,LI Zhuangzhi a,YAO Yuxi a,HOU Denglu a,and ZHU Minggang b...,Beijing 100081,China摘 要:The fact that there are Mn2+ at the A sites in the ABO3 perovskite phase of manganites with the nominal composition......
Improved open-circuit voltage and ambient stability of CsPbI2Br perovskite solar cells by incorporating CH3NH3ClChuan-Liang Chen1,Sha-Sha Zhang1,Tian-Lun Liu2,Shao-Hang Wu1,Zhi-Chun Yang1,Wei-Tao... metal halide perovskites have gained research interest as absorbers in perovskite solar cells due to their superior thermal stability.Among these,CsPbI2Br,with a narrower band gap than CsPbBr3......
Influence of preparation method on performance of a metal supported perovskite catalyst for combustion of methane翟彦青,熊杰明,李翠清,徐新,罗国华Department of Chemical Engineering,Beijing Institute of Petro-chemical Technology摘 要:A different method was employed for the preparation of a metal supported perovskite catalyst for the catalytic combustion of methane.The......
Aqueous Sn-S Complex Derived Electron Selective Layer for Perovskite Solar Cells李智1,沈文剑1,赵娟2,YING Hangkai1,WU Zhengli1,LIU Yifan1,李望南3,KU Zhiliang1,PENG Yong1,HUANG Fuzhi1,CHENG Yibing1,ZHONG Jie1,FU... id="ChDivSummary" name="ChDivSummary">A novel aqueous Sn-S complex solution was applied as precursor to fabricate SnO2 electron selective layers (ESLs) for the hybrid perovskite solar cells (PSCs......
Synthesis and characterization of Ce0.6Sr0.4Fe0.8Co0.2O3–δ perovskite material:Potential cathode material for low temperature SOFCsMlungisi N.Sithole1,Bernard Omondi1,Patrick G.Ndungu21. School... calcination, while the Raman and XRD analysis confirmed that both synthesis methods resulted in cubic perovskite structure. However, the chemical vapour deposition(CVD) method resulted in materials......
