期刊信息
- 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
- 主办： 河北师范大学
- ISSN： 1000-5854
- CN： 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
氧化层对水分解阳极多孔Si性能的影响
-
1. 河北师范大学 物理科学与信息工程学院, 河北 石家庄 050024;
2. 河北省新型薄膜材料实验室, 河北 石家庄 050024;
3. 石家庄铁道大学 数学与物理系, 河北 石家庄 050043 -
DOI：10.13763/j.cnki.jhebnu.nse.2018.04.005
Effect of Oxidation Layer on the Performance of Porous Si as Water Decomposition Anode
摘要/Abstract
通过改变腐蚀时间，研究了多孔硅的反射率、禁带宽度、发光性能，比较了退火前后多孔硅作为水分解阳极的工作性能.测试表明，当腐蚀时间为45min时，得到的多孔硅孔隙均匀，反射率低.大气退火在多孔硅表面形成了一层SiO2，在水分解中起到很好的保护作用.对于退火样品，腐蚀时间为45min样品，电流密度较早达到稳定，腐蚀速率最小.
By changing the corrosion time,the reflectance,the band gap and the luminescence performance of the porous silicon were studied.The performance of the porous silicon as water decomposition anode was compared before and after annealing.The results show that the pores of the porous silicon are distributed uniform and the reflectivity of the porous silicon is the lowest when the corrosion time is 45min.After annealing,a SiO2 layer was formed on the surface of the porous silicon,which plays a very good protective role in the water decomposition.For the annealed sample,the current density of the 45min's sample is easily more stable and the corrosion rate was the lowest.
关键词
参考文献 13
- [1] FUJISHIMA A,HONDA K.Electrochemical Photolysis of Water at a Semiconductor Electrode[J].Nature,1972,238(5358):37-38.doi:10.1038/238037a0
- [2] KENNEY M J,GONG Ming,LI Yanguang,et al.High-performance Silicon Photoanodes Passivated with Ultrathin Nickel Films for Water Oxidation[J].Science,2013,342(6160):836-840.doi:10.1126/science.1241327
- [3] LIU Rui,ZHENG Zhi,SPURGEON J,et al.Enhanced Photoelectrochemical Water-splitting Performance of Semiconductors by Surface Passivation Layers[J].Energy Environ Sci,2014,7(8):2504-2517.doi:10.1039/C4EE00450G
- [4] 眭俊.多孔硅的电化学制备及其性能研究[D].南昌:南昌航空大学,2013.
- [5] LIN Y R,LAI K Y,WANG H P,et al.Slope-tunable Si Nanorod Arrays with Enhanced Antireflection and Self-cleaning Properties[J].Nanoscale,2010,2(12):2765-2773.doi:10.1039/c0nr00402b
- [6] ZHANG Kaiqi,XU Ruiping,ZHEN Congmian,et al.Effects of Terminated Atoms,Porosity and Drilling Orientations on the Band Structure of Porous Silicon[J].Comput Mater Sci,2017,136(4):126-132.doi:10.1016/j.commatsci.2017.04.027
- [7] NAJAR A,SLIMANE A B,HEDHILI M N,et al.Effect of Hydrofluoric Acid Concentration on the Evolution of Photoluminescence Characteristics in Porous Silicon Nanowires Prepared by Ag-assisted Electroless Etching Method[J].J Appl Phys,2012,112(3):33502-33506.doi:10.1063/1.4740051
- [8] 赵存挺,冯新星,吴芳,等.单分散纳米二氧化硅微球的制备及羧基化改性[J].功能材料,2009(11):1942-1945.doi:10.3321/j.issn.1001-9731.2009.11.050
- [9] 黎学明,纪新瑞,杨建春,等.一种增强多孔硅光致发光稳定性的方法[J].重庆大学学报,2004(7):68-71.doi:10.3969/j.issn.1000-582X.2004.07.018
- [10] OH S,OH J.High Performance and Stability of Micropatterned Oxide-passivated Photoanodes with Local Catalysts for Photoelectrochemical Water Splitting[J].J Phys Chem C,2016,12(1):133-141.doi:10.1021/acs.jpcc.5b10859
- [11] CHENG Qian,BENIPAL M K,LIU Qianlang,et al.Al2O3 and SiO2 Atomic Layer Deposition Layers on ZnO Photoanodes and Degradation Mechanisms[J].Acs Appl Mat Interfaces,2017,9(19):16138-16147.doi:10.1021/acsami.7b01274
- [12] 郑凯,李红艺,韩玉华.电化学工作站在金属腐蚀实验教学中的应用[J].山东化工,2014(9):129-130.doi:10.3969/j.issn.1008-021X
- [13] CARTER R,CHATTERJEE S,GORDON E,et al.Corrosion Resistant Three-dimensional Nanotextured Silicon for Water Photo-oxidation[J].Nanoscale,2015,7(40):16755-16762.doi:10.1039/c5nr03897a