采用一步溶液法制备了锡钙钛矿电池薄膜,研究了前驱体溶液浓度、退火温度和掺杂对薄膜成膜性能的影响.分别利用扫描电镜(SEM)、XRD和傅里叶红外光谱仪(FTIR)对薄膜的形貌、物相、吸收率和禁带宽度进行表征和测试.研究结果表明,当前驱体溶液浓度为30％、退火温度为100℃时的成膜性能较好,所制备的钙钛矿薄膜更加平整和光滑,覆盖率较高.CH3NH3SnI3成分的钙钛矿薄膜具有最低的禁带宽度,其吸光性能优于其他成分的钙钛矿薄膜.掺杂Br、Cl离子会导致CH3NH3SnI3成分的钙钛矿薄膜的禁带宽度增加,而吸光性能和结晶性能降低.
参考文献
| [1] | Mingzhen Liu;Michael B. Johnston;Henry J. Snaith.Efficient planar heterojunction perovskite solar cells by vapour deposition[J].Nature,2013Sep.19 TN.7467(Sep.19 TN.7467):395-A2. |
| [2] | Docampo, Pablo;Hanusch, Fabian C.;Stranks, Samuel D.;Doeblinger, Markus;Feckl, Johann M.;Ehrensperger, Martin;Minar, Norma K.;Johnston, Michael B.;Snaith, Henry J.;Bein, Thomas.Solution Deposition-Conversion for Planar Heterojunction Mixed Halide Perovskite Solar Cells[J].Advanced energy materials,201414(14):1. |
| [3] | 薛启帆;孙辰;胡志诚;黄飞;叶轩立;曹镛.钙钛矿太阳电池研究进展：薄膜形貌控制与界面工程[J].化学学报,2015(3):179-192. |
| [4] | Newcomer Juices Up the Race to Harness Sunlight[J].Science,2013Dec.20 TN.6165(Dec.20 TN.6165):1438-1439. |
| [5] | Noh, J.H.;Im, S.H.;Heo, J.H.;Mandal, T.N.;Seok, S.I..Chemical management for colorful, efficient, and stable inorganic-organic hybrid nanostructured solar cells[J].Nano letters,20134(4):1764-1769. |
| [6] | Wang, Kai;Liu, Chang;Du, Pengcheng;Chen, Long;Zhu, Jiahua;Karim, Alamgir;Gong, Xiong.Efficiencies of perovskite hybrid solar cells influenced by film thickness and morphology of CH3NH3PbI3-xClx layer[J].Organic electronics,2015:19-26. |
| [7] | Julian Burschka;Norman Pellet;Soo-Jin Moon;Robin Humphry-Baker;Peng Gao;Mohammad K. Nazeeruddin;Michael Graetzel.Sequential deposition as a route to high-performance perovskite-sensitized solar cells[J].Nature,2013Jul.18 TN.7458(Jul.18 TN.7458):316-319. |
| [8] | Dianyi Liu;Timothy L. Kelly.Perovskite solar cells with a planar heterojunction structure prepared using room-temperature solution processing techniques[J].Nature photonics,20142(2):133-138. |
| [9] | Qi Chen;Huanping Zhou;Ziruo Hong;Song Luo;Hsin-Sheng Duan;Hsin-Hua Wang;Yongsheng Liu;Gang Li;Yang Yang.Planar Heterojunction Perovskite Solar Cells via Vapor-Assisted Solution Process[J].Journal of the American Chemical Society,20142(2):622-625. |
| [10] | Hao, Feng;Stoumpos, Constantinos C.;Guo, Peijun;Zhou, Nanjia;Marks, Tobin J.;Chang, Robert P. H.;Kanatzidis, Mercouri G..Solvent-Mediated Crystallization of CH3NH3SnI3 Films for Heterojunction Depleted Perovskite Solar Cells[J].Journal of the American Chemical Society,201535(35):11445-11452. |
| [11] | Feng Hao;Constantinos C. Stoumpos;Robert P. H. Chang;Mercouri G. Kanatzidis.Anomalous Band Gap Behavior in Mixed Sn and Pb Perovskites Enables Broadening of Absorption Spectrum in Solar Cells[J].Journal of the American Chemical Society,201422(22):8094-8099. |
| [12] | Koh, Teck Ming;Krishnamoorthy, Thirumal;Yantara, Natalia;Shi, Chen;Leong, Wei Lin;Boix, Pablo P.;Grimsdale, Andrew C.;Mhaisalkar, Subodh G.;Mathews, Nripan.Formamidinium tin-based perovskite with low E-g for photovoltaic applications[J].Journal of Materials Chemistry, A. Materials for energy and sustainability,201529(29):14996-15000. |
| [13] | Amalie Dualeh;Nicolas Tetreault;Thomas Moehl;Peng Gao;Mohammad Khaja Nazeeruddin;Michael Graetzel.Effect of Annealing Temperature on Film Morphology of Organic-Inorganic Hybrid Pervoskite Solid-State Solar Cells[J].Advanced functional materials,201421(21):3250-3258. |
| [14] | Chiarella F;Zappettini A;Licci F.Combined experimental and theoretical investigation of optical, structural, and electronic properties of CH3NH3SnX3 thin films (X=Cl,Br)[J].Physical review, B. Condensed matter and materials physics,20084(4):045129-1-045129-6-0. |
| [15] | S. Y. Dou;L. T. Yan;Y. C. Liu;G. Du;P. Zhou.Preparation and performance of organic-inorganic halide perovskites[J].Journal of Materials Science. Materials in Electronics,201312(12):4862-4867. |
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