Multi-dimensional anatase TiO_2 materials: Synthesis and their application as efficient charge transporter in perovskite solar cells

Khan Javid; Rahman Naveed Ur; Khan Wasim Ullah; Hayat Asif; Yang Zhiyong; Ahmed Gulzar; Akhtar Muhammad Nadeem; Tong Shengfu; Chi Zhenguo; Wu Mingmei

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Multi-dimensional anatase TiO_2 materials: Synthesis and their application as efficient charge transporter in perovskite solar cells

机译：多维锐钛矿型TiO_2材料：合成及其在钙钛矿太阳能电池中作为高效电荷传输剂的应用

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Recently, organo-metal halide perovskite (e.g., CH3NH3PbI3) solar cells have shown a significant surge in progress and efficiency. The photovoltaic performance of perovskite solar cells (PSC) extensively depends on the morphology of the materials at nano-level, because the intrinsic electrical, optical and electrochemical properties also change with a change in morphology. Different TiO2 nanostructures with diverse dimensionalities, OD hollow TiO2 nanoparticles (HTNPs), 3D hollow TiO2 mesospheres (HTMSs) and 3D hierarchical TiO2 spheres (HTSs) were synthesized hydrothermally. The PSCs based on 3D HTSs or 3D HTMSs as electron transport layers (ETLs) shows better performance than the PSCs fabricated with OD HTNPs as ETL. The enhanced results can be attributed to the better penetration of the perovskite materials in the porous network of the HTSs or HTMSs and decreased interfacial recombination due to superior charge extraction and electron transport at the HTSs/CH3NH3PbI or HTMSs/CH3NH3Pb interfaces. By using a self-assembled TiO2 compact layer (c-TiO2), followed by a mesoporous layer of HTSs, produces PSCs with an excellent efficiency of 15.08%. Such c-TiO2-ETL films may improve PSCs performance by enhancing electron extraction and block the photogenerated holes.

机译：近来，有机金属卤化物钙钛矿（例如，CH 3 NH 3 PbI 3）太阳能电池显示出显着的进步和效率激增。钙钛矿太阳能电池（PSC）的光伏性能在很大程度上取决于纳米级材料的形貌，因为其固有的电，光和电化学特性也随形貌的变化而变化。水热合成了不同尺寸的不同TiO2纳米结构，OD中空TiO2纳米粒子（HTNP），3D中空TiO2中球（HTMSs）和3D分层TiO2球体（HTS）。基于3D HTS或3D HTMS作为电子传输层（ETL）的PSC与以OD HTNP作为ETL制造的PSC相比，表现出更好的性能。增强的结果可以归因于钙钛矿材料更好地渗透到HTS或HTMS的多孔网络中，并且由于在HTS / CH3NH3PbI或HTMS / CH3NH3Pb界面具有优越的电荷提取和电子传输能力，减少了界面重组。通过使用自组装的TiO2致密层（c-TiO2），然后是HTS的介孔层，可以生产出效率为15.08％的PSC。此类c-TiO2-ETL膜可通过增强电子提取来改善PSC的性能，并阻塞光生空穴。

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来源
《Solar Energy》 |2019年第5期|323-330|共8页
作者
Khan Javid; Rahman Naveed Ur; Khan Wasim Ullah; Hayat Asif; Yang Zhiyong; Ahmed Gulzar; Akhtar Muhammad Nadeem; Tong Shengfu; Chi Zhenguo; Wu Mingmei;
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作者单位

Sun Yat Sen Univ, Sch Chem, Key Lab Environm & Energy Chem Guangdong Higher E, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Guangdong Engn Technol Res Ctr High Performance O, State Key Lab Optoelect Mat & Technol, PCFM Lab,GD HPPC Lab,Sch Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Sch Chem, Key Lab Environm & Energy Chem Guangdong Higher E, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Guangdong Engn Technol Res Ctr High Performance O, State Key Lab Optoelect Mat & Technol, PCFM Lab,GD HPPC Lab,Sch Chem, Guangzhou 510275, Guangdong, Peoples R China;

Univ Sargodha, Dept Phys, Mianwali Campus, Mianwali 41000, Pakistan;

Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Sch Chem, Key Lab Environm & Energy Chem Guangdong Higher E, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Guangdong Engn Technol Res Ctr High Performance O, State Key Lab Optoelect Mat & Technol, PCFM Lab,GD HPPC Lab,Sch Chem, Guangzhou 510275, Guangdong, Peoples R China;

Sun Yat Sen Univ, Sch Chem, Key Lab Environm & Energy Chem Guangdong Higher E, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
0D hollow TiO2 nanoparticles; 3D hollow TiO2 mesospheres; 3D hierarchical TiO2 spheres; Perovskites solar cells;

机译：0D空心TiO2纳米粒子;3D空心TiO2中球;3D分层TiO2球;钙钛矿太阳能电池;

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机译：N掺杂的锐钛矿TiO_2作为中孔钙钛矿太阳能电池的有效电子传输层
2. Design, synthesis and application of a pi-conjugated, non-spiro molecular alternative as hole-transport material for highly efficient dye-sensitized solar cells and perovskite solar cells [J] . Liu Peng, Xu Bo, Hua Yong, Journal of power sources . 2017,第MARa15期

机译：π共轭非螺分子替代品作为空穴传输材料的设计，合成和应用，用于高效染料敏化太阳能电池和钙钛矿太阳能电池
3. In-situ synthesis of metal nanoparticle-polymer composites and their application as efficient interfacial materials for both polymer and planar heterojunction perovskite solar cells [J] . Zhicheng Hu, Sheng Dong, Qifan Xue, Organic Electronics . 2015,第DECa期

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4. Efficient Planar Perovskite Solar Cells via Interfacial Engineering with Anatase or Brookite TiO_2 Single-Crystalline Nanoparticles [C] . Shahiduzzaman, Sem Visal, Hiroto Ashikawa, 応用物理学会秋季学術講演会;応用物理学会 . 2018

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5. Materials synthesis strategies for: Microstructure self-assembly, polymer-encapsulated reverse micelles, ionic donors in bimolecular photosystems, and efficient mediators in dye-sensitized solar cells. [D] . Sapp, Shawn Aaron. 2002

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6. Low-Temperature Ionic Layer Adsorption and Reaction Grown Anatase TiO2 Nanocrystalline Films for Efficient Perovskite Solar Cell and Gas Sensor Applications [O] . Shoyebmohamad F. Shaikh, Balaji G. Ghule, Umesh T. Nakate, -1

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机译：π共轭非螺分子替代品作为空穴传输材料的设计，合成和应用，用于高效染料敏化太阳能电池和钙钛矿太阳能电池

Multi-dimensional anatase TiO_2 materials: Synthesis and their application as efficient charge transporter in perovskite solar cells

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