A single layer deposition of Li-doped mesoporous TiO2 beads for low-cost and efficient dye-sensitized solar cells

Golvari P.; Nouri E.; Mohsenzadegan N.; Mohammadi M. R.; Martinez-Chapa S. O.

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A single layer deposition of Li-doped mesoporous TiO2 beads for low-cost and efficient dye-sensitized solar cells

机译：用于低成本高效染料敏化太阳能电池的Li掺杂介孔TiO2珠粒的单层沉积

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Herein, we report a new strategy for improving the efficiency and reducing the fabrication cost of dye-sensitized solar cells (DSCs) by elimination of the three- or four-fold layer deposition of TiO2. This is performed by replacing a single layer deposition of mesoporous TiO2 beads, with sub-micrometer size, high surface area and tunable pore size, synthesized by a combination of sol-gel and solvothermal methods. Furthermore, superior electronic properties gained by a reduction in electronic trap states are achieved through doping of pristine TiO2 beads with lithium. The beads have a spherical shape with monodispersed texture consisting of anatase-TiO2 nanocrystals and ultra-fine pores. The outstanding light scattering and harvesting characteristics of the beads emerge from a combination of tailored morphology and crystal structures. These have resulted in a 40% increase in solar to electric power conversion efficiency, for a single spin-coated film without an additional scattering layer and pre- and post-treatment with TiCl4 solution, compared to the reference nanoparticulate TiO2 device.

机译：在此，我们报告了一种通过消除TiO2的三层或四层沉积来提高染料敏化太阳能电池（DSC）效率和降低制造成本的新策略。这是通过将通过溶胶-凝胶和溶剂热法合成的亚微米尺寸、高比表面积和可调孔径的介孔TiO2珠粒单层沉积替换来实现的。此外，通过用锂掺杂原始TiO2微珠，通过减少电子陷阱态获得了优异的电子性能。珠子呈球形，具有单分散结构，由锐钛矿型TiO2纳米晶体和超细孔组成。珠子突出的光散射和捕获特性源自定制的形态和晶体结构。与参考纳米颗粒TiO2装置相比，对于没有额外散射层且使用TiCl4溶液进行预处理和后处理的单旋涂膜，这导致太阳能到电能的转换效率提高了40%。

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《New Journal of Chemistry》 |2021年第5期|共8页
作者
Golvari P.; Nouri E.; Mohsenzadegan N.; Mohammadi M. R.; Martinez-Chapa S. O.;
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Sharif Univ Technol Dept Mat Sci &

Engn Azadi St Tehran Iran;

Sharif Univ Technol Dept Mat Sci &

Engn Azadi St Tehran Iran;

Sharif Univ Technol Dept Mat Sci &

Engn Azadi St Tehran Iran;

Sharif Univ Technol Dept Mat Sci &

Engn Azadi St Tehran Iran;

Tecnol Monterrey Sch Engn &

Sci Ave Eugenio Garza Sada 2501 Monterrey 64849 NL Mexico;

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中图分类化学;
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1. High efficiency monobasal solid-state dye-sensitized solar cell with mesoporous TiO2 beads as photoanode [J] . Heng WANG, Peng XIANG, Mi XU, 中国光电子学前沿：英文版 . 2013,第004期
2. A Bi-layer Composite Film Based on TiO2 Hollow Spheres, P25,and Multi-walled Carbon Nanotubes for Efficient Photoanode of Dye-sensitized Solar Cell [J] . Putao Zhang, Zhiqiang Hu, Yan Wang, 纳微快报：英文版 . 2016,第003期
3. Bi-layer photoanode films of hierarchical carbon-doped brookite-rutile TiO2 composite and anatase TiO2 beads for efficient dye-sensitized solar cells [J] . Shen Zhangfeng, Wang Guiqiang, Tian Hao, Electrochimica Acta . 2016,第Null期

机译：分层碳掺杂的板钛矿-金红石型TiO2复合材料和锐钛矿型TiO2珠的双层光电阳极膜，用于高效染料敏化太阳能电池
4. Efficient dye-sensitized solar cells using mesoporous submicrometer TiO2 beads [J] . Cao Kun, Lu Jianfeng, Li Hao, RSC Advances . 2015,第77期

机译：使用介孔患者患者TiO2珠子的高效染料敏化太阳能电池
5. Dye-Sensitized Solar Cells Employing a Single Film of Mesoporous TiO2 Beads Achieve Power Conversion Efficiencies Over 10% [J] . Sauvage F, Chen DH, Comte P, ACS nano . 2010,第8期

机译：采用单层介孔TiO2珠膜的染料敏化太阳能电池可实现超过10％的功率转换效率
6. Preparation of Nanoporous Ti/TiO2 Layers Deposition by RF-magnetron Sputtering/Sol-Gel Combustion Procedure for dye-sensitized solar cell [C] . Accarat Chaoumead, Varis Jittham Eco-Energy and Materials Science and Engineering . 2014

机译：RF-磁控溅射/溶胶 - 凝胶燃烧程序沉积纳米多孔Ti / TiO2层沉积染料敏化太阳能电池
7. A Route to Fabricate Rapid and Efficient Dye-Sensitized Solar Cells Through Minimizing the Duration of Tio2 Film Deposition and Dye Sensitization [D] . Mamun, Md Ataul. 2018

机译：通过最小化Tio2膜沉积和染料敏化的持续时间来制造快速高效的染料敏化太阳能电池的途径
8. Aggregated mesoporous nanoparticles for high surface area light scattering layer TiO2 photoanodes in Dye-sensitized Solar Cells [O] . Kadhim Al-Attafi, Andrew Nattestad, Yusuke Yamauchi, -1

机译：染料敏化太阳能电池中用于高表面积光散射层TiO2光阳极的聚集介孔纳米粒子
9. A single layer deposition of Li-doped mesoporous TiO2 beads for low-cost and efficient dye-sensitized solar cells [O] . P. Golvari, E. Nouri, N. Mohsenzadegan, 2021

机译：用于低成本高效染料敏化太阳能电池的Li-掺杂介孔TiO2珠粒的单层沉积
10. Effect of Annealing on the Photoconductivity of Carbon Nanofiber/TiO2 Core-Shell Nanowires for Use in Dye-Sensitized Solar Cells. [R] . C. Rochford J. Baca J. Li J. Liu Z. Li 2010

机译：退火对碳纳米纤维/ TiO2核壳纳米线在染料敏化太阳能电池中的光电导性的影响。

A single layer deposition of Li-doped mesoporous TiO2 beads for low-cost and efficient dye-sensitized solar cells

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