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首页> 外文期刊>Advanced energy materials >Tailoring the Dimensionality of Hybrid Perovskites in Mesoporous Carbon Electrodes for Type-Ⅱ Band Alignment and Enhanced Performance of Printable Hole-Conductor-Free Perovskite Solar Cells
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Tailoring the Dimensionality of Hybrid Perovskites in Mesoporous Carbon Electrodes for Type-Ⅱ Band Alignment and Enhanced Performance of Printable Hole-Conductor-Free Perovskite Solar Cells

机译：剪裁杂交钙质在介孔碳电极中的杂交钙锌矿的维度，Ⅱ型带对准，可打印孔导体钙钛矿太阳能电池的增强性能

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摘要

Printable hole-conductor-free perovskite solar cells (PSCs) have attracted intensive research attention due to their high stability and simple manufacturing process. However, the cells have suffered severe potential loss in the absence of the hole transporting layer. The dimensionality of the perovskite absorber in the mesoporous carbon electrodes by conducting post-treatments is reduced. The low-dimensional perovskites possess wide-bandgaps and form type-II band alignment, favoring directional charge transportation and thus enhancing the device performance. For the cells using MAPbI(3) (MA = methylammonium) as the light absorber, the open-circuit voltage (V-OC) is significantly enhanced from 0.92 to 0.98 V after posttreatment, delivering an overall efficiency of 16.24%. For the cells based on FAPbI(3) (FA = formamadinium), a high efficiency of 17.47% is achieved with V-OC of 1.02 V, which are both the highest reported values for printable hole-conductor-free PSCs. This strategy provides a facile method for tuning the energy level alignment for mesoscopic perovskite-based optoelectronics.
机译：可印刷的孔导体无钙钛矿太阳能电池（PSC）由于其高稳定性和简单的制造过程而引起了密集的研究。然而，细胞在没有空穴传输层的情况下遭受严重的潜在损失。减少了通过进行后处理介孔碳电极中钙钛矿吸收剂的维度。低维Perovskites具有宽带隙，形成II型带对准，有利于方向电荷运输，从而提高器件性能。对于使用MAPBI（3）（MA =甲基铵）作为光吸收的细胞，在后处理后，开路电压（V-OC）显着增强0.92至0.98V，整体效率为16.24％。对于基于FAPBI（3）（FA =甲腺癌）的细胞，通过1.02 V的V-OC实现高效率为17.47％，这是可打印孔导体PSC的最高报告值。该策略提供了一种用于调整基于介质钙钛矿的光电子的能量水平对准的容易方法。

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  • 来源
    《Advanced energy materials》 |2021年第18期|2100292.1-2100292.8|共8页
  • 作者

    Chen Xiayan; Xia Yongkang; Huang Qingyi; Li Zhe; Mei Anyi; Hu Yue; Wang Ti; Cheacharoen Rongrong; Rong Yaoguang; Han Hongwei;

  • 作者单位

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Wuhan Univ Sch Phys & Technol Minist Educ Wuhan 430072 Peoples R China|Wuhan Univ Key Lab Artificial Micro & Nanostruct Minist Educ Wuhan 430072 Peoples R China;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Wuhan Univ Sch Phys & Technol Minist Educ Wuhan 430072 Peoples R China|Wuhan Univ Key Lab Artificial Micro & Nanostruct Minist Educ Wuhan 430072 Peoples R China;

    Chulalongkorn Univ Met & Mat Sci Res Inst Bangkok 10330 Thailand|Chiang Mai Univ Fac Sci Res Ctr Quantum Technol Chiang Mai 50200 Thailand;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci & Technol China EU Inst Clean & Renewable Energy Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

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  • 正文语种 eng
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  • 关键词

    interface; low dimensional; perovskite solar cells; printable solar cells;

    机译：界面;低维;钙钛矿太阳能电池;可印刷的太阳能电池;

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