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Cage Polyamine Molecule Hexamethylenetetramine as Additives for Improving Performance of Perovskite Solar Cells.

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Title: Cage Polyamine Molecule Hexamethylenetetramine as Additives for Improving Performance of Perovskite Solar Cells.
Authors: Tian, Jingxu1 (AUTHOR), Wu, Jihuai1 (AUTHOR) jhwu@hqu.edu.cn, Lin, Yuhe1 (AUTHOR), Geng, Jialian1 (AUTHOR), Shi, Jialiang1 (AUTHOR), Lin, Wenhui1 (AUTHOR), Hao, Wenxuan1 (AUTHOR), Ke, Chaoran1 (AUTHOR), Yang, Jinhui1 (AUTHOR), Sun, Weihai1 (AUTHOR), Lan, Zhang1 (AUTHOR)
Source: Energy Technology. Mar2023, Vol. 11 Issue 3, p1-9. 9p.
Subject Terms: *Solar cells, Methenamine, Tin oxides, Carrier density, Electron transport
Abstract: As a rising star in the photovoltaic field, perovskite solar cells (PSCs) have attracted extensive attention. However, the industrialization development of PSCs still faces the dual challenges of improving efficiency and stability. Herein, a cage polyamine molecule hexamethylenetetramine (HMTA) as additive is incorporated into the tin oxide electron transport layer (ETL). The introduction of HMTA improves the electron extraction ability of SnO2 and optimizes the energy‐level alignment of function layers. The modification of HMTA also passivates the uncoordinated Pb2+ in the perovskite and reduces the oxygen vacancy defects of SnO2, which alleviate trap‐state density and carrier nonradiative recombination. As a result, the PSC based on the SnO2 ETL modified with HMTA achieves a high power conversion efficiency of 22.37% along with good stability. The research results demonstrate a typical case of using cage polyamines to improve the performance and stability of PSCs. [ABSTRACT FROM AUTHOR]
Copyright of Energy Technology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Cage Polyamine Molecule Hexamethylenetetramine as Additives for Improving Performance of Perovskite Solar Cells.
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  Data: <searchLink fieldCode="AR" term="%22Tian%2C+Jingxu%22">Tian, Jingxu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Jihuai%22">Wu, Jihuai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jhwu@hqu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Lin%2C+Yuhe%22">Lin, Yuhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Geng%2C+Jialian%22">Geng, Jialian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Jialiang%22">Shi, Jialiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Wenhui%22">Lin, Wenhui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hao%2C+Wenxuan%22">Hao, Wenxuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ke%2C+Chaoran%22">Ke, Chaoran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jinhui%22">Yang, Jinhui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Weihai%22">Sun, Weihai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lan%2C+Zhang%22">Lan, Zhang</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energy+Technology%22">Energy Technology</searchLink>. Mar2023, Vol. 11 Issue 3, p1-9. 9p.
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  Data: *<searchLink fieldCode="DE" term="%22Solar+cells%22">Solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Methenamine%22">Methenamine</searchLink><br /><searchLink fieldCode="DE" term="%22Tin+oxides%22">Tin oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Carrier+density%22">Carrier density</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+transport%22">Electron transport</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: As a rising star in the photovoltaic field, perovskite solar cells (PSCs) have attracted extensive attention. However, the industrialization development of PSCs still faces the dual challenges of improving efficiency and stability. Herein, a cage polyamine molecule hexamethylenetetramine (HMTA) as additive is incorporated into the tin oxide electron transport layer (ETL). The introduction of HMTA improves the electron extraction ability of SnO2 and optimizes the energy‐level alignment of function layers. The modification of HMTA also passivates the uncoordinated Pb2+ in the perovskite and reduces the oxygen vacancy defects of SnO2, which alleviate trap‐state density and carrier nonradiative recombination. As a result, the PSC based on the SnO2 ETL modified with HMTA achieves a high power conversion efficiency of 22.37% along with good stability. The research results demonstrate a typical case of using cage polyamines to improve the performance and stability of PSCs. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energy Technology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/ente.202201182
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        Text: English
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      – SubjectFull: Solar cells
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      – SubjectFull: Methenamine
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      – SubjectFull: Tin oxides
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      – SubjectFull: Carrier density
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      – SubjectFull: Electron transport
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      – TitleFull: Cage Polyamine Molecule Hexamethylenetetramine as Additives for Improving Performance of Perovskite Solar Cells.
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            – D: 01
              M: 03
              Text: Mar2023
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              Y: 2023
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