Phase control of quasi-2D perovskite thin films by adding MAPbI in the precursor solution
Quasi two-dimensional (Q-2D) perovskite cells have attracted much attention due to their excellent stability compared to their 3D counterparts. However, the Q-2D perovskite thin films prepared by the solution method have been confirmed to be a mixture of small- n phases and large- n phases instead o...
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Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2022-09, Vol.51 (36), p.13919-13927 |
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creator | Wang, Meng You, Jiayu Xu, Cunyun Dong, Jun Luo, Chuanyao Song, Qunliang Zhang, Sam |
description | Quasi two-dimensional (Q-2D) perovskite cells have attracted much attention due to their excellent stability compared to their 3D counterparts. However, the Q-2D perovskite thin films prepared by the solution method have been confirmed to be a mixture of small-
n
phases and large-
n
phases instead of a pure phase, where the amount and distribution of these phases have a great significance on the performance of Q-2D perovskite solar cells. Here, commercialized 3D perovskite powder was simply added to an ACI perovskite precursor solution to get a uniform and closely connected heterostructure in which the large-
n
phases can work as pathways for charge transfer. The characterization results of the films and devices show that the appropriate amount of MAPbI
3
in the precursor solution could distribute the 3D phases homogeneously within the final film to promote the photovoltaic performance of the devices. Consequently, the power conversion efficiency of the Q-2D ACI perovskite solar cell has been increased from 10.4% to 13.82% (with a 32.8% performance improvement).
With proper 3D MAPbI
3
addition, the content and distribution of different phases is regulated. A a relative balance between the photovoltaic performance and stability of quasi-2D perovskite cells is achieved. |
doi_str_mv | 10.1039/d2dt00966h |
format | Article |
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n
phases and large-
n
phases instead of a pure phase, where the amount and distribution of these phases have a great significance on the performance of Q-2D perovskite solar cells. Here, commercialized 3D perovskite powder was simply added to an ACI perovskite precursor solution to get a uniform and closely connected heterostructure in which the large-
n
phases can work as pathways for charge transfer. The characterization results of the films and devices show that the appropriate amount of MAPbI
3
in the precursor solution could distribute the 3D phases homogeneously within the final film to promote the photovoltaic performance of the devices. Consequently, the power conversion efficiency of the Q-2D ACI perovskite solar cell has been increased from 10.4% to 13.82% (with a 32.8% performance improvement).
With proper 3D MAPbI
3
addition, the content and distribution of different phases is regulated. A a relative balance between the photovoltaic performance and stability of quasi-2D perovskite cells is achieved.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d2dt00966h</identifier><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2022-09, Vol.51 (36), p.13919-13927</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wang, Meng</creatorcontrib><creatorcontrib>You, Jiayu</creatorcontrib><creatorcontrib>Xu, Cunyun</creatorcontrib><creatorcontrib>Dong, Jun</creatorcontrib><creatorcontrib>Luo, Chuanyao</creatorcontrib><creatorcontrib>Song, Qunliang</creatorcontrib><creatorcontrib>Zhang, Sam</creatorcontrib><title>Phase control of quasi-2D perovskite thin films by adding MAPbI in the precursor solution</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>Quasi two-dimensional (Q-2D) perovskite cells have attracted much attention due to their excellent stability compared to their 3D counterparts. However, the Q-2D perovskite thin films prepared by the solution method have been confirmed to be a mixture of small-
n
phases and large-
n
phases instead of a pure phase, where the amount and distribution of these phases have a great significance on the performance of Q-2D perovskite solar cells. Here, commercialized 3D perovskite powder was simply added to an ACI perovskite precursor solution to get a uniform and closely connected heterostructure in which the large-
n
phases can work as pathways for charge transfer. The characterization results of the films and devices show that the appropriate amount of MAPbI
3
in the precursor solution could distribute the 3D phases homogeneously within the final film to promote the photovoltaic performance of the devices. Consequently, the power conversion efficiency of the Q-2D ACI perovskite solar cell has been increased from 10.4% to 13.82% (with a 32.8% performance improvement).
With proper 3D MAPbI
3
addition, the content and distribution of different phases is regulated. A a relative balance between the photovoltaic performance and stability of quasi-2D perovskite cells is achieved.</description><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFjrsOgjAUQBujifhY3E3uD6ClIITR-IgOJgwuTqRAkSpQ7C0m_L0ORkenc5KzHEJmDl041A2XGcsMpaHvFz1iOV4Q2CFzvf7XmT8kI8QbpYzRFbPIJSo4CkhVbbQqQeXwaDlKm22hEVo98S6NAFPIGnJZVghJBzzLZH2F0zpKjvAOphDQaJG2GpUGVGVrpKonZJDzEsX0wzGZ73fnzcHWmMaNlhXXXfz7df_1F0muQ8g</recordid><startdate>20220920</startdate><enddate>20220920</enddate><creator>Wang, Meng</creator><creator>You, Jiayu</creator><creator>Xu, Cunyun</creator><creator>Dong, Jun</creator><creator>Luo, Chuanyao</creator><creator>Song, Qunliang</creator><creator>Zhang, Sam</creator><scope/></search><sort><creationdate>20220920</creationdate><title>Phase control of quasi-2D perovskite thin films by adding MAPbI in the precursor solution</title><author>Wang, Meng ; You, Jiayu ; Xu, Cunyun ; Dong, Jun ; Luo, Chuanyao ; Song, Qunliang ; Zhang, Sam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_d2dt00966h3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2022</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Wang, Meng</creatorcontrib><creatorcontrib>You, Jiayu</creatorcontrib><creatorcontrib>Xu, Cunyun</creatorcontrib><creatorcontrib>Dong, Jun</creatorcontrib><creatorcontrib>Luo, Chuanyao</creatorcontrib><creatorcontrib>Song, Qunliang</creatorcontrib><creatorcontrib>Zhang, Sam</creatorcontrib><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Meng</au><au>You, Jiayu</au><au>Xu, Cunyun</au><au>Dong, Jun</au><au>Luo, Chuanyao</au><au>Song, Qunliang</au><au>Zhang, Sam</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase control of quasi-2D perovskite thin films by adding MAPbI in the precursor solution</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2022-09-20</date><risdate>2022</risdate><volume>51</volume><issue>36</issue><spage>13919</spage><epage>13927</epage><pages>13919-13927</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Quasi two-dimensional (Q-2D) perovskite cells have attracted much attention due to their excellent stability compared to their 3D counterparts. However, the Q-2D perovskite thin films prepared by the solution method have been confirmed to be a mixture of small-
n
phases and large-
n
phases instead of a pure phase, where the amount and distribution of these phases have a great significance on the performance of Q-2D perovskite solar cells. Here, commercialized 3D perovskite powder was simply added to an ACI perovskite precursor solution to get a uniform and closely connected heterostructure in which the large-
n
phases can work as pathways for charge transfer. The characterization results of the films and devices show that the appropriate amount of MAPbI
3
in the precursor solution could distribute the 3D phases homogeneously within the final film to promote the photovoltaic performance of the devices. Consequently, the power conversion efficiency of the Q-2D ACI perovskite solar cell has been increased from 10.4% to 13.82% (with a 32.8% performance improvement).
With proper 3D MAPbI
3
addition, the content and distribution of different phases is regulated. A a relative balance between the photovoltaic performance and stability of quasi-2D perovskite cells is achieved.</abstract><doi>10.1039/d2dt00966h</doi><tpages>9</tpages></addata></record> |
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title | Phase control of quasi-2D perovskite thin films by adding MAPbI in the precursor solution |
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