Bismuth Enhances the Stability of CH3NH3PbI3 (MAPI) Perovskite under High Humidity
Methylammonium lead iodide (CH3NH3PbI3, MAPI) is a high-performance solar cell material but lacks stability in the presence of humidity. Addition of a few percent bismuth (Bi) as a trivalent cation substitute for Pb (i.e., MAP(Bi)I) leads to enhanced stability under high (90%) relative humidity (R...
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| Veröffentlicht in: | Journal of physical chemistry. C 2019-01, Vol.123 (1), p.963-970 |
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| container_title | Journal of physical chemistry. C |
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| creator | Siegler, Timothy D Houck, Daniel W Cho, Shin Hum Milliron, Delia J Korgel, Brian A |
| description | Methylammonium lead iodide (CH3NH3PbI3, MAPI) is a high-performance solar cell material but lacks stability in the presence of humidity. Addition of a few percent bismuth (Bi) as a trivalent cation substitute for Pb (i.e., MAP(Bi)I) leads to enhanced stability under high (90%) relative humidity (RH). At moderate humidity (60% RH), however, MAP(Bi)I degrades more rapidly than MAPI. Bi incorporation into MAPI either stabilizes or destabilizes the two hydration products, MAPI·H2O and PbI2, depending on the amount of humidity in the environment. |
| doi_str_mv | 10.1021/acs.jpcc.8b11674 |
| format | Article |
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C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Siegler, Timothy D</au><au>Houck, Daniel W</au><au>Cho, Shin Hum</au><au>Milliron, Delia J</au><au>Korgel, Brian A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bismuth Enhances the Stability of CH3NH3PbI3 (MAPI) Perovskite under High Humidity</atitle><jtitle>Journal of physical chemistry. C</jtitle><addtitle>J. Phys. Chem. C</addtitle><date>2019-01-10</date><risdate>2019</risdate><volume>123</volume><issue>1</issue><spage>963</spage><epage>970</epage><pages>963-970</pages><issn>1932-7447</issn><eissn>1932-7455</eissn><abstract>Methylammonium lead iodide (CH3NH3PbI3, MAPI) is a high-performance solar cell material but lacks stability in the presence of humidity. Addition of a few percent bismuth (Bi) as a trivalent cation substitute for Pb (i.e., MAP(Bi)I) leads to enhanced stability under high (90%) relative humidity (RH). At moderate humidity (60% RH), however, MAP(Bi)I degrades more rapidly than MAPI. Bi incorporation into MAPI either stabilizes or destabilizes the two hydration products, MAPI·H2O and PbI2, depending on the amount of humidity in the environment.</abstract><pub>American Chemical Society</pub><doi>10.1021/acs.jpcc.8b11674</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-8737-451X</orcidid><orcidid>https://orcid.org/0000-0001-6242-7526</orcidid><orcidid>https://orcid.org/0000-0002-0271-116X</orcidid></addata></record> |
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| title | Bismuth Enhances the Stability of CH3NH3PbI3 (MAPI) Perovskite under High Humidity |
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