Cs/MAPbI3 composite formation and its influence on optical properties
The stability issue is very critical for organic hybrid perovskite CH3NH3PbI3 to be used in solar cell applications; whereas CsPbI3 is reported to be more stable than that of CH3NH3PbI3. In the present work, we attempt to substitute Cs+ in the organic hybrid perovskite CH3NH3PbI3 matrix to form Csx(...
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| Veröffentlicht in: | Journal of alloys and compounds 2019-04, Vol.783, p.935-942 |
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| container_title | Journal of alloys and compounds |
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| creator | Pawar, Vani Kumar, Manish Jha, Priyanka A. Gupta, S.K. Jha, Pardeep K. Singh, Prabhakar |
| description | The stability issue is very critical for organic hybrid perovskite CH3NH3PbI3 to be used in solar cell applications; whereas CsPbI3 is reported to be more stable than that of CH3NH3PbI3. In the present work, we attempt to substitute Cs+ in the organic hybrid perovskite CH3NH3PbI3 matrix to form Csx(CH3NH3)1-xPbI3 with 0 ≤ x ≤ 0.4 in ambient conditions i.e., at room temperature and in air via solid state reaction route. The structural studies reveal presence of both CH3NH3PbI3 (tetragonal, I4/mcm) and CsPbI3 (orthorhombic, Pnma) phases for x > 0. It is appearing that partial solid solution formation has occurred up to x = 0.2 but for x > 0.2, the composite formation dominates. The optical band gap is slightly increased by ∼0.02 eV with substitution. These compounds keep the basic feature of parent CH3NH3PbI3 along with stability of CsPbI3.
•Composite formation of Csx (CH3NH3) (1-x)PbI3 processed via cold sintering method.•Composite formation is studied using structural and optical properties.•Further, this composite formation has also been verified thermodynamically. |
| doi_str_mv | 10.1016/j.jallcom.2018.12.333 |
| format | Article |
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•Composite formation of Csx (CH3NH3) (1-x)PbI3 processed via cold sintering method.•Composite formation is studied using structural and optical properties.•Further, this composite formation has also been verified thermodynamically.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2018.12.333</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Composite ; Optical properties ; Perovskite materials ; Perovskites ; Photovoltaic cells ; Raman ; Solar cells ; Solid solutions ; Stability ; Substitution reactions ; XRD</subject><ispartof>Journal of alloys and compounds, 2019-04, Vol.783, p.935-942</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Apr 30, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c318t-61323eb20e51b06b9586d36adbe8aa1177af119c4202d63a9afe082f03e0d3bc3</citedby><cites>FETCH-LOGICAL-c318t-61323eb20e51b06b9586d36adbe8aa1177af119c4202d63a9afe082f03e0d3bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2018.12.333$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids></links><search><creatorcontrib>Pawar, Vani</creatorcontrib><creatorcontrib>Kumar, Manish</creatorcontrib><creatorcontrib>Jha, Priyanka A.</creatorcontrib><creatorcontrib>Gupta, S.K.</creatorcontrib><creatorcontrib>Jha, Pardeep K.</creatorcontrib><creatorcontrib>Singh, Prabhakar</creatorcontrib><title>Cs/MAPbI3 composite formation and its influence on optical properties</title><title>Journal of alloys and compounds</title><description>The stability issue is very critical for organic hybrid perovskite CH3NH3PbI3 to be used in solar cell applications; whereas CsPbI3 is reported to be more stable than that of CH3NH3PbI3. In the present work, we attempt to substitute Cs+ in the organic hybrid perovskite CH3NH3PbI3 matrix to form Csx(CH3NH3)1-xPbI3 with 0 ≤ x ≤ 0.4 in ambient conditions i.e., at room temperature and in air via solid state reaction route. The structural studies reveal presence of both CH3NH3PbI3 (tetragonal, I4/mcm) and CsPbI3 (orthorhombic, Pnma) phases for x > 0. It is appearing that partial solid solution formation has occurred up to x = 0.2 but for x > 0.2, the composite formation dominates. The optical band gap is slightly increased by ∼0.02 eV with substitution. These compounds keep the basic feature of parent CH3NH3PbI3 along with stability of CsPbI3.
•Composite formation of Csx (CH3NH3) (1-x)PbI3 processed via cold sintering method.•Composite formation is studied using structural and optical properties.•Further, this composite formation has also been verified thermodynamically.</description><subject>Composite</subject><subject>Optical properties</subject><subject>Perovskite materials</subject><subject>Perovskites</subject><subject>Photovoltaic cells</subject><subject>Raman</subject><subject>Solar cells</subject><subject>Solid solutions</subject><subject>Stability</subject><subject>Substitution reactions</subject><subject>XRD</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkF1LwzAUhoMoOKc_QSh43S4nWbPkSsaYOpjohV6HND2FlK6pSSb4782Y914dOLwfvA8h90AroCAWfdWbYbD-UDEKsgJWcc4vyAzkipdLIdQlmVHF6lJyKa_JTYw9pRQUhxnZbuLidf3e7HiRAyYfXcKi8-FgkvNjYca2cCkWbuyGI44Wi_z0U3LWDMUU_IQhOYy35KozQ8S7vzsnn0_bj81LuX973m3W-9JykKkUwBnHhlGsoaGiUbUULRembVAaA7BamQ5A2SWjrBXcKNMhlayjHGnLG8vn5OGcm6u_jhiT7v0xjLlSM1BKqhqAZ1V9VtngYwzY6Sm4gwk_Gqg-EdO9_iOmT8Q0MJ2JZd_j2Yd5wrfDoKN1p9GtC2iTbr37J-EXPWh2jQ</recordid><startdate>20190430</startdate><enddate>20190430</enddate><creator>Pawar, Vani</creator><creator>Kumar, Manish</creator><creator>Jha, Priyanka A.</creator><creator>Gupta, S.K.</creator><creator>Jha, Pardeep K.</creator><creator>Singh, Prabhakar</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190430</creationdate><title>Cs/MAPbI3 composite formation and its influence on optical properties</title><author>Pawar, Vani ; Kumar, Manish ; Jha, Priyanka A. ; Gupta, S.K. ; Jha, Pardeep K. ; Singh, Prabhakar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c318t-61323eb20e51b06b9586d36adbe8aa1177af119c4202d63a9afe082f03e0d3bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Composite</topic><topic>Optical properties</topic><topic>Perovskite materials</topic><topic>Perovskites</topic><topic>Photovoltaic cells</topic><topic>Raman</topic><topic>Solar cells</topic><topic>Solid solutions</topic><topic>Stability</topic><topic>Substitution reactions</topic><topic>XRD</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pawar, Vani</creatorcontrib><creatorcontrib>Kumar, Manish</creatorcontrib><creatorcontrib>Jha, Priyanka A.</creatorcontrib><creatorcontrib>Gupta, S.K.</creatorcontrib><creatorcontrib>Jha, Pardeep K.</creatorcontrib><creatorcontrib>Singh, Prabhakar</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pawar, Vani</au><au>Kumar, Manish</au><au>Jha, Priyanka A.</au><au>Gupta, S.K.</au><au>Jha, Pardeep K.</au><au>Singh, Prabhakar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cs/MAPbI3 composite formation and its influence on optical properties</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2019-04-30</date><risdate>2019</risdate><volume>783</volume><spage>935</spage><epage>942</epage><pages>935-942</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>The stability issue is very critical for organic hybrid perovskite CH3NH3PbI3 to be used in solar cell applications; whereas CsPbI3 is reported to be more stable than that of CH3NH3PbI3. In the present work, we attempt to substitute Cs+ in the organic hybrid perovskite CH3NH3PbI3 matrix to form Csx(CH3NH3)1-xPbI3 with 0 ≤ x ≤ 0.4 in ambient conditions i.e., at room temperature and in air via solid state reaction route. The structural studies reveal presence of both CH3NH3PbI3 (tetragonal, I4/mcm) and CsPbI3 (orthorhombic, Pnma) phases for x > 0. It is appearing that partial solid solution formation has occurred up to x = 0.2 but for x > 0.2, the composite formation dominates. The optical band gap is slightly increased by ∼0.02 eV with substitution. These compounds keep the basic feature of parent CH3NH3PbI3 along with stability of CsPbI3.
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Composite Optical properties Perovskite materials Perovskites Photovoltaic cells Raman Solar cells Solid solutions Stability Substitution reactions XRD |
| title | Cs/MAPbI3 composite formation and its influence on optical properties |
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