Light induced phase change in Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} thin films
Cu{sub 2}ZnSnS{sub 4} and its alloy based thin film solar cells have shown better photovoltaic performance under Cu-poor and Zn-rich conditions. However, the effect of Cu-stoichiometry on the coexistence of kesterite (KS), stannite and/or partially disordered kesterite (PD-KS) phases and their influ...
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| Veröffentlicht in: | Applied physics letters 2014-04, Vol.104 (15) |
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| creator | Kumar Samji, Sunil Tiwari, Brajesh Krishna Surendra, M. Ramachandra Rao, M. S. |
| description | Cu{sub 2}ZnSnS{sub 4} and its alloy based thin film solar cells have shown better photovoltaic performance under Cu-poor and Zn-rich conditions. However, the effect of Cu-stoichiometry on the coexistence of kesterite (KS), stannite and/or partially disordered kesterite (PD-KS) phases and their influence on photovoltaic performance is not clearly understood. Raman studies were carried out on Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} (x = 0, 0.3, and 0.5) thin films by changing the intensity of the incident laser beam. It was observed that both Cu-stoichiometry and incident laser beam intensity induce a disorder in the system. Disorder induced transformation of KS (I4{sup ¯}) to PD-KS (I4{sup ¯}2m) is explained by Raman studies. |
| doi_str_mv | 10.1063/1.4871705 |
| format | Article |
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Disorder induced transformation of KS (I4{sup ¯}) to PD-KS (I4{sup ¯}2m) is explained by Raman studies.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4871705</identifier><language>eng</language><publisher>United States</publisher><subject>COPPER ; CRYSTAL DEFECTS ; LASERS ; MATERIALS SCIENCE ; PHOTOVOLTAIC EFFECT ; SOLAR CELLS ; THIN FILMS ; VISIBLE RADIATION ; ZINC</subject><ispartof>Applied physics letters, 2014-04, Vol.104 (15)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22262598$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Kumar Samji, Sunil</creatorcontrib><creatorcontrib>Tiwari, Brajesh</creatorcontrib><creatorcontrib>Krishna Surendra, M.</creatorcontrib><creatorcontrib>Ramachandra Rao, M. S.</creatorcontrib><title>Light induced phase change in Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} thin films</title><title>Applied physics letters</title><description>Cu{sub 2}ZnSnS{sub 4} and its alloy based thin film solar cells have shown better photovoltaic performance under Cu-poor and Zn-rich conditions. However, the effect of Cu-stoichiometry on the coexistence of kesterite (KS), stannite and/or partially disordered kesterite (PD-KS) phases and their influence on photovoltaic performance is not clearly understood. Raman studies were carried out on Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} (x = 0, 0.3, and 0.5) thin films by changing the intensity of the incident laser beam. It was observed that both Cu-stoichiometry and incident laser beam intensity induce a disorder in the system. Disorder induced transformation of KS (I4{sup ¯}) to PD-KS (I4{sup ¯}2m) is explained by Raman studies.</description><subject>COPPER</subject><subject>CRYSTAL DEFECTS</subject><subject>LASERS</subject><subject>MATERIALS SCIENCE</subject><subject>PHOTOVOLTAIC EFFECT</subject><subject>SOLAR CELLS</subject><subject>THIN FILMS</subject><subject>VISIBLE RADIATION</subject><subject>ZINC</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNirsKwjAYRoMoWC-DbxBwbs2f9OYsiqBbnVykxrSJ1Cj8KQjS3dlH9Eks4gM4fd85HEImwAJgsZhBEKYJJCzqEA9YkvgCIO0SjzEm_HgeQZ8MEM8tRlwIj2y2ptSOGnuqpTrRm85RUalzW6pW0kX9wPpI-fv5ujd7-wUIRJPZ7PvDhjrddoWpLjgivSKvUI1_OyTT1XK3WPtXdOaA0jgltbxaq6Q7cM5jHs1T8V_1AeXfQh0</recordid><startdate>20140414</startdate><enddate>20140414</enddate><creator>Kumar Samji, Sunil</creator><creator>Tiwari, Brajesh</creator><creator>Krishna Surendra, M.</creator><creator>Ramachandra Rao, M. S.</creator><scope>OTOTI</scope></search><sort><creationdate>20140414</creationdate><title>Light induced phase change in Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} thin films</title><author>Kumar Samji, Sunil ; Tiwari, Brajesh ; Krishna Surendra, M. ; Ramachandra Rao, M. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_222625983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>COPPER</topic><topic>CRYSTAL DEFECTS</topic><topic>LASERS</topic><topic>MATERIALS SCIENCE</topic><topic>PHOTOVOLTAIC EFFECT</topic><topic>SOLAR CELLS</topic><topic>THIN FILMS</topic><topic>VISIBLE RADIATION</topic><topic>ZINC</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kumar Samji, Sunil</creatorcontrib><creatorcontrib>Tiwari, Brajesh</creatorcontrib><creatorcontrib>Krishna Surendra, M.</creatorcontrib><creatorcontrib>Ramachandra Rao, M. S.</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kumar Samji, Sunil</au><au>Tiwari, Brajesh</au><au>Krishna Surendra, M.</au><au>Ramachandra Rao, M. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Light induced phase change in Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} thin films</atitle><jtitle>Applied physics letters</jtitle><date>2014-04-14</date><risdate>2014</risdate><volume>104</volume><issue>15</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Cu{sub 2}ZnSnS{sub 4} and its alloy based thin film solar cells have shown better photovoltaic performance under Cu-poor and Zn-rich conditions. However, the effect of Cu-stoichiometry on the coexistence of kesterite (KS), stannite and/or partially disordered kesterite (PD-KS) phases and their influence on photovoltaic performance is not clearly understood. Raman studies were carried out on Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} (x = 0, 0.3, and 0.5) thin films by changing the intensity of the incident laser beam. It was observed that both Cu-stoichiometry and incident laser beam intensity induce a disorder in the system. Disorder induced transformation of KS (I4{sup ¯}) to PD-KS (I4{sup ¯}2m) is explained by Raman studies.</abstract><cop>United States</cop><doi>10.1063/1.4871705</doi></addata></record> |
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| ispartof | Applied physics letters, 2014-04, Vol.104 (15) |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | COPPER CRYSTAL DEFECTS LASERS MATERIALS SCIENCE PHOTOVOLTAIC EFFECT SOLAR CELLS THIN FILMS VISIBLE RADIATION ZINC |
| title | Light induced phase change in Cu{sub 2−x}Zn{sub 1.3}SnS{sub 4} thin films |
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