Laser induced quasi-periodical microstructures with external field modulation for efficiency gain in photovoltaics
The overall reflectivity of silicon is decreased by 10% altering the surface topology by ultra-short pulsed laser ablation and resulting in an efficiency increase of solar cells. The size of quasi-periodical μm-structures on the surface can be defined by the applied laser parameters. The topology is...
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| Veröffentlicht in: | CIRP annals 2013, Vol.62 (1), p.207-210 |
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| creator | Overmeyer, L. Schütz, V. Horn, A. Stute, U. |
| description | The overall reflectivity of silicon is decreased by 10% altering the surface topology by ultra-short pulsed laser ablation and resulting in an efficiency increase of solar cells. The size of quasi-periodical μm-structures on the surface can be defined by the applied laser parameters. The topology is additionally adapted in size and distance of the microstructures at constant laser parameters with a specifically applied external electrical field leading to a cone-like microstructure with an adjustable light-trapping geometry. On large scale multicrystalline silicon solar wafers with a laser generated μm-scale surface topology were processed into cells with an absolute efficiency gain. |
| doi_str_mv | 10.1016/j.cirp.2013.03.110 |
| format | Article |
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On large scale multicrystalline silicon solar wafers with a laser generated μm-scale surface topology were processed into cells with an absolute efficiency gain.</description><subject>Energy efficiency</subject><subject>Gain</subject><subject>Laser micro machining</subject><subject>Lasers</subject><subject>Microstructure</subject><subject>Modulation</subject><subject>Photovoltaic cells</subject><subject>Silicon</subject><subject>Solar cells</subject><subject>Topology</subject><issn>0007-8506</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkDuP1TAQhVOAxLLLH6BySZMwfsWJRINWvKQr0Sy1ZcYTdq5y46ztLOy_J5dLDdUU53xHmq9pXkvoJMj-7bFDzmunQOoOdCclPGuuAMC1g4X-RfOylCOAteDUVZMPoVAWvMQNKYqHLRRuV8qcImOYxYkxp1LzhnXLVMRPrveCflXKy55OTHMUpxS3OVROi5hSFjRNjEwLPokfgZd9W6z3qabHNNfAWG6a51OYC736e6-bbx8_3N1-bg9fP325fX9o0YCrrRpklKi1CUrb2JtxHHsEI2Ei6RxY-u6UG-2gLDpjQTkMvVF20C4ihoH0dfPmsrvm9LBRqf7EBWmew0JpK15aLQGMg_7_VaPGEXpjzF5Vl-rZS8k0-TXzKeQnL8Gf_fujP_v3Z_8etN_979C7C0T7v49M2Zc_hihyJqw-Jv4X_hvoTJHI</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>Overmeyer, L.</creator><creator>Schütz, V.</creator><creator>Horn, A.</creator><creator>Stute, U.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TA</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>2013</creationdate><title>Laser induced quasi-periodical microstructures with external field modulation for efficiency gain in photovoltaics</title><author>Overmeyer, L. ; Schütz, V. ; Horn, A. ; Stute, U.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-281d1c334a235d649996c0410fe17705eb72795825c745027ca6425837dcca8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Energy efficiency</topic><topic>Gain</topic><topic>Laser micro machining</topic><topic>Lasers</topic><topic>Microstructure</topic><topic>Modulation</topic><topic>Photovoltaic cells</topic><topic>Silicon</topic><topic>Solar cells</topic><topic>Topology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Overmeyer, L.</creatorcontrib><creatorcontrib>Schütz, V.</creatorcontrib><creatorcontrib>Horn, A.</creatorcontrib><creatorcontrib>Stute, U.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Materials Business File</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>CIRP annals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Overmeyer, L.</au><au>Schütz, V.</au><au>Horn, A.</au><au>Stute, U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Laser induced quasi-periodical microstructures with external field modulation for efficiency gain in photovoltaics</atitle><jtitle>CIRP annals</jtitle><date>2013</date><risdate>2013</risdate><volume>62</volume><issue>1</issue><spage>207</spage><epage>210</epage><pages>207-210</pages><issn>0007-8506</issn><abstract>The overall reflectivity of silicon is decreased by 10% altering the surface topology by ultra-short pulsed laser ablation and resulting in an efficiency increase of solar cells. 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| ispartof | CIRP annals, 2013, Vol.62 (1), p.207-210 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Energy efficiency Gain Laser micro machining Lasers Microstructure Modulation Photovoltaic cells Silicon Solar cells Topology |
| title | Laser induced quasi-periodical microstructures with external field modulation for efficiency gain in photovoltaics |
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