Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating
Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. The growth process of passive films is comprehensively analyzed from the surface potential, microstructure and chemical composition by potential-time curve, FESEM and XPS. Meanwhile, the corr...
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| Veröffentlicht in: | RSC advances 2022-10, Vol.12 (46), p.29697-2978 |
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| creator | Chen, Huimin Wang, Shuaixing Liao, Zhixiang Peng, Shusen Du, Nan |
| description | Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. The growth process of passive films is comprehensively analyzed from the surface potential, microstructure and chemical composition by potential-time curve, FESEM and XPS. Meanwhile, the corrosion resistance of copper coatings with different passivation treatments is evaluated by potentiodynamic polarization curves and electrochemical impedance spectroscopy. During the composite passivation process of BTAH and MBT, the copper coating undergoes the following steps: chemical dissolution of the copper coating, preferential adsorption of MBT, formation of Cu(
i
)-BTA complex film and Cu
2
O, and synergistic growth of Cu(
i
)-BTA and Cu(
i
)-MBT. A protective film with a thickness of about 233 nm, containing the inner layer of BTA-Cu(
i
) and MBT-Cu(
i
) and the outer layer of MBT-Cu(
i
) and Cu
2
O, is formed on the copper coating after composite passivation. The composite passivation film significantly improves the corrosion resistance of copper coatings, and its corrosion inhibition efficiency for copper coatings reaches 90.7%, which is far better than that produced by using BTAH or MBT alone.
Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. |
| doi_str_mv | 10.1039/d2ra05411f |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1039_D2RA05411F</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2732536023</sourcerecordid><originalsourceid>FETCH-LOGICAL-c405t-45268aac235bf936e6931d64168b1accef164b28260f4742e3032efc0911cd63</originalsourceid><addsrcrecordid>eNpdkc1LAzEQxRdRsGgv3oUFLyKsJpNsbC6C1E8oCNJ7yGYn7cruZk1SQf96oy31Yy4z8H7zmOFl2REl55QweVGD16TklNqdbASEiwKIkLu_5v1sHMILSSVKCoKOsuXUdYMLTcR88C6iic0b5mhtmnJn8wr7Dxd9oz9ci7nu6xyKDr3RQ3RrbbnRXJ9jm7a8G1odsc6NGwb0qenY9IvDbM_qNuB40w-y-d3tfPpQzJ7uH6fXs8JwUsaClyAmWhtgZWUlEygko7XgVEwqqo1BSwWvYAKCWH7JARlhgNYQSampBTvIrta2w6rqsDbYR69bNfim0_5dOd2ov0rfLNXCvSlZSk4JTwanGwPvXlcYouqaYLBtdY9uFRRcMiiZIMASevIPfXEr36fvEgUTCTI9kKizNWW8C8Gj3R5DifrKTd3A8_V3bncJPl7DPpgt95Mr-wQ3uJbD</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2728929936</pqid></control><display><type>article</type><title>Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating</title><source>DOAJ Directory of Open Access Journals</source><source>PubMed Central Open Access</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><creator>Chen, Huimin ; Wang, Shuaixing ; Liao, Zhixiang ; Peng, Shusen ; Du, Nan</creator><creatorcontrib>Chen, Huimin ; Wang, Shuaixing ; Liao, Zhixiang ; Peng, Shusen ; Du, Nan</creatorcontrib><description>Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. The growth process of passive films is comprehensively analyzed from the surface potential, microstructure and chemical composition by potential-time curve, FESEM and XPS. Meanwhile, the corrosion resistance of copper coatings with different passivation treatments is evaluated by potentiodynamic polarization curves and electrochemical impedance spectroscopy. During the composite passivation process of BTAH and MBT, the copper coating undergoes the following steps: chemical dissolution of the copper coating, preferential adsorption of MBT, formation of Cu(
i
)-BTA complex film and Cu
2
O, and synergistic growth of Cu(
i
)-BTA and Cu(
i
)-MBT. A protective film with a thickness of about 233 nm, containing the inner layer of BTA-Cu(
i
) and MBT-Cu(
i
) and the outer layer of MBT-Cu(
i
) and Cu
2
O, is formed on the copper coating after composite passivation. The composite passivation film significantly improves the corrosion resistance of copper coatings, and its corrosion inhibition efficiency for copper coatings reaches 90.7%, which is far better than that produced by using BTAH or MBT alone.
Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/d2ra05411f</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Benzotriazole ; Chemical composition ; Chemistry ; Copper ; Copper oxides ; Corrosion resistance ; Electrochemical impedance spectroscopy ; Mercaptobenzothiazole ; Passivity ; Plating ; Protective coatings ; Thickness</subject><ispartof>RSC advances, 2022-10, Vol.12 (46), p.29697-2978</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><rights>This journal is © The Royal Society of Chemistry 2022 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-45268aac235bf936e6931d64168b1accef164b28260f4742e3032efc0911cd63</citedby><cites>FETCH-LOGICAL-c405t-45268aac235bf936e6931d64168b1accef164b28260f4742e3032efc0911cd63</cites><orcidid>0000-0001-7996-9807</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9594104/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9594104/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,315,728,781,785,865,886,27929,27930,53796,53798</link.rule.ids></links><search><creatorcontrib>Chen, Huimin</creatorcontrib><creatorcontrib>Wang, Shuaixing</creatorcontrib><creatorcontrib>Liao, Zhixiang</creatorcontrib><creatorcontrib>Peng, Shusen</creatorcontrib><creatorcontrib>Du, Nan</creatorcontrib><title>Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating</title><title>RSC advances</title><description>Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. The growth process of passive films is comprehensively analyzed from the surface potential, microstructure and chemical composition by potential-time curve, FESEM and XPS. Meanwhile, the corrosion resistance of copper coatings with different passivation treatments is evaluated by potentiodynamic polarization curves and electrochemical impedance spectroscopy. During the composite passivation process of BTAH and MBT, the copper coating undergoes the following steps: chemical dissolution of the copper coating, preferential adsorption of MBT, formation of Cu(
i
)-BTA complex film and Cu
2
O, and synergistic growth of Cu(
i
)-BTA and Cu(
i
)-MBT. A protective film with a thickness of about 233 nm, containing the inner layer of BTA-Cu(
i
) and MBT-Cu(
i
) and the outer layer of MBT-Cu(
i
) and Cu
2
O, is formed on the copper coating after composite passivation. The composite passivation film significantly improves the corrosion resistance of copper coatings, and its corrosion inhibition efficiency for copper coatings reaches 90.7%, which is far better than that produced by using BTAH or MBT alone.
Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings.</description><subject>Benzotriazole</subject><subject>Chemical composition</subject><subject>Chemistry</subject><subject>Copper</subject><subject>Copper oxides</subject><subject>Corrosion resistance</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Mercaptobenzothiazole</subject><subject>Passivity</subject><subject>Plating</subject><subject>Protective coatings</subject><subject>Thickness</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdkc1LAzEQxRdRsGgv3oUFLyKsJpNsbC6C1E8oCNJ7yGYn7cruZk1SQf96oy31Yy4z8H7zmOFl2REl55QweVGD16TklNqdbASEiwKIkLu_5v1sHMILSSVKCoKOsuXUdYMLTcR88C6iic0b5mhtmnJn8wr7Dxd9oz9ci7nu6xyKDr3RQ3RrbbnRXJ9jm7a8G1odsc6NGwb0qenY9IvDbM_qNuB40w-y-d3tfPpQzJ7uH6fXs8JwUsaClyAmWhtgZWUlEygko7XgVEwqqo1BSwWvYAKCWH7JARlhgNYQSampBTvIrta2w6rqsDbYR69bNfim0_5dOd2ov0rfLNXCvSlZSk4JTwanGwPvXlcYouqaYLBtdY9uFRRcMiiZIMASevIPfXEr36fvEgUTCTI9kKizNWW8C8Gj3R5DifrKTd3A8_V3bncJPl7DPpgt95Mr-wQ3uJbD</recordid><startdate>20221025</startdate><enddate>20221025</enddate><creator>Chen, Huimin</creator><creator>Wang, Shuaixing</creator><creator>Liao, Zhixiang</creator><creator>Peng, Shusen</creator><creator>Du, Nan</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-7996-9807</orcidid></search><sort><creationdate>20221025</creationdate><title>Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating</title><author>Chen, Huimin ; Wang, Shuaixing ; Liao, Zhixiang ; Peng, Shusen ; Du, Nan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-45268aac235bf936e6931d64168b1accef164b28260f4742e3032efc0911cd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Benzotriazole</topic><topic>Chemical composition</topic><topic>Chemistry</topic><topic>Copper</topic><topic>Copper oxides</topic><topic>Corrosion resistance</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Mercaptobenzothiazole</topic><topic>Passivity</topic><topic>Plating</topic><topic>Protective coatings</topic><topic>Thickness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Huimin</creatorcontrib><creatorcontrib>Wang, Shuaixing</creatorcontrib><creatorcontrib>Liao, Zhixiang</creatorcontrib><creatorcontrib>Peng, Shusen</creatorcontrib><creatorcontrib>Du, Nan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Huimin</au><au>Wang, Shuaixing</au><au>Liao, Zhixiang</au><au>Peng, Shusen</au><au>Du, Nan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating</atitle><jtitle>RSC advances</jtitle><date>2022-10-25</date><risdate>2022</risdate><volume>12</volume><issue>46</issue><spage>29697</spage><epage>2978</epage><pages>29697-2978</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings. The growth process of passive films is comprehensively analyzed from the surface potential, microstructure and chemical composition by potential-time curve, FESEM and XPS. Meanwhile, the corrosion resistance of copper coatings with different passivation treatments is evaluated by potentiodynamic polarization curves and electrochemical impedance spectroscopy. During the composite passivation process of BTAH and MBT, the copper coating undergoes the following steps: chemical dissolution of the copper coating, preferential adsorption of MBT, formation of Cu(
i
)-BTA complex film and Cu
2
O, and synergistic growth of Cu(
i
)-BTA and Cu(
i
)-MBT. A protective film with a thickness of about 233 nm, containing the inner layer of BTA-Cu(
i
) and MBT-Cu(
i
) and the outer layer of MBT-Cu(
i
) and Cu
2
O, is formed on the copper coating after composite passivation. The composite passivation film significantly improves the corrosion resistance of copper coatings, and its corrosion inhibition efficiency for copper coatings reaches 90.7%, which is far better than that produced by using BTAH or MBT alone.
Benzotriazole (BTAH) and 2-mercaptobenzothiazole (MBT) are mixed to passivate electroplated copper coatings.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d2ra05411f</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-7996-9807</orcidid><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; PubMed Central Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Benzotriazole Chemical composition Chemistry Copper Copper oxides Corrosion resistance Electrochemical impedance spectroscopy Mercaptobenzothiazole Passivity Plating Protective coatings Thickness |
| title | Composite protective effect of benzotriazole and 2-mercaptobenzothiazole on electroplated copper coating |
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