Inhibition of copper corrosion in sodium chloride solution by the self-assembled monolayer of sodium diethyldithiocarbamate
► DDTC is of low toxicity. ► DDTC SAM had good corrosion inhibition effects on copper in 3% NaCl solution. ► DDTC SAM was chemisorbed on copper surface by its S atoms. Sodium diethyldithiocarbamate (DDTC) self-assembled monolayer (SAM) on copper surface has been investigated by SERS and EDS and the...
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| Veröffentlicht in: | Corrosion science 2011-05, Vol.53 (5), p.1999-2005 |
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| container_end_page | 2005 |
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| container_issue | 5 |
| container_start_page | 1999 |
| container_title | Corrosion science |
| container_volume | 53 |
| creator | Liao, Q.Q. Yue, Z.W. Yang, D. Wang, Z.H. Li, Z.H. Ge, H.H. Li, Y.J. |
| description | ► DDTC is of low toxicity. ► DDTC SAM had good corrosion inhibition effects on copper in 3% NaCl solution. ► DDTC SAM was chemisorbed on copper surface by its S atoms.
Sodium diethyldithiocarbamate (DDTC) self-assembled monolayer (SAM) on copper surface has been investigated by SERS and EDS and the results show that DDTC SAM is chemisorbed on copper surface by its S atoms with tilted orientation. Corrosion inhibition ability of DDTC SAM was measured in 3% NaCl solution using electrochemical methods. The impedance results indicate that the maximum inhibition efficiency of DDTC SAM can reach 99%. Quantum chemical calculations show that DDTC has relatively small Δ
E between HOMO and LUMO and large negative charge in its two sulfur atoms, which facilitates the formation of a DDTC SAM on copper surface. |
| doi_str_mv | 10.1016/j.corsci.2011.02.023 |
| format | Article |
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Sodium diethyldithiocarbamate (DDTC) self-assembled monolayer (SAM) on copper surface has been investigated by SERS and EDS and the results show that DDTC SAM is chemisorbed on copper surface by its S atoms with tilted orientation. Corrosion inhibition ability of DDTC SAM was measured in 3% NaCl solution using electrochemical methods. The impedance results indicate that the maximum inhibition efficiency of DDTC SAM can reach 99%. Quantum chemical calculations show that DDTC has relatively small Δ
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Sodium diethyldithiocarbamate (DDTC) self-assembled monolayer (SAM) on copper surface has been investigated by SERS and EDS and the results show that DDTC SAM is chemisorbed on copper surface by its S atoms with tilted orientation. Corrosion inhibition ability of DDTC SAM was measured in 3% NaCl solution using electrochemical methods. The impedance results indicate that the maximum inhibition efficiency of DDTC SAM can reach 99%. Quantum chemical calculations show that DDTC has relatively small Δ
E between HOMO and LUMO and large negative charge in its two sulfur atoms, which facilitates the formation of a DDTC SAM on copper surface.</description><subject>A. Copper</subject><subject>Acoustic microscopes</subject><subject>Applied sciences</subject><subject>B. Cyclic voltammetry</subject><subject>B. EIS</subject><subject>B. Raman spectroscopy</subject><subject>Computational efficiency</subject><subject>Copper</subject><subject>CORROSION</subject><subject>Corrosion environments</subject><subject>CORROSION INHIBITORS</subject><subject>Exact sciences and technology</subject><subject>Inhibition</subject><subject>Metals. Metallurgy</subject><subject>Quantum chemistry</subject><subject>Self-assembled monolayers</subject><subject>Sodium</subject><subject>SODIUM CHLORIDE</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kE2LFDEQhoMoOK77D_bQF_HUY-WjM52LIIsfCwteFPYWqpNqOkO6MyY9wuCf34wzeBQKiiqe9y3qZeyOw5YD1x_2W5dycWErgPMtiFryBdvwfmdaUEa_ZBsADq2R_dNr9qaUPQBUFjbsz8MyhSGsIS1NGhuXDgfKteWcynkXlqYkH45z46aYcvBU53j8yw-nZp3qTHFssRSah0i-mdOSIp6qS_W7an2gdTpFH9YpJId5wBlXestejRgL3V77Dfv55fOP-2_t4_evD_efHlunpFpbbUYkGoxBvxNcik7o0QuukGu5w52TnIPiIJxGM-pu8Kg1dl2nRTco0EbesPcX30NOv45UVjuH4ihGXCgdi-216aWRcCbVhXT1_ZJptIccZswny8Geo7Z7e4nanqO2IGrJKnt3PYDFYRwzLi6Uf1qhQPZKdJX7eOGofvs7ULbViRZHPmRyq_Up_P_QM8RcmNY</recordid><startdate>20110501</startdate><enddate>20110501</enddate><creator>Liao, Q.Q.</creator><creator>Yue, Z.W.</creator><creator>Yang, D.</creator><creator>Wang, Z.H.</creator><creator>Li, Z.H.</creator><creator>Ge, H.H.</creator><creator>Li, Y.J.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20110501</creationdate><title>Inhibition of copper corrosion in sodium chloride solution by the self-assembled monolayer of sodium diethyldithiocarbamate</title><author>Liao, Q.Q. ; Yue, Z.W. ; Yang, D. ; Wang, Z.H. ; Li, Z.H. ; Ge, H.H. ; Li, Y.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-69faeeb99ad72132526fd214a1637a7c31104102c6a9f65bda66a555625b40693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>A. Copper</topic><topic>Acoustic microscopes</topic><topic>Applied sciences</topic><topic>B. Cyclic voltammetry</topic><topic>B. EIS</topic><topic>B. Raman spectroscopy</topic><topic>Computational efficiency</topic><topic>Copper</topic><topic>CORROSION</topic><topic>Corrosion environments</topic><topic>CORROSION INHIBITORS</topic><topic>Exact sciences and technology</topic><topic>Inhibition</topic><topic>Metals. Metallurgy</topic><topic>Quantum chemistry</topic><topic>Self-assembled monolayers</topic><topic>Sodium</topic><topic>SODIUM CHLORIDE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liao, Q.Q.</creatorcontrib><creatorcontrib>Yue, Z.W.</creatorcontrib><creatorcontrib>Yang, D.</creatorcontrib><creatorcontrib>Wang, Z.H.</creatorcontrib><creatorcontrib>Li, Z.H.</creatorcontrib><creatorcontrib>Ge, H.H.</creatorcontrib><creatorcontrib>Li, Y.J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liao, Q.Q.</au><au>Yue, Z.W.</au><au>Yang, D.</au><au>Wang, Z.H.</au><au>Li, Z.H.</au><au>Ge, H.H.</au><au>Li, Y.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inhibition of copper corrosion in sodium chloride solution by the self-assembled monolayer of sodium diethyldithiocarbamate</atitle><jtitle>Corrosion science</jtitle><date>2011-05-01</date><risdate>2011</risdate><volume>53</volume><issue>5</issue><spage>1999</spage><epage>2005</epage><pages>1999-2005</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><coden>CRRSAA</coden><abstract>► DDTC is of low toxicity. ► DDTC SAM had good corrosion inhibition effects on copper in 3% NaCl solution. ► DDTC SAM was chemisorbed on copper surface by its S atoms.
Sodium diethyldithiocarbamate (DDTC) self-assembled monolayer (SAM) on copper surface has been investigated by SERS and EDS and the results show that DDTC SAM is chemisorbed on copper surface by its S atoms with tilted orientation. Corrosion inhibition ability of DDTC SAM was measured in 3% NaCl solution using electrochemical methods. The impedance results indicate that the maximum inhibition efficiency of DDTC SAM can reach 99%. Quantum chemical calculations show that DDTC has relatively small Δ
E between HOMO and LUMO and large negative charge in its two sulfur atoms, which facilitates the formation of a DDTC SAM on copper surface.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2011.02.023</doi><tpages>7</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | A. Copper Acoustic microscopes Applied sciences B. Cyclic voltammetry B. EIS B. Raman spectroscopy Computational efficiency Copper CORROSION Corrosion environments CORROSION INHIBITORS Exact sciences and technology Inhibition Metals. Metallurgy Quantum chemistry Self-assembled monolayers Sodium SODIUM CHLORIDE |
| title | Inhibition of copper corrosion in sodium chloride solution by the self-assembled monolayer of sodium diethyldithiocarbamate |
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