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In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces./
作者:	Biggin, Mary Ellen.
面頁冊數:	1 online resource (147 pages)
附註:	Source: Dissertations Abstracts International, Volume: 63-06, Section: B.
Contained By:	Dissertations Abstracts International63-06B.
標題:	Analytical chemistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3023020click for full text (PQDT)
ISBN:	9780493345475

In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces.
Biggin, Mary Ellen.

In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces. - 1 online resource (147 pages)

Source: Dissertations Abstracts International, Volume: 63-06, Section: B.

Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001.

Includes bibliographical references

This thesis encompasses in situ vibrational spectroscopic and electrochemical studies of several electrodeposition additives on copper surfaces. The potential dependent behaviors of benzotriazole (BTAH) and 1-(methoxymethyl)-1H-benzotriazole (MeOMe-BTA) on copper surfaces were addressed. Polarization modulation infrared reflection-absorption spectroscopic (PM-IRRAS) results showed that the identity of the anion in the supporting electrolyte has a significant effect on the formation and decomposition of the Cu(I)BTA multilayer surface complex. In chloride-containing solution, the Cu(I)BTA film is more easily formed. This film can be completely reduced upon excursion to more negative potentials. In sulfuric acid solution, the Cu(I)BTA film is formed less readily at more positive potentials and cannot be completely reduced at more negative potentials. The differences in the film formation/decomposition in the two electrolytes are attributed to coordination of the anion (Cl− or HSO 4−) to the Cu(I) center of the Cu(I)BTA complex. MeOMe-BTA does not form a complex with copper due to blockage of one of the triazole ring nitrogens. The potential dependent behaviors of sodium bis-(3-sulfopropyl)-disulfide (SPS) and 3-mercapto-1-propanesulfonate (MPS) on copper surfaces were studied with surface-enhanced Raman spectroscopy (SERS). The results suggest that SPS interacts with the Cu surface primarily through the sulfur(s) of the S-S portion of the molecule and that MPS interacts with the Cu surface through the thiolate sulfur. The two molecules associate with the surface in a similar manner. SPS and MPS do, however, exhibit different voltammetric responses; the differences may be due to the S-S linkage in SPS. At potentials negative of ca. −0.40 V, SPS desorbs from the Cu surface and/or reacts with Cu, possibly to form a Cu(I) complex. Mass spectrometric data suggests that SPS forms a complex with copper. The potential-dependent behavior of silicotungstate, α-SiW 12O404−, on copper, silver, and gold electrode surfaces was investigated using SERS and PM-IRRAS. The results show that silicotungstate interacts with Cu surfaces. This interaction is shown to be potential-dependent; α-SiW12O404− associates with the Cu surface to a greater extent as the potential is stepped negatively. As the potential is stepped back positively, the α-SiW 12O404− still interacts with the surface.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9780493345475Subjects--Topical Terms:

3168300
Analytical chemistry.
Subjects--Index Terms:

BenzotriazoleIndex Terms--Genre/Form:

542853
Electronic books.

In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces.
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245 1 0 $a In situ vibrational spectroscopic and electrochemical study of electrodeposition additives on copper surfaces.
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500 $a Source: Dissertations Abstracts International, Volume: 63-06, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Gewirth, Andrew A.
502 $a Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001.
504 $a Includes bibliographical references
520 $a This thesis encompasses in situ vibrational spectroscopic and electrochemical studies of several electrodeposition additives on copper surfaces. The potential dependent behaviors of benzotriazole (BTAH) and 1-(methoxymethyl)-1H-benzotriazole (MeOMe-BTA) on copper surfaces were addressed. Polarization modulation infrared reflection-absorption spectroscopic (PM-IRRAS) results showed that the identity of the anion in the supporting electrolyte has a significant effect on the formation and decomposition of the Cu(I)BTA multilayer surface complex. In chloride-containing solution, the Cu(I)BTA film is more easily formed. This film can be completely reduced upon excursion to more negative potentials. In sulfuric acid solution, the Cu(I)BTA film is formed less readily at more positive potentials and cannot be completely reduced at more negative potentials. The differences in the film formation/decomposition in the two electrolytes are attributed to coordination of the anion (Cl− or HSO 4−) to the Cu(I) center of the Cu(I)BTA complex. MeOMe-BTA does not form a complex with copper due to blockage of one of the triazole ring nitrogens. The potential dependent behaviors of sodium bis-(3-sulfopropyl)-disulfide (SPS) and 3-mercapto-1-propanesulfonate (MPS) on copper surfaces were studied with surface-enhanced Raman spectroscopy (SERS). The results suggest that SPS interacts with the Cu surface primarily through the sulfur(s) of the S-S portion of the molecule and that MPS interacts with the Cu surface through the thiolate sulfur. The two molecules associate with the surface in a similar manner. SPS and MPS do, however, exhibit different voltammetric responses; the differences may be due to the S-S linkage in SPS. At potentials negative of ca. −0.40 V, SPS desorbs from the Cu surface and/or reacts with Cu, possibly to form a Cu(I) complex. Mass spectrometric data suggests that SPS forms a complex with copper. The potential-dependent behavior of silicotungstate, α-SiW 12O404−, on copper, silver, and gold electrode surfaces was investigated using SERS and PM-IRRAS. The results show that silicotungstate interacts with Cu surfaces. This interaction is shown to be potential-dependent; α-SiW12O404− associates with the Cu surface to a greater extent as the potential is stepped negatively. As the potential is stepped back positively, the α-SiW 12O404− still interacts with the surface.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Analytical chemistry. $3 3168300
653 $a Benzotriazole
653 $a Copper
653 $a Electrodeposition
653 $a Surfaces
655 7 $a Electronic books. $2 lcsh $3 542853
690 $a 0486
710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a University of Illinois at Urbana-Champaign. $3 626646
773 0 $t Dissertations Abstracts International $g 63-06B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3023020 $z click for full text (PQDT)