IndiumV3, Main, Repository, bibRecord, 001296

UV-Assisted Electrodeposition of Germanium from an Air- and Water-Stable Ionic Liquid

Identifieur interne : 001296 ( Main/Repository ); précédent : 001295; suivant : 001297

UV-Assisted Electrodeposition of Germanium from an Air- and Water-Stable Ionic Liquid

Auteurs : RBID : Pascal:12-0397796

Descripteurs français

Pascal (Inist)
- Rayonnement UV, Dépôt électrolytique, Germanium, Amidure, Voltammétrie cyclique, Photoabsorption, Electrolyte, Interface, Microscopie électronique balayage, Irradiation UV, Dimension particule, Luminescence, Propriété optique, Revêtement électrodéposé, Substrat or, Substrat indium, Substrat oxyde d'indium et de zinc, Substrat InSnO, 8115P.

English descriptors

KwdEn :
- Amides, Cyclic voltammetry, Electrodeposited coatings, Electrodeposition, Electrolytes, Germanium, Interfaces, Luminescence, Optical properties, Particle size, Photoabsorption, Scanning electron microscopy, Ultraviolet irradiation, Ultraviolet radiation.

Abstract

The effect of UV light during electrodeposition of germanium on Au and on indium tin oxide (ITO) from the ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide ([Py_1,4]Tf₂N) has been investigated. From cyclic voltammetric analysis, two reduction peaks were observed and were assigned to the reduction of Ge(IV) to Ge(II) species, and Ge(II) to Ge(0) species. On using 254 nm UV light during electrodeposition, a decrease of 140 mV occurred on the ITO substrate for the reduction of Ge(IV) to Ge(II) compared with that observed without UV, and a decrease of 204 mV was observed in the reduction of Ge(II) to Ge. The shift in the reduction peak seems to be related to the photoabsorption of UV by the electrolyte, possibly altering the ionic liquid/electrode interface. By characterizing the Ge deposit using scanning electron microscopy, it was observed that the presence of UV irradiation significantly decreased the Ge particle size. A green luminescence was also observed from the electrolyte during the cyclic voltammetry experiments in the presence of UV. The significant influence of UV on the reduction potential and on the electrodeposit might open up new avenues for electrodeposition processes in ionic liquids.

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Pascal:12-0397796

Le document en format XML

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<author><name sortKey="Lahiri, Abhishek" uniqKey="Lahiri A">Abhishek Lahiri</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Particle Technology, Clausthal University of Technology, Arnold-Sommerfeld-Str. 6</s1>
<s2>38678 Clausthal-Zellerfeld</s2>
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<country>Allemagne</country>
<wicri:noRegion>38678 Clausthal-Zellerfeld</wicri:noRegion>
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<wicri:noRegion>38678 Clausthal-Zellerfeld</wicri:noRegion>
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<author><name>SHERIF ZEIN EL ABEDIN</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Particle Technology, Clausthal University of Technology, Arnold-Sommerfeld-Str. 6</s1>
<s2>38678 Clausthal-Zellerfeld</s2>
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<wicri:noRegion>38678 Clausthal-Zellerfeld</wicri:noRegion>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>National Research Center, Dokki</s1>
<s2>Cairo</s2>
<s3>EGY</s3>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Égypte</country>
<wicri:noRegion>Cairo</wicri:noRegion>
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<author><name sortKey="Endres, Frank" uniqKey="Endres F">Frank Endres</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Particle Technology, Clausthal University of Technology, Arnold-Sommerfeld-Str. 6</s1>
<s2>38678 Clausthal-Zellerfeld</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
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<country>Allemagne</country>
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<date when="2012">2012</date>
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<seriesStmt><idno type="ISSN">1932-7447</idno>
<title level="j" type="abbreviated">J. phys. chem., C</title>
<title level="j" type="main">Journal of physical chemistry. C</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amides</term>
<term>Cyclic voltammetry</term>
<term>Electrodeposited coatings</term>
<term>Electrodeposition</term>
<term>Electrolytes</term>
<term>Germanium</term>
<term>Interfaces</term>
<term>Luminescence</term>
<term>Optical properties</term>
<term>Particle size</term>
<term>Photoabsorption</term>
<term>Scanning electron microscopy</term>
<term>Ultraviolet irradiation</term>
<term>Ultraviolet radiation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Rayonnement UV</term>
<term>Dépôt électrolytique</term>
<term>Germanium</term>
<term>Amidure</term>
<term>Voltammétrie cyclique</term>
<term>Photoabsorption</term>
<term>Electrolyte</term>
<term>Interface</term>
<term>Microscopie électronique balayage</term>
<term>Irradiation UV</term>
<term>Dimension particule</term>
<term>Luminescence</term>
<term>Propriété optique</term>
<term>Revêtement électrodéposé</term>
<term>Substrat or</term>
<term>Substrat indium</term>
<term>Substrat oxyde d'indium et de zinc</term>
<term>Substrat InSnO</term>
<term>8115P</term>
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<front><div type="abstract" xml:lang="en">The effect of UV light during electrodeposition of germanium on Au and on indium tin oxide (ITO) from the ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide ([Py<sub>1,4</sub>
]Tf<sub>2</sub>
N) has been investigated. From cyclic voltammetric analysis, two reduction peaks were observed and were assigned to the reduction of Ge(IV) to Ge(II) species, and Ge(II) to Ge(0) species. On using 254 nm UV light during electrodeposition, a decrease of 140 mV occurred on the ITO substrate for the reduction of Ge(IV) to Ge(II) compared with that observed without UV, and a decrease of 204 mV was observed in the reduction of Ge(II) to Ge. The shift in the reduction peak seems to be related to the photoabsorption of UV by the electrolyte, possibly altering the ionic liquid/electrode interface. By characterizing the Ge deposit using scanning electron microscopy, it was observed that the presence of UV irradiation significantly decreased the Ge particle size. A green luminescence was also observed from the electrolyte during the cyclic voltammetry experiments in the presence of UV. The significant influence of UV on the reduction potential and on the electrodeposit might open up new avenues for electrodeposition processes in ionic liquids.</div>
</front>
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<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1932-7447</s0>
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<fA08 i1="01" i2="1" l="ENG"><s1>UV-Assisted Electrodeposition of Germanium from an Air- and Water-Stable Ionic Liquid</s1>
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<fA11 i1="01" i2="1"><s1>LAHIRI (Abhishek)</s1>
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<fA11 i1="02" i2="1"><s1>SHERIF ZEIN EL ABEDIN</s1>
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<fA11 i1="03" i2="1"><s1>ENDRES (Frank)</s1>
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<fA14 i1="01"><s1>Institute of Particle Technology, Clausthal University of Technology, Arnold-Sommerfeld-Str. 6</s1>
<s2>38678 Clausthal-Zellerfeld</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>National Research Center, Dokki</s1>
<s2>Cairo</s2>
<s3>EGY</s3>
<sZ>2 aut.</sZ>
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<fA20><s1>17739-17745</s1>
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<fC01 i1="01" l="ENG"><s0>The effect of UV light during electrodeposition of germanium on Au and on indium tin oxide (ITO) from the ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide ([Py<sub>1,4</sub>
]Tf<sub>2</sub>
N) has been investigated. From cyclic voltammetric analysis, two reduction peaks were observed and were assigned to the reduction of Ge(IV) to Ge(II) species, and Ge(II) to Ge(0) species. On using 254 nm UV light during electrodeposition, a decrease of 140 mV occurred on the ITO substrate for the reduction of Ge(IV) to Ge(II) compared with that observed without UV, and a decrease of 204 mV was observed in the reduction of Ge(II) to Ge. The shift in the reduction peak seems to be related to the photoabsorption of UV by the electrolyte, possibly altering the ionic liquid/electrode interface. By characterizing the Ge deposit using scanning electron microscopy, it was observed that the presence of UV irradiation significantly decreased the Ge particle size. A green luminescence was also observed from the electrolyte during the cyclic voltammetry experiments in the presence of UV. The significant influence of UV on the reduction potential and on the electrodeposit might open up new avenues for electrodeposition processes in ionic liquids.</s0>
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<s5>04</s5>
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<s5>04</s5>
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<s5>05</s5>
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<s5>05</s5>
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<fC03 i1="06" i2="X" l="FRE"><s0>Photoabsorption</s0>
<s5>06</s5>
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<s5>06</s5>
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<s5>08</s5>
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<s5>08</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s5>10</s5>
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<fC03 i1="10" i2="X" l="ENG"><s0>Ultraviolet irradiation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Irradiación UV</s0>
<s5>10</s5>
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<fC03 i1="11" i2="3" l="FRE"><s0>Dimension particule</s0>
<s5>11</s5>
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<fC03 i1="12" i2="3" l="FRE"><s0>Luminescence</s0>
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<s5>14</s5>
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<fC03 i1="15" i2="3" l="FRE"><s0>Substrat or</s0>
<s4>INC</s4>
<s5>46</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>Substrat indium</s0>
<s4>INC</s4>
<s5>47</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>Substrat oxyde d'indium et de zinc</s0>
<s4>INC</s4>
<s5>48</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>Substrat InSnO</s0>
<s4>INC</s4>
<s5>49</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>8115P</s0>
<s4>INC</s4>
<s5>71</s5>
</fC03>
<fN21><s1>310</s1>
</fN21>
</pA>
</standard>
</inist>
</record>

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UV-Assisted Electrodeposition of Germanium from an Air- and Water-Stable Ionic Liquid

UV-Assisted Electrodeposition of Germanium from an Air- and Water-Stable Ionic Liquid

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri