IndiumV3, Main, Repository, bibRecord, 000179

Colloidally stable selenium@copper selenide core@shell nanoparticles as selenium source for manufacturing of copper-indium-selenide solar cells

Identifieur interne : 000179 ( Main/Repository ); précédent : 000178; suivant : 000180

Colloidally stable selenium@copper selenide core@shell nanoparticles as selenium source for manufacturing of copper-indium-selenide solar cells

Auteurs : RBID : Pascal:14-0087058

Descripteurs français

Pascal (Inist)
- Sélénium, Particule enrobée, Fabrication, Indium, Rayonnement solaire, Structure, Cellule solaire, Séléniure de cuivre.

English descriptors

KwdEn :
- Coated particle, Copper selenides, Indium, Manufacturing, Selenium, Solar cell, Solar radiation, Structure.

Abstract

Selenium nanoparticles with diameters of 100-400 nm are prepared via hydrazine-driven reduction of selenious acid. The as-prepared amorphous, red selenium (a-Se) particles were neither a stable phase nor were they colloidally stable. Due to phase transition to crystalline (trigonal), grey selenium (t-Se) at or even below room temperature, the particles merged rapidly and recrystallized as micronsized crystal needles. As a consequence, such Se particles were not suited for layer deposition and as a precursor to manufacture thin-film CIS (copper indium selenide/CulnSe₂) solar cells. To overcome this restriction, Se@CuSe core@shell particles are presented here. For these Se@CuSe core@shell nanoparticles, the phase transition a-Se → t-Se is shifted to temperatures higher than 100°C. Moreover, a spherical shape of the particles is retained even after phase transition. Composition and structure of the Se@CuSe core@shell nanostructure are evidenced by electron microscopy (SEM/STEM), DLS, XRD, FT-IR and line-scan EDXS. As a conceptual study, the newly formed Se@CuSe core@shell nanostructures with CuSe acting as a protecting layer to increase the phase-transition temperature and to improve the colloidal stability were used as a selenium precursor for manufacturing of thin-film CIS solar cells and already lead to conversion efficiencies up to 3%.

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Pascal:14-0087058

Le document en format XML

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<author><name>HAILONG DONG</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Anorganische Chemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 15</s1>
<s2>76131 Karlsruhe</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="1">Bade-Wurtemberg</region>
<region type="district" nuts="2">District de Karlsruhe</region>
<settlement type="city">Karlsruhe</settlement>
</placeName>
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</author>
<author><name sortKey="Quintilla, Aina" uniqKey="Quintilla A">Aina Quintilla</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Zentrum für Sonnenenergie- und Wasserstoffforschung Baden-Württemberg (ZSW), Industriestrasse 6</s1>
<s2>70565 Stuttgart</s2>
<s3>DEU</s3>
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<country>Allemagne</country>
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<wicri:noRegion>Industriestrasse 6</wicri:noRegion>
<wicri:noRegion>70565 Stuttgart</wicri:noRegion>
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</author>
<author><name sortKey="Cemernjak, Marco" uniqKey="Cemernjak M">Marco Cemernjak</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Zentrum für Sonnenenergie- und Wasserstoffforschung Baden-Württemberg (ZSW), Industriestrasse 6</s1>
<s2>70565 Stuttgart</s2>
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<wicri:noRegion>Industriestrasse 6</wicri:noRegion>
<wicri:noRegion>70565 Stuttgart</wicri:noRegion>
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</author>
<author><name sortKey="Popescu, Radian" uniqKey="Popescu R">Radian Popescu</name>
<affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Laboratorium für Elektronenmikroskopie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 7</s1>
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<country>Allemagne</country>
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<author><name sortKey="Gerthsen, Dagmar" uniqKey="Gerthsen D">Dagmar Gerthsen</name>
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<author><name sortKey="Ahlswede, Erik" uniqKey="Ahlswede E">Erik Ahlswede</name>
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<country>Allemagne</country>
<wicri:noRegion>70565 Stuttgart</wicri:noRegion>
<wicri:noRegion>Industriestrasse 6</wicri:noRegion>
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<author><name sortKey="Feldmann, Claus" uniqKey="Feldmann C">Claus Feldmann</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Anorganische Chemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 15</s1>
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<s3>DEU</s3>
<sZ>1 aut.</sZ>
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<country>Allemagne</country>
<placeName><region type="land" nuts="1">Bade-Wurtemberg</region>
<region type="district" nuts="2">District de Karlsruhe</region>
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<date when="2014">2014</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coated particle</term>
<term>Copper selenides</term>
<term>Indium</term>
<term>Manufacturing</term>
<term>Selenium</term>
<term>Solar cell</term>
<term>Solar radiation</term>
<term>Structure</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Sélénium</term>
<term>Particule enrobée</term>
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<term>Rayonnement solaire</term>
<term>Structure</term>
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<front><div type="abstract" xml:lang="en">Selenium nanoparticles with diameters of 100-400 nm are prepared via hydrazine-driven reduction of selenious acid. The as-prepared amorphous, red selenium (a-Se) particles were neither a stable phase nor were they colloidally stable. Due to phase transition to crystalline (trigonal), grey selenium (t-Se) at or even below room temperature, the particles merged rapidly and recrystallized as micronsized crystal needles. As a consequence, such Se particles were not suited for layer deposition and as a precursor to manufacture thin-film CIS (copper indium selenide/CulnSe<sub>2</sub>
) solar cells. To overcome this restriction, Se@CuSe core@shell particles are presented here. For these Se@CuSe core@shell nanoparticles, the phase transition a-Se → t-Se is shifted to temperatures higher than 100°C. Moreover, a spherical shape of the particles is retained even after phase transition. Composition and structure of the Se@CuSe core@shell nanostructure are evidenced by electron microscopy (SEM/STEM), DLS, XRD, FT-IR and line-scan EDXS. As a conceptual study, the newly formed Se@CuSe core@shell nanostructures with CuSe acting as a protecting layer to increase the phase-transition temperature and to improve the colloidal stability were used as a selenium precursor for manufacturing of thin-film CIS solar cells and already lead to conversion efficiencies up to 3%.</div>
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) solar cells. To overcome this restriction, Se@CuSe core@shell particles are presented here. For these Se@CuSe core@shell nanoparticles, the phase transition a-Se → t-Se is shifted to temperatures higher than 100°C. Moreover, a spherical shape of the particles is retained even after phase transition. Composition and structure of the Se@CuSe core@shell nanostructure are evidenced by electron microscopy (SEM/STEM), DLS, XRD, FT-IR and line-scan EDXS. As a conceptual study, the newly formed Se@CuSe core@shell nanostructures with CuSe acting as a protecting layer to increase the phase-transition temperature and to improve the colloidal stability were used as a selenium precursor for manufacturing of thin-film CIS solar cells and already lead to conversion efficiencies up to 3%.</s0>
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Colloidally stable selenium@copper selenide core@shell nanoparticles as selenium source for manufacturing of copper-indium-selenide solar cells

Colloidally stable selenium@copper selenide core@shell nanoparticles as selenium source for manufacturing of copper-indium-selenide solar cells

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