Hybrid pn-junction solar cells based on layers of inorganic nanocrystals and organic semiconductors: optimization of layer thickness by considering the width of the depletion region.
Identifieur interne : 000156 ( Main/Exploration ); précédent : 000155; suivant : 000157Hybrid pn-junction solar cells based on layers of inorganic nanocrystals and organic semiconductors: optimization of layer thickness by considering the width of the depletion region.
Auteurs : RBID : pubmed:24452695Abstract
We report the formation and characterization of hybrid pn-junction solar cells based on a layer of copper diffused silver indium disulfide (AgInS2@Cu) nanoparticles and another layer of copper phthalocyanine (CuPc) molecules. With copper diffusion in the nanocrystals, their optical absorption and hence the activity of the hybrid pn-junction solar cells was extended towards the near-IR region. To decrease the particle-to-particle separation for improved carrier transport through the inorganic layer, we replaced the long-chain ligands of copper-diffused nanocrystals in each monolayer with short-ones. Under illumination, the hybrid pn-junctions yielded a higher short-circuit current as compared to the combined contribution of the Schottky junctions based on the components. A wider depletion region at the interface between the two active layers in the pn-junction device as compared to that of the Schottky junctions has been considered to analyze the results. Capacitance-voltage characteristics under a dark condition supported such a hypothesis. We also determined the width of the depletion region in the two layers separately so that a pn-junction could be formed with a tailored thickness of the two materials. Such a "fully-depleted" device resulted in an improved photovoltaic performance, primarily due to lessening of the internal resistance of the hybrid pn-junction solar cells.
DOI: 10.1039/c3cp52227j
PubMed: 24452695
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Hybrid pn-junction solar cells based on layers of inorganic nanocrystals and organic semiconductors: optimization of layer thickness by considering the width of the depletion region.</title><author><name sortKey="Saha, Sudip K" uniqKey="Saha S">Sudip K Saha</name><affiliation wicri:level="1"><nlm:affiliation>Department of Solid State Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India. sspajp@iacs.res.in.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Solid State Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032</wicri:regionArea></affiliation></author><author><name sortKey="Guchhait, Asim" uniqKey="Guchhait A">Asim Guchhait</name></author><author><name sortKey="Pal, Amlan J" uniqKey="Pal A">Amlan J Pal</name></author></titleStmt><publicationStmt><date when="2014">2014</date><idno type="doi">10.1039/c3cp52227j</idno><idno type="RBID">pubmed:24452695</idno><idno type="pmid">24452695</idno><idno type="wicri:Area/Main/Corpus">000201</idno><idno type="wicri:Area/Main/Curation">000201</idno><idno type="wicri:Area/Main/Exploration">000156</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We report the formation and characterization of hybrid pn-junction solar cells based on a layer of copper diffused silver indium disulfide (AgInS2@Cu) nanoparticles and another layer of copper phthalocyanine (CuPc) molecules. With copper diffusion in the nanocrystals, their optical absorption and hence the activity of the hybrid pn-junction solar cells was extended towards the near-IR region. To decrease the particle-to-particle separation for improved carrier transport through the inorganic layer, we replaced the long-chain ligands of copper-diffused nanocrystals in each monolayer with short-ones. Under illumination, the hybrid pn-junctions yielded a higher short-circuit current as compared to the combined contribution of the Schottky junctions based on the components. A wider depletion region at the interface between the two active layers in the pn-junction device as compared to that of the Schottky junctions has been considered to analyze the results. Capacitance-voltage characteristics under a dark condition supported such a hypothesis. We also determined the width of the depletion region in the two layers separately so that a pn-junction could be formed with a tailored thickness of the two materials. Such a "fully-depleted" device resulted in an improved photovoltaic performance, primarily due to lessening of the internal resistance of the hybrid pn-junction solar cells.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Process"><PMID Version="1">24452695</PMID><DateCreated><Year>2014</Year><Month>02</Month><Day>05</Day></DateCreated><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1463-9084</ISSN><JournalIssue CitedMedium="Internet"><Volume>16</Volume><Issue>9</Issue><PubDate><Year>2014</Year><Month>Mar</Month><Day>7</Day></PubDate></JournalIssue><Title>Physical chemistry chemical physics : PCCP</Title><ISOAbbreviation>Phys Chem Chem Phys</ISOAbbreviation></Journal><ArticleTitle>Hybrid pn-junction solar cells based on layers of inorganic nanocrystals and organic semiconductors: optimization of layer thickness by considering the width of the depletion region.</ArticleTitle><Pagination><MedlinePgn>4193-201</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1039/c3cp52227j</ELocationID><Abstract><AbstractText>We report the formation and characterization of hybrid pn-junction solar cells based on a layer of copper diffused silver indium disulfide (AgInS2@Cu) nanoparticles and another layer of copper phthalocyanine (CuPc) molecules. With copper diffusion in the nanocrystals, their optical absorption and hence the activity of the hybrid pn-junction solar cells was extended towards the near-IR region. To decrease the particle-to-particle separation for improved carrier transport through the inorganic layer, we replaced the long-chain ligands of copper-diffused nanocrystals in each monolayer with short-ones. Under illumination, the hybrid pn-junctions yielded a higher short-circuit current as compared to the combined contribution of the Schottky junctions based on the components. A wider depletion region at the interface between the two active layers in the pn-junction device as compared to that of the Schottky junctions has been considered to analyze the results. Capacitance-voltage characteristics under a dark condition supported such a hypothesis. We also determined the width of the depletion region in the two layers separately so that a pn-junction could be formed with a tailored thickness of the two materials. Such a "fully-depleted" device resulted in an improved photovoltaic performance, primarily due to lessening of the internal resistance of the hybrid pn-junction solar cells.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Saha</LastName><ForeName>Sudip K</ForeName><Initials>SK</Initials><Affiliation>Department of Solid State Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India. sspajp@iacs.res.in.</Affiliation></Author><Author ValidYN="Y"><LastName>Guchhait</LastName><ForeName>Asim</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Pal</LastName><ForeName>Amlan J</ForeName><Initials>AJ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Phys Chem Chem Phys</MedlineTA><NlmUniqueID>100888160</NlmUniqueID><ISSNLinking>1463-9076</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>1</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>1</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>1</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1039/c3cp52227j</ArticleId><ArticleId IdType="pubmed">24452695</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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