{"corpus_id":122042364,"paper_sha":"8dec081c5aaac8b09946970e200bf1c8f12af7a9","doi":"10.1364/JOSAB.14.001632","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2154043118,"dblp_id":null,"acl_id":null,"title":"Electronic structure and optical properties of PbS and PbSe quantum dots","year":1997,"publication_date":"1997-07-01","venue":"","journal":{"name":"Journal of The Optical Society of America B-optical Physics","pages":"1632-1646","volume":"14"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Materials Science","Physics"],"reference_count":30,"citation_count":639,"influential_citation_count":21,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"The electronic structure of spherical PbS and PbSe quantum dots is calculated with a four-band envelope-function formalism. This calculation accounts for both exciton energies and wave functions with the correct symmetry of the materials. The selection rules and the strength of the dipole transitions of lead-salt quantum dots are derived accounting for the symmetry of the band-edge Bloch functions of the lead salts. The calculated energies of the optically allowed exciton states are found to be in good agreement with experimental data. 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