{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Friedman HC"],"funding":["NIBIB NIH HHS","National Institutes of Health","University of California, Los Angeles","National Science Foundation Division of Chemistry","NIH HHS","National Institute of Biomedical Imaging and Bioengineering","National Science Foundation"],"pagination":["3359-3376"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8664240"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["7(12)"],"pubmed_abstract":["Rational design of bright near and shortwave infrared (NIR: 700-1000 SWIR: 1000- 2000 nm) emitters remains an open question with applications spanning imaging and photonics. Combining experiment and theory, we derive an energy gap quantum yield master equation (EQME), describing the fundamental limits in SWIR quantum yields (<i>ϕ</i> <sub><i>F</i></sub> ) for organic chromophores. Evaluating the photophysics of 21 polymethine NIR/SWIR chromophores to parameterize the EQME, we explain the precipitous decline of <i>ϕ</i> <sub><i>F</i></sub> past 900 nm through decreasing radiative rates and increasing nonradiative losses via high frequency vibrations relating to the energy gap. Using the EQME we develop an energy gap independent <i>ϕ</i> <sub><i>F</i></sub> NIR/SWIR chromophore comparison me"],"journal":["Chem"],"pubmed_title":["Establishing design principles for emissive organic SWIR chromophores from energy gap laws."],"pmcid":["PMC8664240"],"funding_grant_id":["1S10OD016387","R01 EB027172","CHE-1048804","1R01EB027172","CHE-1905242","S10 OD016387","CHE-1945572"],"pubmed_authors":["Friedman HC","Caram JR","Jia S","Sletten EM","Cosco ED","Atallah TL"],"additional_accession":[]},"is_claimable":false,"name":"Establishing design principles for emissive organic SWIR chromophores from energy gap laws.","description":"Rational design of bright near and shortwave infrared (NIR: 700-1000 SWIR: 1000- 2000 nm) emitters remains an open question with applications spanning imaging and photonics. Combining experiment and theory, we derive an energy gap quantum yield master equation (EQME), describing the fundamental limits in SWIR quantum yields (<i>ϕ</i> <sub><i>F</i></sub> ) for organic chromophores. Evaluating the photophysics of 21 polymethine NIR/SWIR chromophores to parameterize the EQME, we explain the precipitous decline of <i>ϕ</i> <sub><i>F</i></sub> past 900 nm through decreasing radiative rates and increasing nonradiative losses via high frequency vibrations relating to the energy gap. Using the EQME we develop an energy gap independent <i>ϕ</i> <sub><i>F</i></sub> NIR/SWIR chromophore comparison me","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Dec","modification":"2026-06-04T04:05:50.673Z","creation":"2025-04-19T13:32:27.042Z"},"accession":"S-EPMC8664240","cross_references":{"pubmed":["34901520"],"doi":["10.1016/j.chempr.2021.09.001"]}}