biostudies-literatureBera RGeneralitat de CatalunyaEuropean Research CouncilFundaci?n CellexFUNDACI? Privada MIR-PUIGAgencia Estatal de Investigaci?nHORIZON EUROPE Marie Sklodowska-Curie Actions13919-13926https://www.ebi.ac.uk/biostudies/studies/S-EPMC11544693biostudies-literatureUnknown24(44)Ag_<i>x</i>Se (<i>x</i> > 2) colloidal quantum dots (CQDs) have recently emerged as a promising environmentally friendly material contender for mid- and long-wave infrared optoelectronics, leveraging their intraband transition (1S_e-1P_e). However, multicarrier interactions in CQDs, particularly Auger recombination, have profound implications on the optoelectronic properties of the materials and their potential in device applications. Understanding the intraband excited-state dynamics in n-doped Ag_<i>x</i>Se is therefore essential for the assessment and successful implementation of this material platform in devices. We, herein, investigate the carrier dynamics of Ag_<i>x</i>Se in both solution and thin-film states using a femtosecond mid-iNano lettersIntraband Exciton Dynamics of n-Doped Silver Selenide Quantum Dots.PMC11544693101151468CEX2019-000910-S101002306Bera RKonstantatos GDosil MfalseIntraband Exciton Dynamics of n-Doped Silver Selenide Quantum Dots.Ag_<i>x</i>Se (<i>x</i> > 2) colloidal quantum dots (CQDs) have recently emerged as a promising environmentally friendly material contender for mid- and long-wave infrared optoelectronics, leveraging their intraband transition (1S_e-1P_e). However, multicarrier interactions in CQDs, particularly Auger recombination, have profound implications on the optoelectronic properties of the materials and their potential in device applications. Understanding the intraband excited-state dynamics in n-doped Ag_<i>x</i>Se is therefore essential for the assessment and successful implementation of this material platform in devices. We, herein, investigate the carrier dynamics of Ag_<i>x</i>Se in both solution and thin-film states using a femtosecond mid-i2024-01-01T00:00:00Z2024 Nov2025-04-04T14:56:39.745Z2025-04-04T14:56:39.745ZS-EPMC115446933946622410.1021/acs.nanolett.4c02659