Electronic Resource
10-Fold Quantum Yield Improvement of Ag2S Nanoparticles by Fine Compositional Tuning
| العنوان: | 10-Fold Quantum Yield Improvement of Ag2S Nanoparticles by Fine Compositional Tuning |
|---|---|
| المؤلفون: | Garma Pons, Santiago, Ortega Rodríguez, Alicia, Shen, Yingli, Zabala Gutiérrez, Irene, Santos, Harrison D. A., Torres Vera, Vivian Andrea, Ximedes, Erving, Villaverde Cantizano, Gonzalo, Lifante, José, Gerke, Christoph, Fernández Monsalve, Nuria, Gómez Calderón, Óscar, Melle Hernández, Sonia, Marqués Hueso, José, Méndez González, Diego, Laurenti, Marco, Jones, Callum M. S., López Romero, Juan Manuel, Contreras Cáceres, Rafael, Jaque García, Daniel, Rubio Retama, Benito Jorge |
| بيانات النشر: | ACS 2023-06-16T15:16:35Z |
| نوع الوثيقة: | Electronic Resource |
| مستخلص: | Ag2S semiconductor nanoparticles (NPs) are near-infrared luminescent probes with outstanding properties (good biocompatibility, optimum spectral operation range, and easy biofunctionalization) that make them ideal probes for in vivo imaging. Ag2S NPs have, indeed, made possible amazing challenges including in vivo brain imaging and advanced diagnosis of the cardiovascular system. Despite the continuous redesign of synthesis routes, the emission quantum yield (QY) of Ag2S NPs is typically below 0.2%. This leads to a low luminescent brightness that avoids their translation into the clinics. In this work, an innovative synthetic methodology that permits a 10-fold increment in the absolute QY from 0.2 up to 2.3% is presented. Such an increment in the QY is accompanied by an enlargement of photoluminescence lifetimes from 184 to 1200 ns. The optimized synthetic route presented here is based on a fine control over both the Ag core and the Ag/S ratio within the NPs. Such control reduces the density of structural defects and decreases the nonradiative pathways. In addition, we demonstrate that the superior performance of the Ag2S NPs allows for high-contrast in vivo bioimaging. . Unión Europea Ministerio de Economía, Comercio y Empresa (España) Comunidad de Madrid Universidad Complutense de Madrid/Banco de Santander Fundación para el Futuro de Colombia Colfuturo Sección Deptal. de Óptica (Óptica) Fac. de Óptica y Optometría TRUE pub |
| مصطلحات الفهرس: | 616-07, 539.2:620.1, 543.4, Ag2S/Ag, Nanoparticles, Fluorescence probes, Synthesis optmization, PL lifetime, NIR-II imaging, Óptica (Física), Óptica geométrica e instrumental, Técnicas de la imagen, 2209.19 Óptica Física, 2209.06 Óptica geométrica, journal article |
| URL: | NanoTBTech (801305) (MAT2017-83111R; MAT2016-75362-C3-1-R; RTI2018-094859-B-100; CTQ2016-76311) RENIM-CM (B2017/BMD-3867); 2018-T1/IND-10736 CT17/17- CT18/17 Ortega Rodríguez, A., Shen, Y., Zabala gutiérrez, I., et al. «10-Fold Quantum Yield Improvement of Ag 2 S Nanoparticles by Fine Compositional Tuning». ACS Applied Materials & Interfaces, vol. 12, n.o 11, marzo de 2020, pp. 12500-09. DOI.org (Crossref), https://doi.org/10.1021/acsami.9b22827. |
| الاتاحة: | Open access content. Open access content open access |
| ملاحظة: | application/pdf 1944-8244 English |
| Other Numbers: | ESRCM oai:docta.ucm.es:20.500.14352/6125 1944-8244 10.1021/acsami.9b22827 1944-8252 1450551738 |
| المصدر المساهم: | REPOSITORIO E-PRINTS UNIVERSIDAD COMPLU From OAIster®, provided by the OCLC Cooperative. |
| رقم الانضمام: | edsoai.on1450551738 |
| قاعدة البيانات: | OAIster |
| الوصف غير متاح. |