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Showing 1 to 12 of 47 entries
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Covellite CuS nanocrystals: realizing rapid microwave-assisted synthesis in air and unravelling the disappearance of their plasmon resonance after coupling with carbon nanotubes.

Nanoscale

Kim MR, Hafez HA, Chai X, Besteiro LV, Tan L, Ozaki T, Govorov AO, Izquierdo R, Ma D.
PMID: 27304092
Nanoscale. 2016 Jul 14;8(26):12946-57. doi: 10.1039/c6nr03426h. Epub 2016 Jun 15.

Semiconductor nanocrystals that show plasmonic resonance represent an emerging class of highly promising plasmonic materials with potential applications in diverse fields, such as sensing and optical and optoelectronic devices. We report a new approach to synthesizing homogeneous covellite CuS...

Broadband Absorbing Exciton-Plasmon Metafluids with Narrow Transparency Windows.

Nano letters

Yang J, Kramer NJ, Schramke KS, Wheeler LM, Besteiro LV, Hogan CJ, Govorov AO, Kortshagen UR.
PMID: 26808215
Nano Lett. 2016 Feb 10;16(2):1472-7. doi: 10.1021/acs.nanolett.5b05142. Epub 2016 Jan 29.

Optical metafluids that consist of colloidal solutions of plasmonic and/or excitonic nanomaterials may play important roles as functional working fluids or as means for producing solid metamaterial coatings. The concept of a metafluid employed here is based on the...

Generation of hot electrons in nanostructures incorporating conventional and unconventional plasmonic materials.

Faraday discussions

Liu T, Besteiro LV, Wang Z, Govorov AO.
PMID: 30830140
Faraday Discuss. 2019 May 01;214:199-213. doi: 10.1039/c8fd00145f. Epub 2019 Mar 04.

The generation of energetic electrons is an effect occurring in any plasmonic nanostructure. However, the number of electrons with high energies generated optically in a plasmonic nanostructure can be relatively small. This is an intrinsic property of the collective...

Metamaterial perfect absorber with unabated size-independent absorption.

Optics express

Yu P, Besteiro LV, Wu J, Huang Y, Wang Y, Govorov AO, Wang Z.
PMID: 30119357
Opt Express. 2018 Aug 06;26(16):20471-20480. doi: 10.1364/OE.26.020471.

Metamaterial absorbers open a new door for the design of optical harvesting devices ranging from the microwave to optical regimes. The top resonator in these structures is critical for the function of metamaterial absorbers. The resonant frequency, bandwidth, and...

Spectrally Resolved Ultrafast Exciton Transfer in Mixed Perovskite Quantum Wells.

The journal of physical chemistry letters

Proppe AH, Elkins MH, Voznyy O, Pensack RD, Zapata F, Besteiro LV, Quan LN, Quintero-Bermudez R, Todorovic P, Kelley SO, Govorov AO, Gray SK, Infante I, Sargent EH, Scholes GD.
PMID: 30630317
J Phys Chem Lett. 2019 Feb 07;10(3):419-426. doi: 10.1021/acs.jpclett.9b00018. Epub 2019 Jan 14.

Solution-processed perovskite quantum wells have been used to fabricate increasingly efficient and stable optoelectronic devices. Little is known about the dynamics of photogenerated excitons in perovskite quantum wells within the first few hundred femtoseconds-a crucial time scale on which...

Manipulating the Optoelectronic Properties of Quasi-type II CuInS.

ACS applied materials & interfaces

Wang C, Tong X, Wang W, Xu JY, Besteiro LV, Channa AI, Lin F, Wu J, Wang Q, Govorov AO, Vomiero A, Wang ZM.
PMID: 32805789
ACS Appl Mater Interfaces. 2020 Aug 12;12(32):36277-36286. doi: 10.1021/acsami.0c11651. Epub 2020 Jul 31.

Colloidal core/shell heterostructured quantum dots (QDs) possessing quasi-type II band structure have demonstrated effective surface passivation and prolonged exciton lifetime, leading to enhanced charge separation/transfer efficiencies that are promising for photovoltaic device applications. Herein, we synthesized CuInS

The pathogenicity and virulence of .

Virulence

Sanchez SG, Besteiro S.
PMID: 34895084
Virulence. 2021 Dec;12(1):3095-3114. doi: 10.1080/21505594.2021.2012346.

No abstract available.

Challenges in Plasmonic Catalysis.

ACS nano

Cortés E, Besteiro LV, Alabastri A, Baldi A, Tagliabue G, Demetriadou A, Narang P.
PMID: 33314905
ACS Nano. 2020 Dec 14; doi: 10.1021/acsnano.0c08773. Epub 2020 Dec 14.

The use of nanoplasmonics to control light and heat close to the thermodynamic limit enables exciting opportunities in the field of plasmonic catalysis. The decay of plasmonic excitations creates highly nonequilibrium distributions of hot carriers that can initiate or...

Terahertz three-dimensional monitoring of nanoparticle-assisted laser tissue soldering.

Biomedical optics express

Dong J, Breitenborn H, Piccoli R, Besteiro LV, You P, Caraffini D, Wang ZM, Govorov AO, Naccache R, Vetrone F, Razzari L, Morandotti R.
PMID: 32341881
Biomed Opt Express. 2020 Mar 27;11(4):2254-2267. doi: 10.1364/BOE.389561. eCollection 2020 Apr 01.

In view of minimally-invasive clinical interventions, laser tissue soldering assisted by plasmonic nanoparticles is emerging as an appealing concept in surgical medicine, holding the promise of surgeries without sutures. Rigorous monitoring of the plasmonically-heated solder and the underlying tissue...

Distance Dependence of Förster Resonance Energy Transfer Rates in 2D Perovskite Quantum Wells via Control of Organic Spacer Length.

Journal of the American Chemical Society

Panuganti S, Besteiro LV, Vasileiadou ES, Hoffman JM, Govorov AO, Gray SK, Kanatzidis MG, Schaller RD.
PMID: 33688726
J Am Chem Soc. 2021 Mar 24;143(11):4244-4252. doi: 10.1021/jacs.0c12441. Epub 2021 Mar 10.

Two-dimensional (2D) semiconductors are attractive candidates for a variety of optoelectronic applications owing to the unique electronic properties that arise from quantum confinement along a single dimension. Incorporating nonradiative mechanisms that enable directed migration of bound charge carriers, such...

Plasmonic Chirality and Circular Dichroism in Bioassembled and Nonbiological Systems: Theoretical Background and Recent Progress.

Advanced materials (Deerfield Beach, Fla.)

Kong XT, Besteiro LV, Wang Z, Govorov AO.
PMID: 30260543
Adv Mater. 2020 Oct;32(41):e1801790. doi: 10.1002/adma.201801790. Epub 2018 Sep 09.

Nature is chiral, thus chirality is a key concept required to understand a multitude of systems in physics, chemistry, and biology. The field of optics offers valuable tools to probe the chirality of nanosystems, including the measurement of circular...

Hybrid Plasmonic-Aerogel Materials as Optical Superheaters with Engineered Resonances.

Angewandte Chemie (International ed. in English)

Klemmed B, Besteiro LV, Benad A, Georgi M, Wang Z, Govorov A, Eychmüller A.
PMID: 31638732
Angew Chem Int Ed Engl. 2020 Jan 20;59(4):1696-1702. doi: 10.1002/anie.201913022. Epub 2019 Dec 13.

Solar radiation is a versatile source of energy, convertible to different forms of power. A direct path to exploit it is the generation of heat, for applications including passive building heating, but it can also drive secondary energy-conversion steps....

Showing 1 to 12 of 47 entries