Spherical whispering‐gallery‐mode microresonators

A Chiasera, Y Dumeige, P Feron… - Laser & Photonics …, 2010‏ - Wiley Online Library
Whispering‐gallery modes (WGM) on a spherical surface were first described by Lord
Rayleigh at the beginning of the last century, but only after the invention of laser did they …

Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: Implications for lasing and solar energy conversion

VI Klimov - The Journal of Physical Chemistry B, 2006‏ - ACS Publications
One consequence of strong spatial confinement of electronic wave functions in ultrasmall
semiconductor nanocrystals is a great enhancement of carrier− carrier interactions, which …

Designer polymer–quantum dot architectures

N Tomczak, D Jańczewski, M Han… - Progress in Polymer …, 2009‏ - Elsevier
Quantum dots (QDs) are nanocrystals made of semiconductors, which exhibit intriguing
electronic transitions that resemble single atom behavior. Due to their unique, size-tunable …

A room temperature continuous-wave nanolaser using colloidal quantum wells

Z Yang, M Pelton, I Fedin, DV Talapin… - Nature communications, 2017‏ - nature.com
Colloidal semiconductor nanocrystals have emerged as promising active materials for
solution-processable optoelectronic and light-emitting devices. In particular, the …

Precipitation− redispersion of cerium oxide nanoparticles with poly (acrylic acid): Toward stable dispersions

A Sehgal, Y Lalatonne, JF Berret, M Morvan - Langmuir, 2005‏ - ACS Publications
We exploit a precipitation− redispersion mechanism for complexation of short chain
polyelectrolytes with cerium oxide nanoparticles to extend their stability ranges. As …

Incorporation of luminescent nanocrystals into monodisperse core–shell silica microspheres

Y Chan, JP Zimmer, M Stroh, JS Steckel… - Advanced …, 2004‏ - Wiley Online Library
Microspheres containing chromophores have been utilized in an extensive variety of
applications, including photonic crystals,[1, 2] biological labeling,[3, 4] and flow visualization …

Whispering‐gallery‐mode lasing from a semiconductor nanocrystal/microsphere resonator composite

PT Snee, Y Chan, DG Nocera… - Advanced …, 2005‏ - Wiley Online Library
Semiconductor nanocrystals (NCs) are attractive as lasing media given their photostability,
spectrally narrow gain profile, wide color tunability, and ease of chemical processing.[1±3] …

In-situ encapsulation of quantum dots into polymer microspheres

W Sheng, S Kim, J Lee, SW Kim, K Jensen… - Langmuir, 2006‏ - ACS Publications
We have incorporated fluorescent quantum dots (QDs) into polystyrene microspheres using
functionalized oligomeric phosphine (OP) ligands. We find that a uniform distribution of …

Microspheres including nanoparticles

YT Chan, JP Zimmer, MG Bawendi - US Patent 9,708,184, 2017‏ - Google Patents
(57) ABSTRACT A microparticle can include a central region and a peripheral region. The
peripheral region can include a nanoparticle, Such as a metal nanoparticle, a metal oxide …

Core/shell fluorescent magnetic silica-coated composite nanoparticles for bioconjugation

R He, X You, J Shao, F Gao, B Pan, D Cui - Nanotechnology, 2007‏ - iopscience.iop.org
A new class of highly fluorescent, photostable, and magnetic core/shell nanoparticles has
been synthesized from a reverse microemulsion method. The obtained bifunctional …