Size-tunable infrared (1000–1600 nm) electroluminescence from PbS quantum-dot nanocrystals in a semiconducting polymer

…, M Tzolov, GD Scholes, EH Sargent - Applied physics …, 2003 - pubs.aip.org
Nanocomposites consisting of PbS nanocrystals in a conjugated polymer matrix were fabricated.
We report results of photo- and electroluminescence across the range of 1000 to 1600 …

Quantum dots in a metallopolymer host: studies of composites of polyferrocenes and CdSe nanocrystals

…, I Manners, EH Sargent, GD Scholes - Journal of Materials …, 2003 - pubs.rsc.org
The photoluminescence (PL) of composite materials based on ferrocene-based organometallic
polymers and CdSe nanocrystals (nc-CdSe) has been investigated in solution and in thin …

Optical control over photoconductivity in polyferrocenylsilane films

M Tzolov, PW Cyr, EH Sargent… - The Journal of chemical …, 2004 - pubs.aip.org
We report the study and elucidate the origin of the photoconductivity of polyferrocenylsilanes
achieved through photooxidation performed by ultraviolet irradiation in the presence of …

Highly luminescent lead sulfide nanocrystals in organic solvents and water through ligand exchange with poly (acrylic acid)

…, S Hinds, V Sukhovatkin, EH Sargent, GD Scholes… - Langmuir, 2008 - ACS Publications
… High-quality PbS colloidal quantum dots were prepared as reported by Hines and Scholes.
(8) We used a combination of transmission electron microscopy (TEM) and dynamic light …

Time-resolved photoluminescence spectroscopy of ligand-capped PbS nanocrystals

JH Warner, E Thomsen, AR Watt… - …, 2004 - iopscience.iop.org
… [21] Hines MA and Scholes GD 2003 Adv. Mater. 15 1844 [22] Chang TW … 84 4295 [23]
Bakueva L, Musikhin S, Hines MA, Chang TW F, Tzolov M, Scholes GD and Sargent EH 2003

Synthesis and optical properties of thiol-stabilized PbS nanocrystals

…, S Musikhin, S Cauchi, V Sukhovatkin, EH Sargent… - Langmuir, 2005 - ACS Publications
Thiol-capped water-soluble PbS nanocrystals (NCs) stabilized with 1-thioglycerol,
dithioglycerol, or a mixture of 1-thioglycerol/dithioglycerol (TGL/DTG) were prepared via one-stage …

Colloidal PbS nanocrystals with size‐tunable near‐infrared emission: observation of post‐synthesis self‐narrowing of the particle size distribution

MA Hines, GD Scholes - Advanced materials, 2003 - Wiley Online Library
Sargent for generous provision of his facilities. … Schuetz and F. Meiser for assistance
with electron microscopy measurements, I. Radtchenko for confocal microscopy, and N. …

Efficient excitation transfer from polymer to nanocrystals

…, L Levina, MA Hines, PW Cyr, EH Sargent - Applied Physics …, 2004 - pubs.aip.org
We quantify experimentally the efficiency of excitation transfer from a semiconducting polymer
matrix to quantum dot nanocrystals. We study 5±0.5 nm PbS nanocrystals embedded in …

Solar cells, photodetectors, and optical sources from infrared colloidal quantum dots

EH Sargent - Advanced Materials, 2008 - Wiley Online Library
Optoelectronic devices made via spin‐coating of soft materials onto an arbitrary substrate
enable ready integration, low cost, and physical flexibility. The use of solution‐processed …

PbS quantum dots with stable efficient luminescence in the near‐IR spectral range

…, S Musikhin, XS Zhao, EH Sargent… - Advanced …, 2004 - Wiley Online Library
The most desirable features of PbS nanocrystal (NC) synthesis are demonstrated in a new
one‐stage route: Aqueous synthesis to enable compatibility with biological assays and …