Search Results - "Pietryga, M"

Auger Recombination of Biexcitons and Negative and Positive Trions in Individual Quantum Dots by Park, Young-Shin, Bae, Wan Ki, Pietryga, Jeffrey M, Klimov, Victor I

“…Charged exciton states commonly occur both in spectroscopic studies of quantum dots (QDs) and during operation of QD-based devices. The extra charge added to…”
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Controlling the influence of Auger recombination on the performance of quantum-dot light-emitting diodes by Bae, Wan Ki, Park, Young-Shin, Lim, Jaehoon, Lee, Donggu, Padilha, Lazaro A., McDaniel, Hunter, Robel, Istvan, Lee, Changhee, Pietryga, Jeffrey M., Klimov, Victor I.

“…Development of light-emitting diodes (LEDs) based on colloidal quantum dots is driven by attractive properties of these fluorophores such as spectrally narrow,…”
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An integrated approach to realizing high-performance liquid-junction quantum dot sensitized solar cells by McDaniel, Hunter, Fuke, Nobuhiro, Makarov, Nikolay S., Pietryga, Jeffrey M., Klimov, Victor I.

“…Solution-processed semiconductor quantum dot solar cells offer a path towards both reduced fabrication cost and higher efficiency enabled by novel processes…”
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Controlled Alloying of the Core–Shell Interface in CdSe/CdS Quantum Dots for Suppression of Auger Recombination by Bae, Wan Ki, Padilha, Lazaro A, Park, Young-Shin, McDaniel, Hunter, Robel, Istvan, Pietryga, Jeffrey M, Klimov, Victor I

“…The influence of a CdSe x S1‑x interfacial alloyed layer on the photophysical properties of core/shell CdSe/CdS nanocrystal quantum dots (QDs) is investigated…”
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Phase-Transfer Ligand Exchange of Lead Chalcogenide Quantum Dots for Direct Deposition of Thick, Highly Conductive Films by Lin, Qianglu, Yun, Hyeong Jin, Liu, Wenyong, Song, Hyung-Jun, Makarov, Nikolay S, Isaienko, Oleksandr, Nakotte, Tom, Chen, Gen, Luo, Hongmei, Klimov, Victor I, Pietryga, Jeffrey M

“…The use of semiconductor nanocrystal quantum dots (QDs) in optoelectronic devices typically requires postsynthetic chemical surface treatments to enhance…”
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Effect of the Core/Shell Interface on Auger Recombination Evaluated by Single-Quantum-Dot Spectroscopy by Park, Young-Shin, Bae, Wan Ki, Padilha, Lazaro A, Pietryga, Jeffrey M, Klimov, Victor I

“…Previous single-particle spectroscopic studies of colloidal quantum dots have indicated a significant spread in biexciton lifetimes across an ensemble of…”
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New Aspects of Carrier Multiplication in Semiconductor Nanocrystals by McGuire, John A, Joo, Jin, Pietryga, Jeffrey M, Schaller, Richard D, Klimov, Victor I

“…One consequence of strong spatial confinement of electronic wave functions in semiconductor nanocrystals (NCs) is a significant enhancement in carrier−carrier…”
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Enhanced carrier multiplication in engineered quasi-type-II quantum dots by Cirloganu, Claudiu M., Padilha, Lazaro A., Lin, Qianglu, Makarov, Nikolay S., Velizhanin, Kirill A., Luo, Hongmei, Robel, Istvan, Pietryga, Jeffrey M., Klimov, Victor I.

“…One process limiting the performance of solar cells is rapid cooling (thermalization) of hot carriers generated by higher-energy solar photons. In principle,…”
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Carrier Multiplication in Semiconductor Nanocrystals: Influence of Size, Shape, and Composition by Padilha, Lazaro A, Stewart, John T, Sandberg, Richard L, Bae, Wan Ki, Koh, Weon-Kyu, Pietryga, Jeffrey M, Klimov, Victor I

“…During carrier multiplication (CM), also known as multiexciton generation (MEG), absorption of a single photon produces multiple electron-hole pairs, or…”
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Stoichiometry Control in Quantum Dots: A Viable Analog to Impurity Doping of Bulk Materials by Luther, Joseph M, Pietryga, Jeffrey M

“…A growing body of research indicates that the stoichiometry of compound semiconductor quantum dots (QDs) may offer control over the materials’ optoelectronic…”
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Effect of Air Exposure on Surface Properties, Electronic Structure, and Carrier Relaxation in PbSe Nanocrystals by Sykora, Milan, Koposov, Alexey Y, McGuire, John A, Schulze, Roland K, Tretiak, Olexandr, Pietryga, Jeffrey M, Klimov, Victor I

“…Effects of air exposure on surface properties, electronic structure, and carrier relaxation dynamics in colloidal PbSe nanocrystals (NCs) were studied using…”
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VP42.03: The role of ductus venosus blood flow velocities in first and second trimester of pregnancy in prediction of the fetal and neonatal condition by Sekielska‐Domanowska, M., Pietryga, M., Czuba, B., Dubiel, M.

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Aspect Ratio Dependence of Auger Recombination and Carrier Multiplication in PbSe Nanorods by Padilha, Lazaro A, Stewart, John T, Sandberg, Richard L, Bae, Wan Ki, Koh, Weon-Kyu, Pietryga, Jeffrey M, Klimov, Victor I

“…Nanomaterials with efficient carrier multiplication (CM), that is, generation of multiple electron–hole pairs by single photons, have been the object of…”
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A finite element framework for the evolution of bond strength in joining-by-forming processes by Bambach, M., Pietryga, M., Mikloweit, A., Hirt, G.

“…Joining-by-forming processes are widely used to permanently join two or more metals through plastic deformation. In the numerical simulation of…”
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Auger Up-Conversion of Low-Intensity Infrared Light in Engineered Quantum Dots by Makarov, Nikolay S, Lin, Qianglu, Pietryga, Jeffrey M, Robel, István, Klimov, Victor I

“…One source of efficiency losses in photovoltaic cells is their transparency toward solar photons with energies below the band gap of the absorbing layer. This…”
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Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene by Koh, Weon-kyu, Koposov, Alexey Y., Stewart, John T., Pal, Bhola N., Robel, Istvan, Pietryga, Jeffrey M., Klimov, Victor I.

“…Colloidal nanocrystals (NCs) of lead chalcogenides are a promising class of tunable infrared materials for applications in devices such as photodetectors and…”
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Generalized Synthesis of Hybrid Metal–Semiconductor Nanostructures Tunable from the Visible to the Infrared by Khanal, Bishnu P, Pandey, Anshu, Li, Liang, Lin, Qianglu, Bae, Wan Ki, Luo, Hongmei, Klimov, Victor I, Pietryga, Jeffrey M

“…Hybrid superstructures allow a convenient route to the development of materials with multiple functionalities (e.g., sensor, marker, conductor) out of…”
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Pushing the Band Gap Envelope:  Mid-Infrared Emitting Colloidal PbSe Quantum Dots by Pietryga, Jeffrey M, Schaller, Richard D, Werder, Donald, Stewart, Michael H, Klimov, Victor I, Hollingsworth, Jennifer A

“…Efficient mid-infrared sources are of considerable general interest for gas analysis, remote sensing, and atmospheric monitoring, but existing technologies are…”
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VP47.04: Serum visfatin as a metabolic biomarker in obese patients with gestational diabetes mellitus by Radzicka‐Mularczyk, S.A., Zaborowski, M.P., Pietryga, M., Brazert, J.

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Comparison of Carrier Multiplication Yields in PbS and PbSe Nanocrystals: The Role of Competing Energy-Loss Processes by Stewart, John T, Padilha, Lazaro A, Qazilbash, M. Mumtaz, Pietryga, Jeffrey M, Midgett, Aaron G, Luther, Joseph M, Beard, Matthew C, Nozik, Arthur J, Klimov, Victor I

“…Infrared band gap semiconductor nanocrystals are promising materials for exploring generation III photovoltaic concepts that rely on carrier multiplication or…”
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