Journal ArticleDOI
Colloidal PbS Nanocrystals with Size-Tunable Near-Infrared Emission: Observation of Post-Synthesis Self-Narrowing of the Particle Size Distribution
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This article is published in Advanced Materials.The article was published on 2003-11-04. It has received 1640 citations till now. The article focuses on the topics: Quantum dot.read more
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Prospects of Colloidal Nanocrystals for Electronic and Optoelectronic Applications
TL;DR: Nanocrystals (NCs) discussed in this Review are tiny crystals of metals, semiconductors, and magnetic material consisting of hundreds to a few thousand atoms each that are among the hottest research topics of the last decades.
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Structural diversity in binary nanoparticle superlattices
Elena V. Shevchenko,Dmitri V. Talapin,Dmitri V. Talapin,Nicholas A. Kotov,Stephen O'Brien,Christopher B. Murray +5 more
TL;DR: It is demonstrated that electrical charges on sterically stabilized nanoparticles determine B NSL stoichiometry; additional contributions from entropic, van der Waals, steric and dipolar forces stabilize the variety of BNSL structures.
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Solution-processed PbS quantum dot infrared photodetectors and photovoltaics
Steve Mcdonald,Gerasimos Konstantatos,Shiguo Zhang,Paul W. Cyr,Ethan J. D. Klem,Larissa Levina,Edward H. Sargent +6 more
TL;DR: Sittingizing conjugated polymers with infrared-active nanocrystal quantum dots provides a spectrally tunable means of accessing the infrared while maintaining the advantageous properties of polymers, and makes use of the wavelength tunability afforded by the nanocrystals to show photocurrent spectra tailored to three different regions of the infrared spectrum.
Journal ArticleDOI
Ultrasensitive solution-cast quantum dot photodetectors
Gerasimos Konstantatos,Ian A. Howard,Armin Fischer,Sjoerd Hoogland,Jason Paul Clifford,Ethan J. D. Klem,Larissa Levina,Edward H. Sargent +7 more
TL;DR: The tailored selection of absorption onset energy through the quantum size effect, combined with deliberate engineering of the sequence of nanoparticle fusing and surface trap functionalization, underlie the superior performance achieved in this readily fabricated family of devices.
Improved performance and stability in quantum dot solar cells through band alignment engineering
TL;DR: In this paper, a room-temperature solution-processed ZnO/PbS quantum dot solar cells with a certified efficiency of 8.55% is presented.