Novel Materials for Next-Generation LEDs: Embedding Light-emitting Quantum Dots in a Perovskite Matrix

Title: Highly efficient quantum dot near-infrared light-emitting diodes Authors: Xiwen Gong, Zhenyu Yang, Grant Walters, Riccardo Comin, Zhijun Ning, Eric Beauregard, Valerio Adinolfi, Oleksandr Voznyy and Edward H. Sargent Publication Info: Nature Photonics, 2016, 10 (4), pp 253-257 DOI: 10.1038/nphoton.2016.11 Light-emitting diodes (LEDs) harness the chemical properties of electroluminescence to bring cheaper, more efficient, and... Continue Reading →

Quantifying the Effects of Individual Nanoparticles

Title: Electrocatalytic Activity of Individual Pt Nanoparticles Studied by Nanoscale Scanning Electrochemical Microscopy Authors: Jiyeon Kim, Christophe Renault, Nikoloz Nioradze, Netzahualcóyotl Arroyo-Currás, Kevin C. Leonard, and Allen J. Bard* Publication Info: J. Am. Chem. Soc., 2016, 138 (27), pp 8560–8568 DOI: 10.1021/jacs.6b03980 The mere mention of the word “nanoparticle” elicits awe and excitement in people... Continue Reading →

Stacks on stacks on stacks

Finding ways to create order is a common theme in science. Here researchers are trying to carefully arrange chromophores in order to create better solar cells (among other potential uses). In particular, these chemists are trying to make porphyrins stand up on a surface creating stacks of porphyrins that are a well defined distance from each other and from the surface they are attached to.

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