J
Juan J. Diaz Leon
Researcher at University of California, Santa Cruz
Publications - 35
Citations - 1304
Juan J. Diaz Leon is an academic researcher from University of California, Santa Cruz. The author has contributed to research in topics: Thin film & Silicon. The author has an hindex of 8, co-authored 33 publications receiving 909 citations. Previous affiliations of Juan J. Diaz Leon include Lawrence Livermore National Laboratory.
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Journal ArticleDOI
Fully textured monolithic perovskite/silicon tandem solar cells with 25.2% power conversion efficiency.
Florent Sahli,Jérémie Werner,Brett A. Kamino,Matthias Bräuninger,Raphael Monnard,Bertrand Paviet-Salomon,Loris Barraud,Laura Ding,Juan J. Diaz Leon,Davide Sacchetto,Gianluca Cattaneo,Matthieu Despeisse,Mathieu Boccard,Sylvain Nicolay,Quentin Jeangros,Bjoern Niesen,Christophe Ballif +16 more
TL;DR: An optimized two-step deposition process allows the formation of uniform layers of metal halide perovskites on textured silicon layers, enabling tandem silicon/perovskite solar cells with improved optical design and efficiency.
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Perovskite/Perovskite/Silicon Monolithic Triple-Junction Solar Cells with a Fully Textured Design
Jérémie Werner,Florent Sahli,Fan Fu,Juan J. Diaz Leon,Arnaud Walter,Brett A. Kamino,Bjoern Niesen,Sylvain Nicolay,Quentin Jeangros,Christophe Ballif +9 more
TL;DR: In this article, the perovskite absorbers composition and recombination junctions were modified to make them compatible with subsequent fabrication steps, and triple-junction devices with open-circuit voltage up to 2.69 V were realized.
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Low-Temperature Screen-Printed Metallization for the Scale-Up of Two-Terminal Perovskite–Silicon Tandems
Brett A. Kamino,Bertrand Paviet-Salomon,Soo-Jin Moon,Nicolas Badel,Jacques Levrat,Gabriel Christmann,Arnaud Walter,Antonin Faes,Laura Ding,Juan J. Diaz Leon,Adriana Paracchino,Matthieu Despeisse,Christophe Ballif,Sylvain Nicolay +13 more
TL;DR: In this article, a low-temperature silver paste applied by a screen-printing process can be used for the front metal grid of two-terminal perovskite-silicon tandem structures.
Journal ArticleDOI
Reflectometry–Ellipsometry Reveals Thickness, Growth Rate, and Phase Composition in Oxidation of Copper
Juan J. Diaz Leon,David M. Fryauf,Robert D. Cormia,Minxian Max Zhang,Kathryn Samuels,R. Stanley Williams,Nobuhiko P. Kobayashi +6 more
TL;DR: It appears that extended surface characteristics and preferential crystalline orientation of as-deposited polycrystalline copper films control the growth kinetics of the copper oxide film.
Journal ArticleDOI
A niobium oxide-tantalum oxide selector-memristor self-aligned nanostack
TL;DR: In this article, a self-aligned assembly of a single nanometer-scale device that contains both a selector and a memristor is presented, where the two components are vertically assembled via a selfaligned fabrication process combined with electroforming.