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Short-Wave Infrared Optoelectronics with Colloidal CdHgSe/ZnCdS Core/Shell Nanoplatelets.
ACS Photonics
January 2025
Photonic Nanomaterials, Istituto Italiano di Tecnologia, 16163 Genova, Italy.
Colloidal semiconductor nanocrystals (NCs) are an efficient and cost-effective class of nanomaterials for optoelectronic applications. Advancements in NC-based optoelectronic devices have resulted from progress in synthetic chemistry, adjustable surface properties, and optimized device architectures. Semiconductor nanoplatelets (NPLs) stand out among other NCs due to their precise growth control, yielding uniform thickness with submonolayer roughness.
View Article and Find Full Text PDF"Nano-In-Nano" Schottky Diodes Fabricated by Combining Self-Aligned Nanogap Patterning with Bottom-Up ZnO Nanowire Growth.
ACS Appl Electron Mater
January 2025
Electrical Engineering Division, Engineering Department, University of Cambridge, Cambridge CB3 0FA, U.K.
Nanoscale semiconductors offer significant advantages over their bulk semiconductor equivalents for electronic devices as a result of the ability to geometrically tune electronic properties, the absence of internal grain boundaries, and the very low absolute number of defects that are present in such small volumes of material. However, these advantages can only be realized if reliable contacts can be made to the nanoscale semiconductor using a scalable, low-cost process. Although there are many low-cost "bottom-up" techniques for directly growing nanomaterials, the fabrication of contacts at the nanoscale usually requires expensive and slow techniques like e-beam lithography that are also hard to scale to a level of throughput that is required for commercialization.
View Article and Find Full Text PDFSupramolecular Ni(II)-Selective Gel Assembly toward Construction of a Schottky Barrier Diode.
ACS Omega
January 2025
National Institute of Technology, Uttarakhand, Srinagar (Garhwal) 246174, India.
A mechanically stable and thermo-irreversible supramolecular Ni(II)-selective gel () has been developed by utilizing the N,O-donor Schiff base (E)-1-((4-(diethylamino)phenylimino)-methyl)naphthalen-2-ol () gelator and EtN in binary THF:CHOH (1:1) solutions at room temperature (rt). Metallogel has been characterized by spectral and analytical techniques, i.e.
View Article and Find Full Text PDFBlue light-emitting diode therapy for recurrent vulvovaginal candidiasis: a Brazilian report.
Lasers Med Sci
January 2025
University of Campinas, Campinas, Brazil.
Purpose: RVVC is defined as four or more episodes of candidiasis in a 12-month period. Conventional treatment is complex and often involves long-term medication use or multiple treatments. ABL therapy is a promising treatment option as it is acceptable to women and has only rare side effects.
View Article and Find Full Text PDFExciton Emission Enhancement in Two-Dimensional Monolayer Tungsten Disulfide on a Silicon Substrate via a Fabry-Pérot Microcavity.
Nano Lett
January 2025
CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China.
Exciton emitters in two-dimensional monolayer transition-metal dichalcogenides (TMDs) provide a boulevard for the emerging optoelectronic field, ranging from miniaturized light-emitting diodes to quantum emitters and optical communications. However, the low quantum efficiency from limited light-matter interactions and harmful substrate effects seriously hinders their applications. In this work, we achieve a ∼438-fold exciton photoluminescence enhancement by constructing a Fabry-Pérot cavity consisting of monolayer WS and a micron-scale hole on the SiO/Si substrate.
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