tag: nanoparticles

Chemoselective Surface Trap-Mediated Metal Growth on Semiconductor Nanocrystals
By Technical Paper Link - 07 Feb, 2022 - Comments: 0

Abstract "We present a highly chemoselective deposition of precious metals on semiconductor nanoheterostructures with a strong preference for cadmium and zinc telluride over the lighter chalcogenides. The selectivity is explained by p-type surface traps on the tellurides, compared to n-type defects of the homologous sulfides and selenides, and can be turned off by passivating the particle su... » read more

Yield Enhancement Technology: Efforts To Suppress Nanosized Particles In Semiconductor Production Equipment
By TEL - 18 Nov, 2020 - Comments: 0

The currently dominant semiconductor process size is in the range between a few and a few dozen nanometers. That means if a nanosized particle smaller than a virus (hereinafter simply “particle”) is present on a silicon substrate, it could cause a defect in the semiconductor device, lowering the production yield (i.e., the percentage of good chips produced in a manufacturing process). Preve... » read more

System Bits: Jan. 29
By Jeff Dorsch - 29 Jan, 2019 - Comments: 0

Quantum physics make hybrid semiconductors glow Hybrid semiconducting materials have quantum properties capable of bringing significant changes to light-emitting diode lighting and monitors, along with photovoltaic solar cells, researchers at the Georgia Institute of Technology report. Physical chemists worked with halide organic-inorganic perovskite (HOIP), which combines a crystal lattice wi... » read more

Power/Performance Bits: Sept. 11
By Jesse Allen - 11 Sep, 2018 - Comments: 0

Non-toxic photoluminescent nanoparticles Researchers from Osaka University developed a way to improve display technologies using non-toxic light-emitting nanoparticles. In trying to replace cadmium and other toxic materials used in quantum dots, scientists have turned to non-toxic nanoparticles that emit light in an efficient manner by creating I–III–VI semiconductors, such as silver in... » read more

System Bits: Sept. 20
By Ann Mutschler - 20 Sep, 2016 - Comments: 0

Improving Torque Sensing In an advance that could bring new types of sensors and studies in quantum mechanics, Purdue University researchers have levitated a tiny nanodiamond particle with a laser in a vacuum chamber, using the technique for the first time to detect and measure its torsional vibration. The team said the experiment represents a nanoscale version of the torsion balance used i... » read more

Power/Performance Bits: May 3
By Jesse Allen - 02 May, 2016 - Comments: 0

Nanowire batteries University of California, Irvine researchers invented a nanowire-based battery material that can be recharged hundreds of thousands of times. Nanowires have long been sought as a battery material. However, these filaments are extremely fragile and don't hold up well to repeated discharging and recharging, or cycling. In a typical lithium-ion battery, they expand and gro... » read more

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