18554068. METHOD FOR PRODUCING SEMICONDUCTOR NANOPARTICLES simplified abstract (NICHIA CORPORATION)
Contents
METHOD FOR PRODUCING SEMICONDUCTOR NANOPARTICLES
Organization Name
Inventor(s)
Tsukasa Torimoto of Nagoya-shi (JP)
Tatsuya Kameyama of Nagoya-shi (JP)
Susumu Kuwabata of Suita-shi (JP)
Taro Uematsu of Suita-shi (JP)
Yohei Ikagawa of Naruto-shi (JP)
Daisuke Oyamatsu of Tokushima-shi (JP)
Tomoya Kubo of Tokushima-shi (JP)
METHOD FOR PRODUCING SEMICONDUCTOR NANOPARTICLES - A simplified explanation of the abstract
This abstract first appeared for US patent application 18554068 titled 'METHOD FOR PRODUCING SEMICONDUCTOR NANOPARTICLES
The method described in the patent application involves producing semiconductor nanoparticles with high-quality band-edge emission characteristics.
- The method starts by providing first semiconductor nanoparticles containing elements M, M, and Z, where M is selected from Ag, Cu, Au, and alkali metals, and at least contains Ag, M is selected from Al, Ga, In, Tl, and at least contains In or Ga, and Z is selected from S, Se, Te.
- The first nanoparticles are then heat-treated with compounds containing Group 13 and Group 16 elements to obtain second semiconductor nanoparticles.
- The second nanoparticles are further heat-treated in the presence of a halide of a Group 13 element to obtain third semiconductor nanoparticles.
Potential Applications: - LED technology - Photovoltaic devices - Biological imaging
Problems Solved: - Enhancing band-edge emission purity - Improving internal quantum yield of nanoparticles
Benefits: - High-quality band-edge emission - Increased efficiency in various applications - Potential for new advancements in semiconductor technology
Commercial Applications: Title: Advanced Semiconductor Nanoparticles for High-Quality Emission Devices This technology can be utilized in the development of high-performance LED displays, efficient solar panels, and cutting-edge biomedical imaging devices. The market implications include improved energy efficiency, enhanced display quality, and advancements in medical diagnostics.
Questions about Semiconductor Nanoparticles: 1. How do semiconductor nanoparticles differ from traditional semiconductor materials? Semiconductor nanoparticles exhibit unique optical and electronic properties due to their small size, which can be advantageous in various applications such as LEDs and solar cells. 2. What are the key factors influencing the band-edge emission purity of semiconductor nanoparticles? The elements present in the nanoparticles, the heat treatment process, and the presence of specific compounds all play a crucial role in determining the band-edge emission purity.
Original Abstract Submitted
Provided is a method of producing semiconductor nanoparticles that exhibit band-edge emission and have excellent band-edge emission purity and internal quantum yield. The method includes: providing first semiconductor nanoparticles that contains a semiconductor containing an element M, an element M, and an element Z, where the element Mis at least one element selected from the group consisting of Ag, Cu, Au, and alkali metals, and contains at least Ag, the element Mis at least one element selected from the group consisting of Al, Ga, In, and Tl, and contains at least one of In or Ga, and the element Z contains at least one element selected from the group consisting of S, Se, and Te; heat-treating a mixture, which contains the first semiconductor nanoparticles, a compound containing a Group 13 element, and a compound containing a Group 16 element, to obtain second semiconductor nanoparticles; and heat-treating the second semiconductor nanoparticles in the presence of a halide of a Group 13 element to obtain third semiconductor nanoparticles.
