METHOD FOR SYNTHESIZING GOLD NANOPLATE

• Main Authors: HONMA HIDEO, KIMURA TOMOAKI, YAGYU HIROMASA, HAMAMOTO MAO
• Format: Patent
• Language: English; Japanese
• Published: 15.02.2024
• Subjects: CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; NANOTECHNOLOGY; PERFORMING OPERATIONS; POWDER METALLURGY; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; TRANSPORTING; WORKING METALLIC POWDER

To provide a method for synthesizing a gold nanoplate capable of stably synthesizing the gold nanoplate that exhibits a blue transparent color under normal temperature and pressure conditions, thereby improving a success rate of gold nanoplate synthesis and a yield rate.SOLUTION: In order to achieve the purpose, a method for synthesizing a gold nanoplate using two types of reducing agents in a solution containing gold ions is provided, including the steps of: preparing two solutions containing two types of reducing agents and a protective agent separately; preparing a solution containing an optimized combination of two types of reducing agents and a solution containing gold ions and a protective agent; and synthesizing the gold nanoplate by mixing the prepared solution and making it stand still.SELECTED DRAWING: Figure 1 【課題】本件発明は、常温・常圧の状態で、青い透過色を呈する金ナノプレートを安定して合成ができ、金ナノプレート合成の成功率、及び収率を向上させる金ナノプレートの合成方法の提供を目的とする。【解決手段】この目的を達成するため、金イオン含有溶液に２種類の還元剤を用いて金ナノプレートを合成する方法であって、２種類の還元剤と、保護剤とをそれぞれ別々に含有した各溶液を調製する工程と、２種類の還元剤の配合を最適化した溶液と金イオンと保護剤を含有した溶液をそれぞれ調製する工程と、調整した溶液を混合し、静置することで金ナノプレートを合成する工程とを含むことを特徴とする製造方法を採用する。【選択図】図１