PRODUCTION METHOD OF METAL-CYANO COMPLEX NANOPARTICLE

PROBLEM TO BE SOLVED: To provide a simple production method of zinc-containing metal-cyano complex nanoparticles of which the characteristics necessary for use as an electrochromic material are improved and especially the durability (cycle resistance) in repeatedly causing electrochemical reactions...

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Bibliographische Detailangaben
Hauptverfasser: KAWAMOTO TORU, TAKAHASHI AKIRA, WATANABE HIROSHI, SUGIYAMA YUTAKA, KIDO GENTOKU, YOSHINO KAZUNORI, IWAI RYOTA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a simple production method of zinc-containing metal-cyano complex nanoparticles of which the characteristics necessary for use as an electrochromic material are improved and especially the durability (cycle resistance) in repeatedly causing electrochemical reactions is high.SOLUTION: A production method of nanoparticles including a metal-cyano complex crystal having a metal atom Mother than zinc and zinc includes: a step to obtain an aqueous solution (I) by mixing an aqueous solution formed by mixing, a metal-cyano complex anion having the metal atom Min the center thereof and a compound formed of a counter ion or a solvate thereof, and an ammonium salt; and a step to mix the aqueous solution (I) and an aqueous solution (II) containing a zinc cation.SELECTED DRAWING: None 【課題】エレクトロクロミック材料として用いるために必要な特性、特に、電気化学反応を繰り返し起こす際の耐久性(サイクル耐性)が高い亜鉛含有金属シアノ錯体ナノ粒子の簡便な製造方法を提供する。【解決手段】亜鉛以外の金属原子MAおよび亜鉛を有する金属シアノ錯体結晶を含むナノ粒子の製造方法であって、金属原子MAを中心とする金属シアノ錯体陰イオンおよび対イオンからなる化合物またはその溶媒和物を混合した水溶液と、アンモニウム塩とを混合して水溶液(I)を得る工程、および前記水溶液(I)と、亜鉛陽イオンを含有する水溶液(II)とを混合する工程を含む、前記方法。【選択図】なし