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2018 Fiscal Year Final Research Report

Characterization and design of heteropoly acid catalysts using aberration-corrected transmission scanning electron microscopy

Research Project

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Project/Area Number 16K06863
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Catalyst/Resource chemical process
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

Hiyoshi Norihito  国立研究開発法人産業技術総合研究所, 材料・化学領域, 主任研究員 (50415733)

Project Period (FY) 2016-04-01 – 2019-03-31
Keywordsヘテロポリ酸 / 電子顕微鏡 / 触媒 / ナノシート
Outline of Final Research Achievements

In this study, we succeeded in observing various heteropoly acid assemblies at the atomic level by aberration-corrected transmission scanning electron microscopy (STEM), and show that STEM can be used for characterization of solid heteropoly acid catalysts. In addition, to develop catalytic materials, we tried to control the arrangement of heteropoly acid molecules and succeeded in synthesizing novel Keggin-type heteropoly acid nanosheets. Furthermore, we succeeded in detailed structural analysis of the nanosheets using STEM.

Free Research Field

触媒化学

Academic Significance and Societal Importance of the Research Achievements

へテロポリ酸分子の直接観察が可能となったことにより、固体ヘテロポリ酸触媒のより詳細な構造評価が可能となった。これにより、高効率な固体ヘテロポリ酸触媒の開発が加速されると期待できる。また、電子顕微鏡による直接観察は、ナノ材料の構造評価に特に有効である。本研究の成果によって、ヘテロポリ酸分子の配列を制御した新規なナノ材料の開発が加速されると期待できる。

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Published: 2020-03-30  

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