Synthesis of (6-(1,4,7,10-Tetraaza-12-cyclotridecyl)-1,4,8,11-tetraazacyclotetradecane)dinickel(II) Perchlorate and Its Electrocatalytic Property for Water Reduction.
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概要
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A new bimacrocyclic ligand, in which 13- and 14-membered rings are linked together by a C–C bond, 6-(1,4,7,10-tetraaza-12-cyclotridecyl)-1,4,8,11-tetraazacyclotetradecane (L<SUP>13−14</SUP>), and its dinickel(II) complex, [Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>13−14</SUP>]<SUP>4+</SUP>, were synthesized. The absorption spectra and cyclic voltammograms of [Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>13−14</SUP>]<SUP>4+</SUP> showed that it has properties of both the 13- and 14-membered rings. Cyclic voltammetry and controlled-potential electrolysis showed that [Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>13−14</SUP>]<SUP>4+</SUP> can serve as an electrocatalyst for water reduction to produce H<SUB>2</SUB>. The electrocatalytic efficiency for H<SUB>2</SUB> produclion at −1.5 V was found to be as follows: [Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>14−14</SUP>]<SUP>4+</SUP> (L<SUP>14−14</SUP>: 6,6′-bi(1,4,8,11-tetraazacyclotetradecane))>[Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>13−14</SUP>]<SUP>4+</SUP>≈[Ni<SUP>II</SUP>L<SUP>14</SUP>]<SUP>2+</SUP> (L<SUP>14</SUP>: 1,4,8,11 -tetraazacyclotetradecane)>>[Ni<SUP>II</SUP><SUB>2</SUB>L<SUP>13−13</SUP>]<SUP>4+</SUP> (L<SUP>13−13</SUP>: 12,12′-bi(1,4,7,10-tetraazacyclotridecane)).
- 公益社団法人 日本化学会の論文
著者
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Mochizuki Katsura
Department Of Chemistry Faclty Of Science And Graduate School Of Integrated Science Yokohama City Un
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Sakakibara Tohru
Department Of Chemistry Yokohama City University
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Suwabe Masaaki
Department of Chemistry, Faculty of Science, Tohoku University
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Suwabe Masaaki
Department of Chemistry, Yokohama City University
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Gotoh Hajime
Department of Chemistry, Yokohama City University
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