A Novel Photodeposition Method in the Presence of Nitrate Ions for Loading of an Iridium Oxide Cocatalyst for Water Splitting
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概要
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IrO<SUB>2</SUB> cocatalysts for water splitting were photodeposited from aqueous solution of (NH<SUB>4</SUB>)<SUB>2</SUB>[IrCl<SUB>6</SUB>] or Na<SUB>3</SUB>[IrCl<SUB>6</SUB>] in the presence of nitrate ions on La-doped NaTaO<SUB>3</SUB> (denoted as NaTaO<SUB>3</SUB>:La) photocatalysts, while metallic iridium particles were deposited in the absence of nitrate ions. The IrO<SUB>2</SUB>-loaded NaTaO<SUB>3</SUB>:La showed the activity for water splitting 2.5 times higher than the nonloaded NaTaO<SUB>3</SUB>:La. In contrast, the steady activity was not obtained for the metallic iridium-loaded photocatalyst, because the back reaction quickly proceeded.
- 公益社団法人 日本化学会の論文
公益社団法人 日本化学会 | 論文
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