Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study

Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study

Two series of new mononuclear ruthenium complexes with hydrophobic or hydrophilic ligands [Ru(bda)L2] and [Ru(pdc)L3] (H2bda = 2,2'-bipyridine-6,6'-dicarboxylic acid; H2pdc = 2,6-pyridinedicarboxylic acid; L = pyridyl ligands) were synthesized and their electrochemical properties and catal...

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Main Author: MOTOKI, YOSHIDA
Format: Others
Language:English
Published: KTH, Skolan för kemivetenskap (CHE) 2015
Subjects:
Ruthenium Complex
Water Oxidation Catalyst
Electrochemistry
Oxygen Evolution
Pourbaix Diagram
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173843
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spelling ndltd-UPSALLA1-oai-DiVA.org-kth-1738432015-09-23T04:30:37ZSynthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic StudyengMOTOKI, YOSHIDAKTH, Skolan för kemivetenskap (CHE)2015Ruthenium ComplexWater Oxidation CatalystElectrochemistryOxygen EvolutionPourbaix DiagramTwo series of new mononuclear ruthenium complexes with hydrophobic or hydrophilic ligands [Ru(bda)L2] and [Ru(pdc)L3] (H2bda = 2,2'-bipyridine-6,6'-dicarboxylic acid; H2pdc = 2,6-pyridinedicarboxylic acid; L = pyridyl ligands) were synthesized and their electrochemical properties and catalytic activity toward water oxidation were examined. It was revealed that the hydrophobic ligands introduced to [Ru(bda)L2 ] improved the catalytic performance, ahnost twofold TON and TOF values were achieved compared to the [Ru(bda)] catalyst with hydrophilic ligands. The cyclic voltammogram of [Ru(bda)L2] exhibited marginal difference between the catalysts with hydrophobic ligands and hydrophilic ones, implying that the hydrophobic ligands promoted the catalytic activity by :lacilitating formation of a reaction intermediate dimer. Student thesisinfo:eu-repo/semantics/bachelorThesistexthttp://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173843application/pdfinfo:eu-repo/semantics/openAccess
collection NDLTD
language English
format Others
sources NDLTD
topic Ruthenium Complex
Water Oxidation Catalyst
Electrochemistry
Oxygen Evolution
Pourbaix Diagram
spellingShingle Ruthenium Complex
Water Oxidation Catalyst
Electrochemistry
Oxygen Evolution
Pourbaix Diagram
MOTOKI, YOSHIDA
Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
description Two series of new mononuclear ruthenium complexes with hydrophobic or hydrophilic ligands [Ru(bda)L2] and [Ru(pdc)L3] (H2bda = 2,2'-bipyridine-6,6'-dicarboxylic acid; H2pdc = 2,6-pyridinedicarboxylic acid; L = pyridyl ligands) were synthesized and their electrochemical properties and catalytic activity toward water oxidation were examined. It was revealed that the hydrophobic ligands introduced to [Ru(bda)L2 ] improved the catalytic performance, ahnost twofold TON and TOF values were achieved compared to the [Ru(bda)] catalyst with hydrophilic ligands. The cyclic voltammogram of [Ru(bda)L2] exhibited marginal difference between the catalysts with hydrophobic ligands and hydrophilic ones, implying that the hydrophobic ligands promoted the catalytic activity by :lacilitating formation of a reaction intermediate dimer.
author MOTOKI, YOSHIDA
author_facet MOTOKI, YOSHIDA
author_sort MOTOKI, YOSHIDA
title Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
title_short Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
title_full Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
title_fullStr Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
title_full_unstemmed Synthesis of Ruthenium-based Water Oxidation Catalysts and Mechanistic Study
title_sort synthesis of ruthenium-based water oxidation catalysts and mechanistic study
publisher KTH, Skolan för kemivetenskap (CHE)
publishDate 2015
url http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173843
work_keys_str_mv AT motokiyoshida synthesisofrutheniumbasedwateroxidationcatalystsandmechanisticstudy
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