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ISSN 1998-9539

pH-Dependent Electrochemically Catalyzed Oxygen Reduction Behaviors of o-Substituted Co(III) Corroles

Wei Tang,a Yuanyuan Qiu,b Xiaonan Li,a@1 Rodah C. Soy,c John Mack,c@3 Tebello Nyokong,c and Xu Liangb@2

aDepartment of Children Health Care, Nanjing Children’s Hospital, Nanjing Medical University, 210008 Nanjing, PR China

bSchool of Chemistry and Chemical Engineering, Jiangsu University, 212013 Zhenjiang, PR China

cInstitute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, 6140 Makhanda, South Africa

@1Corresponding author E-mail: xiaonan6189@163.com

@2Corresponding author E-mail: Liangxu@ujs.edu.cn

@3Corresponding author E-mail: j.mack@ru.ac.za

 

Herein, a series of three o-substituted Co(III) corroles with electron-donating/withdrawing moieties have been prepared and fully characterized. The different functional substituents at o-position of meso-phenyl rings results in tunable local environment, and unusual pH-dependent electrochemically catalyzed oxygen reduction behaviors were clearly observed.

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