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Ravirala Ramu on Muck Rack

Ravirala Ramu

As seen in: Color Research & Application, Chemistry World
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Articles

Tricopper cluster complex functionalized carbon electrode: A strategy to overcome the overpotential and the production of hydrogen peroxide in the oxygen reduction reaction - Thiyagarajan - 2018 - Angewandte Chemie International Edition - Wiley Online Lib

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By Ravirala Ramu, Sunney I. Chan, Steve Yu, Natarajan Thiyagarajan, Damodar Janmanchi, Yi-Fang Tsai, Wondemagegn Hailemichael Wanna, Jyh-Myng Zen
| Color Research & Application Verified
A study of the oxygen reduction reaction (ORR) on a screen printed carbon electrode surface mediated by the complex Cu?(7-N-Etppz(CH?OH)) dispersed on electrochemically reduced carbon black is described. Onset oxygen reduction potentials of ~0.92 V and ~0.77 V are observed at pH 13 and pH 7 vs. RHE, which are comparable to the best values reported for any synthetic Cu complex. Based on half wave potentials (E(1/2)), the corresponding overpotentials are ~0.42 V and ~0.68 V vs. RHE, respectively.
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Chemistry in confined space: A strategy for selective oxidation of hydrocarbons with high catalytic efficiencies and conversion yields under ambient conditions - Catalysis Science & Technology (RSC Publishing)

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By Chih-Cheng Liu, Sunney I. Chan, Chung-Yuan Mou, Ravirala Ramu
| Chemistry World Verified
Selective catalytic oxidation of hydrocarbons is challenging. Here, we show how this chemistry could be accomplished for cyclohexane (C H ) at room temperature with good turnover numbers, excellent catalytic efficiencies, high conversion yields and product selectivity, when the catalysis is mediated by a tricopper cluster complex immobilized in the nanochannels of mesoporous silica nanoparticles.
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