CuNi sulphidation maximizes MOR activity by expanding the accessibility of active sites!

Roshini Arulraj; Karthik Eswaran; Sara Fidha C. M.; Rajini Murugesan; Silda Peters; Arthanareeswari Maruthapillai; Sethumathavan Vadivel; Rajendra Kumar Konidena; Tumpa Sadhukhan; Anantharaj Sengeni

doi:10.1039/D3CC05603A

CuNi sulphidation maximizes MOR activity by expanding the accessibility of active sites!†

Roshini Arulraj,‡^ab Karthik Eswaran,‡^ab Sara Fidha C. M.,^ab Rajini Murugesan,^b Silda Peters,^b Arthanareeswari Maruthapillai,^b Sethumathavan Vadivel,*^b Rajendra Kumar Konidena,*^b Tumpa Sadhukhan*^b and Anantharaj Sengeni

*^ac

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^a Laboratory for Electrocatalysis and Energy, Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu 602 203, India
E-mail: ananths@iitk.ac.in

^b Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu 602 203, India
E-mail: vadivels1@srmist.edu.in, rajendrk1@srmist.edu.in, tumpas@srmist.edu.in

^c Laboratory for Electrocatalysis and Energy, Department of Chemistry, Indian Institute of Technology, Kanpur, Uttar Pradesh 2018 016, India

Abstract

Sulphidation of a CuNi alloy of Cu : Ni ratio 81 : 19 led to an exponential activity enhancement in the alkaline methanol oxidation reaction (MOR) by four fold due to an order of magnitude increase in the number of active Cu and Ni sites and improved charge transfer properties.

Chemical Communications

CuNi sulphidation maximizes MOR activity by expanding the accessibility of active sites!†

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