A low temperature hydrothermal synthesis of delafossite CuCoO2 as an efficient electrocatalyst for the oxygen evolution reaction in alkaline solutions†
Zijuan
Du, 
a
Dehua
Xiong,
*a
Santosh Kumar
Verma,
a
Baoshun
Liu,
a
Xiujian
Zhao,
a
Lifeng
Liu
b
and
Hong
Li
*a
a
Dehua
Xiong,
*a
Santosh Kumar
Verma,
a
Baoshun
Liu,
a
Xiujian
Zhao,
a
Lifeng
Liu
b
and
Hong
Li
*a
Abstract
Herein, we report the low temperature hydrothermal synthesis of delafossite CuCoO2 crystals at 100 °C. The structural, morphological and compositional characterization of CuCoO2 crystals was performed by powder X-ray diffraction (PXRD), field-emission scanning electron microscopy (FESEM) and X-ray photoelectron spectroscopy (XPS). Furthermore, the thermal stability of CuCoO2 in air and its electro-catalytic activity toward the oxygen evolution reaction (OER) have also been investigated.
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