2023年10月20日 · Vitamin B12 (VB12) has been considered as a novel and highly effective catalyst for electrocatalytic reduction of CO 2 to produce CO in aqueous electrolyte, and …

2022年2月1日 · In this study, we developed a bioinspired electrocatalyst by rationally combining Fe-incorporated VB12 as a base component and graphene as a conductive support to enable …

High‐resolution XPS spectra of (a) N 1s of the FePc (3)VB12 (1)/NPC (900), (b) the contents of different nitrogen species relative to carbon atom for the FePc/NPC (900), FePc (3)VB12 …

2018年3月1日 · To test this hypothesis, we synthetized a CoPc axially coordinated to pyridine anchored to carbon nano-tubes (CoPc-Py-CNT). The Co centre is therefore coordinated to 5 N …

2003年5月1日 · The electronic structure and chemical bonding of vitamin B 12 (cyanocobalamin) and B 12-derivative (methylcobalamin) are studied by means of X-ray emission (XES) and …

Download scientific diagram | XPS spectra for pyrolyzed CNF:BM:VB12 = 1:9:0 (blue) and pyrolyzed CNF:BM:VB12 = 1:9:1 (red): a) wide‐scan XPS spectra and b–f) narrow‐scan XPS …

This study is focused on the synthesis of heart/dumbbell-like CuO nanostructures using a low-temperature aqueous chemical growth method with vitamin B12 as a soft template and growth …

X-ray photoelectron spectroscopy (XPS) is a powerful surface analysis tool that is widely used to study these energy storage materials due to its capability to identify, quantify, and image the …

Its organic form, found in vitamin B12, plays a key role in nerve cell function and neurotransmitter production. Therefore, it is important to keep the concentration of metal ions at appropriate …

2018年8月16日 · Herein, we report a simple but effective method to prepare a bimetallic nitrogen-doped carbon electrocatalyst based pyrolyzed Fe-doped VB12 supported carbon black (Fe …