Direct photocatalytic coupling of methanol to ethylene glycol (EG) is highly attractive. The first metal oxide photocatalyst, tantalum-based semiconductor, is reported for preferential activation of C-H bond within methanol to form hydroxymethyl radical ( CH2OH) and subsequent C-C coupling to EG. The nitrogen doped tantalum oxide (N-Ta2O5) photocatalyst is an environmentally friendly and highly stable candidate for photocatalytic coupling of methanol to EG.
The lithium sulfur (Li-S) battery is promising for next-generation energy storage technologies. However, lithium polysulfide shuttling, sluggish redox.
An intimate CuPd(100) interface was designed to lower the energy barriers of intermediate reaction (CO2 hydrogenation and C-C coupling) and improve the efficiency of C2 products. The optimal CuPd(100) interface catalyst exhibited a C2 Faradaic efficiency of 50.3%, which was 2.1 times higher than that of Cu catalyst (23.6%) at -1.4 VRHE in 0.1 M KHCO3
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