Direct photo-oxidation of methane to methanol over a mono-iron hydroxyl site

et al. 2022

Green Chem.

Section: Introductionmentioning

confidence: 99%

Targeted H₂O activation to manipulate the selective photocatalytic reduction of CO₂to CH₃OH over carbon nitride-supported cobalt sulfide

Huang

et al. 2022

Green Chem.

“…Nevertheless, a superior catalyst should possess a low desorption for CH 3 OH to avoid over-oxidation of CH 3 OH. 40 The desorption energy of CH 3 OH on Ni 1 /O 1 N 2 -BN was calculated to be 0.53 eV, lower than that on Cu 1 /O 1 N 2 -BN (0.75 eV) and Co 1 /G (0.76 eV). Thus, Ni 1 /O 1 N 2 -BN was predicted to have a higher CH 3 OH selectivity than Cu 1 /O 1 N 2 -BN and Co 1 /G.…”

Section: Resultsmentioning

confidence: 86%

A DFT study of boron nitride-confined nickel single atoms for the oxidation of methane to methanol

Yu²,

Phys. Chem. Chem. Phys.

2022

“…Those properties endow promising photophysical/chemical properties to facilitate adsorption of CH 4 onto the catalyst surface, charge separation and reactant activation [ 67 , 68 ]. A study about photo-oxidation of methane to methanol using MOFs as photocatalysts is reported by An [ 69 ] over mono-iron hydroxyl sites immobilized within a metal-organic framework, PMOF-RuFe(OH). A remarkable selectivity was shown that methane was converted to methanol with 100% selectivity and a yield of 8.81 ± 0.34 mmol g cat − h − .…”

Section: Selection Of Materials For Photocatalytic Methane To Methano...mentioning

confidence: 99%

Recent Advances in Photocatalytic Oxidation of Methane to Methanol

et al. 2022

Methane is one of the promising alternatives to non-renewable petroleum resources since it can be transformed into added-value hydrocarbon feedstocks through suitable reactions. The conversion of methane to methanol with a higher chemical value has recently attracted much attention. The selective oxidation of methane to methanol is often considered a “holy grail” reaction in catalysis. However, methanol production through the thermal catalytic process is thermodynamically and economically unfavorable due to its high energy consumption, low catalyst stability, and complex reactor maintenance. Photocatalytic technology offers great potential to carry out unfavorable reactions under mild conditions. Many in-depth studies have been carried out on the photocatalytic conversion of methane to methanol. This review will comprehensively provide recent progress in the photocatalytic oxidation of methane to methanol based on materials and engineering perspectives. Several aspects are considered, such as the type of semiconductor-based photocatalyst (tungsten, titania, zinc, etc.), structure modification of photocatalyst (doping, heterojunction, surface modification, crystal facet re-arrangement, and electron scavenger), factors affecting the reaction process (physiochemical characteristic of photocatalyst, operational condition, and reactor configuration), and briefly proposed reaction mechanism. Analysis of existing challenges and recommendations for the future development of photocatalytic technology for methane to methanol conversion is also highlighted.