2022
DOI: 10.1039/d2ta03977j
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Structural design and control of photocatalytic nitrogen-fixing catalysts

Abstract: The process of traditional synthetic nitrogen-fixing ammonia is high energy consumption and not environmental protection with severe reaction conditions. Thus, it is very important to explore a new approach to...

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Cited by 27 publications
(13 citation statements)
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“…78 Thus, to better conrm the structural characteristics of BiVO 4 @PDMS@MS and the presence of OVs, low-temperature ESR detection at 77 K was employed. A strong signal is detected at g = 2.0033 for BiVO 4 , indicating the presence of free electrons surrounding oxygen vacancies (OVs), which are regarded as active sites and electron-hole pair separation sites, 66,79,80 as illustrated in Fig. 6a.…”
Section: Resultsmentioning
confidence: 99%
“…78 Thus, to better conrm the structural characteristics of BiVO 4 @PDMS@MS and the presence of OVs, low-temperature ESR detection at 77 K was employed. A strong signal is detected at g = 2.0033 for BiVO 4 , indicating the presence of free electrons surrounding oxygen vacancies (OVs), which are regarded as active sites and electron-hole pair separation sites, 66,79,80 as illustrated in Fig. 6a.…”
Section: Resultsmentioning
confidence: 99%
“…To be specific, the conversion of N 2 to NH 3 is extremely difficult because the two N atoms of the N 2 molecule share three pairs of electrons from the s and p orbitals thus forming an extremely strong NRN bond with strong bond energy, weak polarization, and a lack of a dipole moment. [38][39][40] Based on the above facts, we can conclude that from a thermodynamic point of view, the solar-driven nitrogen fixation process needs to satisfy the energy criterion of oxidation and reduction potential. However, the nitrogen fixation efficiency of unmodified catalysts is generally low due to kinetic limitations.…”
Section: Biao Humentioning
confidence: 97%
“…To be specific, the conversion of N 2 to NH 3 is extremely difficult because the two N atoms of the N 2 molecule share three pairs of electrons from the σ and π orbitals thus forming an extremely strong NN bond with strong bond energy, weak polarization, and a lack of a dipole moment. 38–40…”
Section: Introductionmentioning
confidence: 99%
“…For the sake of enhancing photocatalytic nitrogen fixing performance of BiOBr, various approaches have been researched. For instance, morphology modulation, [10,11] defect engineering, [12][13][14] metal/ non-metal doping. [15][16][17] Even so, photogenerated carriers still have a poor separation efficiency.…”
Section: Introductionmentioning
confidence: 99%