2015
DOI: 10.1016/j.apcatb.2015.02.004
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Highly efficient hydrogen production and formaldehyde degradation by Cu2O microcrystals

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Cited by 59 publications
(23 citation statements)
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“…178 The hydrogen evolution rate increased linearly with the oxygen partial pressure, and the optimal TOF of the silver catalyst reached 6,641 hr À1 with 5 atm O 2 at 25 C. 178 This is the highest TOF for catalytic H 2 evolution from a formaldehyde/water mixture using homogeneous heterogeneous catalysts. [173][174][175][176][177][178][179][180][181][182][183][184][185][186][187][188] Because O 2 was not consumed during the enhanced H 2 evolution by O 2 , a surface stabilized MgO/Ag-, OOH complex is proposed to be the catalytically active center that directly participates in H 2 evolution and the regeneration of O 2 . 178 However, the detailed mechanism of the catalytic effect of O 2 on H 2 evolution has yet to be clarified.…”
Section: Directmentioning
confidence: 99%
“…178 The hydrogen evolution rate increased linearly with the oxygen partial pressure, and the optimal TOF of the silver catalyst reached 6,641 hr À1 with 5 atm O 2 at 25 C. 178 This is the highest TOF for catalytic H 2 evolution from a formaldehyde/water mixture using homogeneous heterogeneous catalysts. [173][174][175][176][177][178][179][180][181][182][183][184][185][186][187][188] Because O 2 was not consumed during the enhanced H 2 evolution by O 2 , a surface stabilized MgO/Ag-, OOH complex is proposed to be the catalytically active center that directly participates in H 2 evolution and the regeneration of O 2 . 178 However, the detailed mechanism of the catalytic effect of O 2 on H 2 evolution has yet to be clarified.…”
Section: Directmentioning
confidence: 99%
“…It should be hydrolyzed into formaldehyde or methanediol in acid solution firstly, [16] then the formaldehyde could react with water and generate hydrogen. [17][18][19][20][21][22] It seems promising to produce hydrogen from paraformaldehyde through a two-steps reaction under acid condition (Scheme 1). However, the formaldehyde decomposition prefers alkaline or neutral reaction conditions.…”
Section: Introductionmentioning
confidence: 99%
“…However, the formaldehyde decomposition prefers alkaline or neutral reaction conditions. [20][21][22][23] Few researchers report the formaldehyde catalytic decomposition in acid solution. Paraformaldehyde hydrolysis and formaldehyde catalytic decomposition require distinct reaction conditions.…”
Section: Introductionmentioning
confidence: 99%
“…[10][11][12][13] Cuprous oxide (Cu 2 O) is a p-type metal oxide semiconductor with a direct band gap of 2.0-2.2 eV, which makes it a potentially promising photocatalyst for the photochemical decomposition of water into O 2 and H 2 and photocatalytic degradation of organic pollutants under visible light illumination. [14][15][16][17] However, pure Cu 2 O exhibits very poor quantum efficiency because of the easy recombination between electron and hole. 18 To overcome this limitation, modication of Cu 2 O with noble metals (Ag, Au, Pt or Pd) is one of the most efficient ways.…”
Section: Introductionmentioning
confidence: 99%