2019年6月5日 · When an iron-containing polyoxometalate Na 27 [Fe 11 (H 2 O) 14 (OH) 2 (W 3 O 10) 2 (α-SbW 9 O 33) 6] (Fe11) was used as a cocatalyst, an amorphous layer of active species was wrapped outside the initial Ti 3+ /TiO 2 nanorod and the in situ formed composite was labeled as F/Ti 3+ /TiO 2.

2015年9月1日 · Molecular semiconductor Na 27 [Fe 11 (H 2 O) 14 (OH) 2 (W 3 O 10) 2 (α-SbW 9 O 33) 6] shows remarkable catalytic property for photocatalytic hydrogen evolution. A H 2 evolution rate of 820 μmol h −1 g −1 was achieved in the presence of catalyst without adding any photosensitizers and co-catalysts at neutral condition.

Compared to two POM compounds, either iron-containing K5SiFe(OH)2W11O39 or iron-free Na9[ α– SbW9O33], both POMs showed even much less catalytic activities. -α Fe2O3 nanoparticles with size of...

2023年4月10日 · Fe-substituted polyoxometalate(Na15[(P2W15O56)2Fe3])(Fe-POM)- based composite (C19H42N)15[(P2W15O56)2Fe3](CTAB-Fe-POM) was successfully synthesized through an ion-exchanged method. Then, it was self-assembly in a mixed solvent to form surfactant encapsulated complex nanosphere(SECN).

2015年8月5日 · The iron-based POM [Fe11 (H 2 O)14 (OH) 2 (W 3 O 10 ) 2 (SbW 9 O 33 ) 6 ] 27- (Sb-Fe 11 ) shows exceptional photocatalytic water oxidation activity with a TON of 1815 and TOF of 6.3 s -1 . 123...

与纯BiVO 4 相比，添加十一种含铁的多金属氧酸盐（Fe 11 POM）作为有效的助催化剂可显着改善光催化水的氧化性能。 通过仔细表征和分析选定区域，在BiVO 4 的决定性110面上高选择性地将Fe 11 POM光沉积到超薄纳米膜中 在超纯水下可以清楚地观察到，并且在纳米膜和富孔的110小平面之间获得了紧密的连接，有利于增强表面催化效率。 超薄纳米膜的精美装饰可以进一步阐明，因为FeO x 由Fe 11 POM分解而来，可以有效捕获光生空穴并抑制电子-空穴对的重组，从而通 …

2022年5月1日 · The p -SiO 2 -NH 3 -Fe 11 POM@CdS catalyst exhibits a high H 2 evolution activity of 23.1 mmol g −1 h −1 with turnover number (TON) of 3225 and apparent quantum efficiency (AQE) of 71% under 420 nm LED illumination. The electrons transfer from p -SiO 2 -NH 2 @CdS to Fe 11 POM, affording electrons accumulated in Fe 11 POM for H 2 evolution.

2022年7月19日 · Insertion of molecular metal oxides, e.g. polyoxometalates (POMs), into metal–organic frameworks (MOFs) opens up new research opportunities in various fields, particularly in catalysis. POM/MOF composites have strong acidity, oxygen-rich surface, and redox capacity due to typical characteristics of POMs and 2022 Frontier and Perspective articles

2015年9月30日 · An unprecedented molecular polyanionic metal oxide cluster of eleven-FeIII substituted antimoniotungstate Na27 [Fe11 (H2O)14 (OH)2 (W3O10)2 (α-SbW9O33)6]·103H2O (1) based on earth abundant...

2017年11月28日 · Herein, we report the preparation and application of three new nanocomposites based on polyoxometalates (POMs) and reduced oxidized‐graphene flakes (rGF_ox) as HER electrocatalysts (ECs).