Solar driven CO2 reduction with a molecularly engineered periodic mesoporous organosilica containing cobalt phthalocyanine

被引：8

作者：

Navarro, M. Angeles ^{[1
,2
]}

Sain, Sunanda ^{[2
]}

Wuenschek, Maximilian ^{[3
]}

Pichler, Christian M. M. ^{[3
,4
]}

Romero-Salguero, Francisco J. J. ^{[1
]}

Esquivel, Dolores ^{[1
]}

Roy, Souvik ^{[2
]}

机构：

[1] Univ Cordoba, Fac Ciencias, Dept Quim Organ, Inst Quim Energia & Medioambiente IQUEMA, Campus Rabanales, Cordoba 14071, Spain

[2] Univ Lincoln, Sch Chem, Green Lane, Lincoln LN6 7TS, England

[3] TU Vienna, Inst Appl Phys, Wiedner Hauptstr 8-10, A-1040 Vienna, Austria

[4] Ctr Electrochem & surface technol, Viktor Kaplan Str 2, A-2700 Wiener Neustadt, Austria

来源：

NANOSCALE | 2023年 / 15卷 / 05期

关键词：

PHOTOCHEMICAL REDUCTION; HIGHLY EFFICIENT; COMPLEX; WATER; ELECTROCATALYSTS; PHOTOREDUCTION; PHOTOCATALYST; CONVERSION; CATALYST; BEARING;

D O I：

10.1039/d2nr06026d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A molecular cobalt phthalocyanine (CoPc) catalyst has been integrated in an ethylene-bridged periodic mesoporous organosilica (PMO) to fabricate a hybrid material, CoPc-PMO, that catalyses CO2 reduction to CO in a photocatalytic system using [Ru(bpy)(3)](2+) (bpy = 2,2 '-bipyridine) as a photosensitizer and 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole (BIH) as an electron donor. CoPc-PMO displays a Co-based turnover number (TONCO) of >6000 for CO evolution with >70% CO-selectivity after 4 h irradiation with UV-filtered simulated solar light, and a quantum yield of 1.95% at 467 nm towards CO. This system demonstrates a benchmark TONCO for immobilised CoPc-based catalysts towards visible light-driven CO2 reduction.

引用

页码：2114 / 2121

页数：8

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