Selective photocatalytic CO2 reduction to CH4 over metal-free porous polyimide in the solid-gas mode

被引：15

作者：

Shit, Subhash Chandra ^{[1
,2
,3
]}

Powar, Niket S. ^{[1
]}

Kalita, Priyanka ^{[2
]}

Paul, Ratul ^{[2
,3
]}

Xu, Shaojun ^{[4
]}

Jung, Jin-Woo ^{[5
]}

Cho, Chang-Hee ^{[5
]}

In, Su-Il ^{[1
]}

Mondal, John ^{[2
,3
]}

机构：

[1] Daegu Gyeongbuk Inst Sci & Technol DGIST, Dept Energy Sci & Engn, 333 Techno Jungang Daero, Daegu 42988, South Korea

[2] CSIR Indian Inst Chem Technol, Catalysis & Fine Chem Div, Uppal Rd, Hyderabad 500007, India

[3] Acad Sci & Innovat Res AcSIR, Ghaziabad 201002, India

[4] Res Complex & Harwell, UK Catalysis Hub, Didcot OX11 0FA, Oxon, England

[5] DGIST, Dept Phys & Chem, 333 Techno Jungang Daero, Daegu 42988, South Korea

来源：

CHEMICAL COMMUNICATIONS | 2022年 / 58卷 / 99期

基金：

英国工程与自然科学研究理事会; 新加坡国家研究基金会;

关键词：

ORGANIC POLYMERS; COMPLEX; PERYLENE;

D O I：

10.1039/d2cc04701b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using a catalyst-free one-pot polycondensation approach, a new donor-acceptor (D-A) based porous polyimide (PeTt-POP) photocatalyst was developed. PeTt-POP produced CH4 (125.63 ppm g(-1) in 6 h) from CO2 under visible light irradiation in the gas-solid mode without the use of co-catalysts or sacrificial agents. The progress of the reaction and the corresponding intermediate species involved in the CO2 reduction were identified by operando DRIFTS experiments, from which a plausible reaction mechanism was proposed.

引用

页码：13716 / 13719

页数：5

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