From UV to Near-Infrared Light-Responsive Metal-Organic Framework Composites: Plasmon and Upconversion Enhanced Photocatalysis

Advanced Materials
Dandan LiHai-Long Jiang

Abstract

The exploitation of photocatalysts that harvest solar spectrum as broad as possible remains a high-priority target yet grand challenge. In this work, for the first time, metal-organic framework (MOF) composites are rationally fabricated to achieve broadband spectral response from UV to near-infrared (NIR) region. In the core-shell structured upconversion nanoparticles (UCNPs)-Pt@MOF/Au composites, the MOF is responsive to UV and a bit visible light, the plasmonic Au nanoparticles (NPs) accept visible light, whereas the UCNPs absorb NIR light to emit UV and visible light that are harvested by the MOF and Au once again. Moreover, the MOF not only facilitates the generation of "bare and clean" Au NPs on its surface and realizes the spatial separation for the Au and Pt NPs, but also provides necessary access for catalytic substrates/products to Pt active sites. As a result, the optimized composite exhibits excellent photocatalytic hydrogen production activity (280 µmol g-1 h-1 ) under simulated solar light, and the involved mechanism of photocatalytic H2 production under UV, visible, and NIR irradiation is elucidated. Reportedly, this is an extremely rare study on photocatalytic H2 production by light harvesting in all UV, visible,...Continue Reading

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Citations

Aug 26, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Hong-Liang TangFeng-Ming Zhang
Feb 4, 2021·The Journal of Physical Chemistry Letters·Xian QinXiaogang Liu
Jun 28, 2019·ACS Applied Materials & Interfaces·Nan LiXia Tao
Jun 2, 2020·ACS Applied Materials & Interfaces·Olga GuselnikovaOleksiy Lyutakov
Dec 10, 2019·ACS Applied Materials & Interfaces·Jiaojiao FangChunhua Lu
Dec 21, 2018·Accounts of Chemical Research·Juan-Ding Xiao, Hai-Long Jiang
Sep 25, 2020·ACS Nano·Pengchang LiuLei Jiang
Nov 30, 2021·Chemical Communications : Chem Comm·Meng-Hao LiYing-Wei Yang

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