Citation: Meng Zhang, Jin Dai, Shengmei Huang, Dan Fang, Yitao Liu, Jianyong Yu, Bin Ding, Andreas Greiner. Pt/TiO_2–x nanofibrous aerogel for effective nitrogen reduction: A simple strategy for simultaneous Pt formation and TiO_2–x vacancy engineering[J]. Chinese Chemical Letters, ;2022, 33(2): 1001-1005. doi: 10.1016/j.cclet.2021.08.069 shu

Pt/TiO_2–x nanofibrous aerogel for effective nitrogen reduction: A simple strategy for simultaneous Pt formation and TiO_2–x vacancy engineering

Meng Zhang ^a ,
Jin Dai ^a ,
Shengmei Huang ^a ,
Dan Fang ^b ,
Yitao Liu ^{a, *,} ,
Jianyong Yu ^a ,
Bin Ding ^{a, *,} ,
Andreas Greiner ^b

a.
Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
b.
Macromolecular Chemistry and Bavarian Polymer Institute, University of Bayreuth, Bayreuth 95440, Germany

liu-yt03@dhu.edu.cn

binding@dhu.edu.cn

Received Date: 14 July 2021
Revised Date: 10 August 2021
Accepted Date: 13 August 2021
Available Online: 19 August 2021

Figures(4)

Electrocatalysis plays an increasingly important role in converting atmospheric molecules (e.g., N₂, CO₂ and H₂O) to value-added products (e.g., NH₃, C₂H₄ and H₂). However, developing a simple strategy for preparing catalysts with high performance for the effective conversion of clean energy is still full of challenges. Herein, we describe a straightforward, one-step reduction method to achieve the formation of Pt nanoparticles (NPs) and the vacancy engineering of TiO_2–x nanofibers (NFs) simultaneously, which can be accomplished in 5 min. Furthermore, a Pt/TiO_2–x nanofibrous aerogel (NA) with an ordered cellular architecture is prepared through a directional freezing technology. The Pt/TiO_2–x NA with excellent mechanical properties can be made into a self-supporting electrode for electrocatalytic N₂ reduction reaction (NRR), showing high NH₃ yield rate (4.81 × 10^–10 mol/s cm^–2) and Faraday efficiency (14.9%) at –0.35 V vs. RHE.
- Vacancy engineering,
- Pt nanoparticles,
- TiO_2–x nanofibers,
- Nanofibrous aerogel,
- Electrocatalysis,
- Nitrogen reduction
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Pt/TiO2–x nanofibrous aerogel for effective nitrogen reduction: A simple strategy for simultaneous Pt formation and TiO2–x vacancy engineering

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通讯作者: 陈斌, bchen63@163.com

Pt/TiO_2–x nanofibrous aerogel for effective nitrogen reduction: A simple strategy for simultaneous Pt formation and TiO_2–x vacancy engineering