Sub-second ultrafast yet programmable wet-chemical synthesis

Lin Zhang, Li Peng, Yuanchao Lu, Xin Ming, Yuxin Sun, Xiaoyi Xu, Yuxing Xia, Kai Pang, Wenzhang Fang, Ning Huang, Zhen Xu, Yibin Ying, Yingjun Liu (), Yingchun Fu () and Chao Gao ()
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Lin Zhang: Zhejiang University
Li Peng: Zhejiang University
Yuanchao Lu: Zhejiang University of Technology
Xin Ming: Zhejiang University
Yuxin Sun: Zhejiang University
Xiaoyi Xu: Zhejiang University
Yuxing Xia: Zhejiang University
Kai Pang: Zhejiang University
Wenzhang Fang: Zhejiang University
Ning Huang: Zhejiang University
Zhen Xu: Zhejiang University
Yibin Ying: Zhejiang University
Yingjun Liu: Zhejiang University
Yingchun Fu: Zhejiang University
Chao Gao: Zhejiang University

Nature Communications, 2023, vol. 14, issue 1, 1-12

Abstract: Abstract Wet-chemical synthesis via heating bulk solution is powerful to obtain nanomaterials. However, it still suffers from limited reaction rate, controllability, and massive consumption of energy/reactants, particularly for the synthesis on specific substrates. Herein, we present an innovative wet-interfacial Joule heating (WIJH) approach to synthesize various nanomaterials in a sub-second ultrafast, programmable, and energy/reactant-saving manner. In the WIJH, Joule heat generated by the graphene film (GF) is confined at the substrate-solution interface. Accompanied by instantaneous evaporation of the solvent, the temperature is steeply improved and the precursors are concentrated, thereby synergistically accelerating and controlling the nucleation and growth of nanomaterials on the substrate. WIJH leads to a record high crystallization rate of HKUST-1 (~1.97 μm s−1), an ultralow energy cost (9.55 × 10−6 kWh cm−2) and low precursor concentrations, which are up to 5 orders of magnitude faster, −6 and −2 orders of magnitude lower than traditional methods, respectively. Moreover, WIJH could handily customize the products’ amount, size, and morphology via programming the electrified procedures. The as-prepared HKUST-1/GF enables the Joule-heating-controllable and low-energy-required capture and liberation towards CO2. This study opens up a new methodology towards the superefficient synthesis of nanomaterials and solvent-involved Joule heating.

Date: 2023
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DOI: 10.1038/s41467-023-40737-5

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