Solvent-Free Self-Assembly to the Synthesis of Nitrogen-Doped Ordered Mesoporous Polymers for Highly Selective Capture and Conversion of CO2

Fujian Liu; Kuan Huang; Qin Wu; Sheng Dai

doi:10.1002/adma.201700445

Solvent-Free Self-Assembly to the Synthesis of Nitrogen-Doped Ordered Mesoporous Polymers for Highly Selective Capture and Conversion of CO₂

Fujian Liu, Kuan Huang, Qin Wu, Sheng Dai

Chemical Sciences Division

Research output: Contribution to journal › Article › peer-review

196 Scopus citations

Abstract

A solvent-free induced self-assembly technology for the synthesis of nitrogen-doped ordered mesoporous polymers (N-OMPs) is developed, which is realized by mixing polymer precursors with block copolymer templates, curing at 140–180 °C, and calcination to remove the templates. This synthetic strategy represents a significant advancement in the preparation of functional porous polymers through a fast and scalable yet environmentally friendly route, since no solvents or catalysts are used. The synthesized N-OMPs and their derived catalysts are found to exhibit competitive CO₂ capacities (0.67–0.91 mmol g⁻¹ at 25 °C and 0.15 bar), extraordinary CO₂/N₂ selectivities (98–205 at 25 °C), and excellent activities for catalyzing conversion of CO₂ into cyclic carbonate (conversion >95% at 100 °C and 1.2 MPa for 1.5 h). The solvent-free technology developed in this work can also be extended to the synthesis of N-OMP/SiO₂ nanocomposites, mesoporous SiO₂, crystalline mesoporous TiO₂, and TiPO, demonstrating its wide applicability in porous material synthesis.

Original language	English
Article number	1700445
Journal	Advanced Materials
Volume	29
Issue number	27
DOIs	https://doi.org/10.1002/adma.201700445
State	Published - Jul 19 2017

Funding

This work was supported by the Center for Understanding and Control of Acid Gas-Induced Evolution of Materials for Energy (UNCAGE-ME), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Award No. DE-SC0012577. F.L. acknowledges the support by the National Natural Science Foundation of China (21573150 and 21203122), and the Natural Science Foundation of Zhejiang Province (LY15B030002). K.H. acknowledges the sponsorship from the Nanchang University.

Funders	Funder number
Center for Understanding and Control of Acid Gas-Induced Evolution of Materials for Energy
Energy Frontier Research Center
U.S. Department of Energy
Office of Science
Basic Energy Sciences	DE-SC0012577
National Natural Science Foundation of China	21203122, 21573150
Nanchang University
Natural Science Foundation of Zhejiang Province	LY15B030002

Keywords

CO capture and conversion
molecular sieves
nitrogen functionality
ordered mesoporosity
solvent-free synthesis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/adma.201700445

Cite this

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title = "Solvent-Free Self-Assembly to the Synthesis of Nitrogen-Doped Ordered Mesoporous Polymers for Highly Selective Capture and Conversion of CO2 ",

abstract = "A solvent-free induced self-assembly technology for the synthesis of nitrogen-doped ordered mesoporous polymers (N-OMPs) is developed, which is realized by mixing polymer precursors with block copolymer templates, curing at 140–180 °C, and calcination to remove the templates. This synthetic strategy represents a significant advancement in the preparation of functional porous polymers through a fast and scalable yet environmentally friendly route, since no solvents or catalysts are used. The synthesized N-OMPs and their derived catalysts are found to exhibit competitive CO2 capacities (0.67–0.91 mmol g−1 at 25 °C and 0.15 bar), extraordinary CO2/N2 selectivities (98–205 at 25 °C), and excellent activities for catalyzing conversion of CO2 into cyclic carbonate (conversion >95% at 100 °C and 1.2 MPa for 1.5 h). The solvent-free technology developed in this work can also be extended to the synthesis of N-OMP/SiO2 nanocomposites, mesoporous SiO2, crystalline mesoporous TiO2, and TiPO, demonstrating its wide applicability in porous material synthesis.",

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