2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO2 Reduction

Jianning Lv; Wenrui Li; Shuai Li; Shuo Xu; Zunhang Lv; Zhejiaji Zhu; Lu Dai; Bo Wang; Pengfei Li

doi:10.1007/s40820-025-01679-3

2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO₂ Reduction

Jianning Lv, Wenrui Li, Shuai Li, Shuo Xu, Zunhang Lv, Zhejiaji Zhu, Lu Dai, Bo Wang, Pengfei Li^*

^*Corresponding author for this work

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

Abstract

Highly crystalline 2D metal hydrogen-bonded organic frameworks (2D-M-HOFs) including 2D-Cu-HOF and 2D-Ni-HOF were designed and synthesized. The 2D-M-HOF with flexible ligands leads to the formation of the self-adaption interlayered sites, which facilitate the C–C couple and overcome the limitations of the coadsorption of multiple intermediates in the electrocatalytic CO₂ reduction reaction. The undulated 2D-Cu-HOF exhibits outstanding activity and selectivity for electrocatalytic reduction of CO₂ to C₂ products with a total Faradaic efficiency of 82.1% (48.2% for C₂H₅OH and 33.9% for C₂H₄) at −1.2 V vs. RHE.

Original language	English
Article number	162
Journal	Nano-Micro Letters
Volume	17
Issue number	1
DOIs	https://doi.org/10.1007/s40820-025-01679-3
Publication status	Published - Dec 2025

Keywords

Electrocatalytic CO reduction
Flexible structure
Hydrogen-bonded organic frameworks
Self-adaption interlayered sites

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10.1007/s40820-025-01679-3

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Lv, J., Li, W., Li, S., Xu, S., Lv, Z., Zhu, Z., Dai, L., Wang, B., & Li, P. (2025). 2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO₂ Reduction. Nano-Micro Letters, 17(1), Article 162. https://doi.org/10.1007/s40820-025-01679-3

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title = "2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO2 Reduction",

abstract = "Highly crystalline 2D metal hydrogen-bonded organic frameworks (2D-M-HOFs) including 2D-Cu-HOF and 2D-Ni-HOF were designed and synthesized. The 2D-M-HOF with flexible ligands leads to the formation of the self-adaption interlayered sites, which facilitate the C–C couple and overcome the limitations of the coadsorption of multiple intermediates in the electrocatalytic CO2 reduction reaction. The undulated 2D-Cu-HOF exhibits outstanding activity and selectivity for electrocatalytic reduction of CO2 to C2 products with a total Faradaic efficiency of 82.1% (48.2% for C2H5OH and 33.9% for C2H4) at −1.2 V vs. RHE.",

keywords = "Electrocatalytic CO reduction, Flexible structure, Hydrogen-bonded organic frameworks, Self-adaption interlayered sites",

author = "Jianning Lv and Wenrui Li and Shuai Li and Shuo Xu and Zunhang Lv and Zhejiaji Zhu and Lu Dai and Bo Wang and Pengfei Li",

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doi = "10.1007/s40820-025-01679-3",

language = "English",

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T1 - 2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO2 Reduction

AU - Lv, Jianning

AU - Li, Wenrui

AU - Li, Shuai

AU - Xu, Shuo

AU - Lv, Zunhang

AU - Zhu, Zhejiaji

AU - Dai, Lu

AU - Wang, Bo

AU - Li, Pengfei

N1 - Publisher Copyright: © The Author(s) 2025.

PY - 2025/12

Y1 - 2025/12

N2 - Highly crystalline 2D metal hydrogen-bonded organic frameworks (2D-M-HOFs) including 2D-Cu-HOF and 2D-Ni-HOF were designed and synthesized. The 2D-M-HOF with flexible ligands leads to the formation of the self-adaption interlayered sites, which facilitate the C–C couple and overcome the limitations of the coadsorption of multiple intermediates in the electrocatalytic CO2 reduction reaction. The undulated 2D-Cu-HOF exhibits outstanding activity and selectivity for electrocatalytic reduction of CO2 to C2 products with a total Faradaic efficiency of 82.1% (48.2% for C2H5OH and 33.9% for C2H4) at −1.2 V vs. RHE.

AB - Highly crystalline 2D metal hydrogen-bonded organic frameworks (2D-M-HOFs) including 2D-Cu-HOF and 2D-Ni-HOF were designed and synthesized. The 2D-M-HOF with flexible ligands leads to the formation of the self-adaption interlayered sites, which facilitate the C–C couple and overcome the limitations of the coadsorption of multiple intermediates in the electrocatalytic CO2 reduction reaction. The undulated 2D-Cu-HOF exhibits outstanding activity and selectivity for electrocatalytic reduction of CO2 to C2 products with a total Faradaic efficiency of 82.1% (48.2% for C2H5OH and 33.9% for C2H4) at −1.2 V vs. RHE.

KW - Electrocatalytic CO reduction

KW - Flexible structure

KW - Hydrogen-bonded organic frameworks

KW - Self-adaption interlayered sites

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DO - 10.1007/s40820-025-01679-3

M3 - Article

AN - SCOPUS:85218463255

SN - 2311-6706

VL - 17

JO - Nano-Micro Letters

JF - Nano-Micro Letters

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M1 - 162

ER -

2D Undulated Metal Hydrogen-Bonded Organic Frameworks with Self-Adaption Interlayered Sites for Highly Efficient C–C Coupling in the Electrocatalytic CO₂ Reduction

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