Defect-Regulated Frustrated-Lewis-Pair Behavior of Boron Nitride in Ambient Pressure Hydrogen Activation

Hao Chen; Chuanye Xiong; Jisue Moon; Alexander S. Ivanov; Wenwen Lin; Tao Wang; Jie Fu; De En Jiang; Zili Wu; Zhenzhen Yang; Sheng Dai

doi:10.1021/jacs.2c00343

Defect-Regulated Frustrated-Lewis-Pair Behavior of Boron Nitride in Ambient Pressure Hydrogen Activation

Hao Chen, Chuanye Xiong, Jisue Moon, Alexander S. Ivanov, Wenwen Lin, Tao Wang, Jie Fu, De En Jiang, Zili Wu, Zhenzhen Yang, Sheng Dai

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

21 Scopus citations

Abstract

The construction of heterogeneous frustrated Lewis pairs (FLPs) with performance comparable to or surpassing the homogeneous counterparts in H₂activation is a long-standing challenge. Herein, sterically hindered Lewis acid ("B" center) and Lewis base ("N" center) sites were anchored within the rigid lattice of highly crystalline hexagonal boron nitride (h-BN) scaffolds. The active sites were created via precision defect regulation during the molten-salt-involved (NaNH₂and NaBH₄) h-BN construction procedure. The as-afforded h-BN scaffolds achieved highly efficient H₂/D₂activation and dissociation under ambient pressure via FLP-like behavior, and attractive catalytic efficiency in hydrogenation reactions surpassing the current heterogeneous analogues.

Original language	English
Pages (from-to)	10688-10693
Number of pages	6
Journal	Journal of the American Chemical Society
Volume	144
Issue number	24
DOIs	https://doi.org/10.1021/jacs.2c00343
State	Published - Jun 22 2022

Funding

The research was supported financially by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division, Catalysis Science program. The IR study was conducted as part of a user project at the Center for Nanophase Materials Sciences, which is a US Department of Energy, Office of Science User Facility at Oak Ridge National Laboratory. J. F was supported by the National Natural Science Foundation of China (No. 22022812, 21978259) and the Fundamental Research Funds for the Central Universities.

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abstract = "The construction of heterogeneous frustrated Lewis pairs (FLPs) with performance comparable to or surpassing the homogeneous counterparts in H2activation is a long-standing challenge. Herein, sterically hindered Lewis acid ({"}B{"} center) and Lewis base ({"}N{"} center) sites were anchored within the rigid lattice of highly crystalline hexagonal boron nitride (h-BN) scaffolds. The active sites were created via precision defect regulation during the molten-salt-involved (NaNH2and NaBH4) h-BN construction procedure. The as-afforded h-BN scaffolds achieved highly efficient H2/D2activation and dissociation under ambient pressure via FLP-like behavior, and attractive catalytic efficiency in hydrogenation reactions surpassing the current heterogeneous analogues.",

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AU - Chen, Hao

AU - Xiong, Chuanye

AU - Moon, Jisue

AU - Ivanov, Alexander S.

AU - Lin, Wenwen

AU - Wang, Tao

AU - Fu, Jie

AU - Jiang, De En

AU - Wu, Zili

AU - Yang, Zhenzhen

AU - Dai, Sheng

PY - 2022/6/22

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Defect-Regulated Frustrated-Lewis-Pair Behavior of Boron Nitride in Ambient Pressure Hydrogen Activation

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