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Synthesis of amorphous Pd-based nanocatalysts for efficient alcoholysis of styrene oxide and electrochemical hydrogen evolution

Journal Article · · Nano Research
 [1];  [2];  [1];  [1];  [1];  [3];  [4];  [1];  [5];  [5];  [1];  [6];  [1];  [1];  [1];  [1];  [1];  [1];  [6];  [4] more »;  [1] « less
  1. City Univ. of Hong Kong (Hong Kong)
  2. Hong Kong University of Science and Technology (HKUST) (Hong Kong); Nanyang Technological Univ. (Singapore)
  3. Univ. of Science and Technology of China, Hefei (China)
  4. Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  5. Tsinghua Univ., Beijing (China)
  6. Nanyang Technological Univ. (Singapore)
Amorphous nanomaterials with long-range disordered structures could possess distinct properties and promising applications, especially in catalysis, as compared with their conventional crystalline counterparts. It is imperative to achieve the controlled preparation of amorphous noble metal-based nanomaterials for the exploration of their phase-dependent applications. Here, in this work, we report a facile wet-chemical reduction strategy to synthesize various amorphous multimetallic Pd-based nanomaterials, including PdRu, PdRh, and PdRuRh. The phase-dependent catalytic performances of distinct Pd-based nanomaterials towards diverse catalytic applications have been demonstrated. Specifically, the usage of PdRu nanocatalysts with amorphous and crystalline face-centered cubic (fcc) phases can efficiently switch the ring-opening route of styrene oxide to obtain different products with high selectivity through alcoholysis reaction and hydrogenation reaction, respectively. Moreover, when used as an electrocatalyst for hydrogen evolution reaction (HER), the synthesized amorphous PdRh nanocatalyst exhibits low overpotential and high turnover frequency values, outperforming its crystalline fcc counterpart and most of the reported Pd-based HER electrocatalysts.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF)
Grant/Contract Number:
SC0012704
OSTI ID:
2433980
Report Number(s):
BNL--225962-2024-JAAM
Journal Information:
Nano Research, Journal Name: Nano Research Journal Issue: 4 Vol. 16; ISSN 1998-0124
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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