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Laser-Synthesized Ru-Anchored Few-Layer Black Phosphorus for Superior Hydrogen Evolution: Role of Acoustic Levitation
- Source :
- ACS Applied Materials & Interfaces; March 2024, Vol. 16 Issue: 9 p11561-11574, 14p
- Publication Year :
- 2024
-
Abstract
- Electrochemical water splitting, driven by processed catalysts, is the most reasonable method for hydrogen production. This study demonstrates an activation phenomenon with ruthenium (Ru) nanoclusters on few-layered black phosphorus (BP), greatly enhancing the electrocatalytic hydrogen evolution reaction (HER). Efficient BP exfoliation was achieved using acoustic levitators and pulsed laser irradiation in liquids (PLIL), yielding charge-transfer Ru-nanoclusters on modulated surfaces. Various PLIL parameters were examined for the optimal BP sheet size. After ruthenization, Ru’s d-band center facilitated hydrogen adsorption via Ru–H bonding. Synergy between BP’s charge-carrier properties and Ru’s active sites boosted HER kinetics with an ultralow overpotential of 84 mV at 10 mA/cm2in KOH. Additionally, the RuO2|| RuBP-2 electrolyzer demonstrated remarkable overall water splitting performance at ∼1.60 V at 10 mA/cm2. These results highlight the pivotal role of metal nanoclusters on exfoliated BP surfaces and offer a refined strategy for high-density electrocatalysts in energy conversion.
Details
- Language :
- English
- ISSN :
- 19448244
- Volume :
- 16
- Issue :
- 9
- Database :
- Supplemental Index
- Journal :
- ACS Applied Materials & Interfaces
- Publication Type :
- Periodical
- Accession number :
- ejs65552225
- Full Text :
- https://doi.org/10.1021/acsami.3c18427