Extracted Data Points

  • Scientists from Centre for Nano and Soft Matter Sciences (CeNS), Bengaluru - an autonomous institute of Department of Science and Technology (DST)
  • Research conducted in collaboration with Dr. Chandraraj Alex from Kiel University, Germany and Dr. Satadeep Bhattacharjee and Dr. Swetarekha Ram from Indo-Korea Science and Technology Center (IKST), Bengaluru
  • Study focused on molybdenum carbide (Mo₂C), a widely studied earth-abundant catalyst
  • Research uncovered how catalyst structure evolves during hydrogen evolution reaction (HER)
  • Study demonstrates Mo₂C does not remain structurally static during HER
  • Catalyst undergoes dynamic reconstruction, forming oxygen-deficient molybdenum oxide (MoO_x) domains
  • Reconstructed species exhibit local coordination environment closely resembling MoO₂
  • These reconstructed species play decisive role in facilitating H₂ generation
  • Transformation is beneficial, leading to improved activity and stability
  • Mo/Mo₂C heterostructures exhibit faster oxidation, forming soluble molybdate species and loss of catalytic activity
  • Controlled reconstruction in Mo₂C promotes catalytic efficiency
  • Uncontrolled oxidation in Mo/Mo₂C leads to degradation
  • Research establishes fundamental link between local atomic structure, dynamic redox evolution, and electrocatalytic performance
  • Study used advanced experimental techniques including in situ X-ray absorption spectroscopy (XAS) and in situ Raman spectroscopy
  • Theoretical calculations were also employed
  • Work published in Material Horizons journal
  • Publication link: https://doi.org/10.1039/D5MH02010G
  • Research provides new insights into catalyst behavior under realistic operating conditions
  • Findings could guide design of efficient, next-generation electrocatalysts
  • Potential application for efficient, low-cost hydrogen production systems
  • Research supports development of efficient, durable, and cost-effective hydrogen production systems

Relevance: Relevant - Contains significant scientific research data with potential implications for green hydrogen production technology and clean energy sector development.