Unfolding essence of nanoscience for improved water splitting hydrogen generation in the light of newly emergent nanocatalysts

Erum Pervaiz*, Maryum Ali, Muhammad Adil Abbasi, Tayyaba Noor, Zafar Said, Hussain Alawadhi

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)


To meet the escalated global energy requirements while preserving the intrinsic environmental integrity, it is highly important to develop renewable and clean energy sources as the replacement of traditional fossil fuels. Hydrogen is an appealing green energy source due to huge energy density, carbon free by products, renewable and storable nature. Water splitting is an exceedingly important technology for sustainable hydrogen generation. However, the process needs high-performance, stable, and low-cost catalyst for efficient hydrogen evolution reaction (HER). This review article aims to summarize the theoretical understanding of foundations for various H2 development technologies along with their merits and de-merits. The essence of nanosciences for the development of nanoengineered stable and cost-effective catalysts has been comprehensively showcased by enlightening the outstanding performance of newly emergent nanocatalyst for H2 production via water splitting. Particular consideration has been devoted to prevalent approaches that can improve the catalytic properties of the categorized nanocatalyst and provide insight towards atomic assembly related mechanism. Future consideration for catalytic enhancement is also discussed. In short, this critical review comes up with the insight essence of hybridized catalyst that are noteworthy for researchers and industrialists to sort out the best class of materials in accordance with hydrogen production techniques.

Original languageEnglish
Pages (from-to)26915-26955
Number of pages41
JournalInternational Journal of Hydrogen Energy
Issue number63
Early online date7 Jul 2022
Publication statusPublished - 26 Jul 2022


  • hydrogen production
  • metal organic framework MOFs
  • transition metal dichalcogenide
  • water splitting
  • xenes


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