Polypeptide and Mn-Ca oxide: Toward a biomimetic catalyst for water-splitting systems

Mohammad Mahdi Najafpour, Mohadeseh Zarei Ghobadi, Bahram Sarvi, Sepideh Madadkhani, Davood Jafarian Sedigh, Parvin Rafighi, Mojtaba Tavahodi, Jian-Ren Shen, Suleyman Allakhverdiev

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Water oxidation is the bottleneck for hydrogen production by water-splitting systems using sunlight or other sustainable energies. Herein we report nano-sized Mn-Ca oxide in an engineered polypeptide (Glu-Glu-Glu-Glu-Glu-Glu-Glu-His-Val-Val-Val-Val-Val-Val-Val-Val) as a structural model for biological water-oxidizing site in plants, algae, and cyanobacteria. The compound was synthesized by a simple procedure and characterized by transmission electron microscopy, atomic absorption spectroscopy, scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction spectrometry, UV-Visible spectroscopy, dynamic light scattering, and some electrochemical methods. Using hydrogen to store sustainable energies is a promising strategy in near future and such nano-sized Mn-Ca oxide/polypeptide is a promising strategy in water-splitting systems to provide cheap electrons from water toward hydrogen production.

Original languageEnglish
Pages (from-to)5504-5512
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume41
Issue number12
DOIs
Publication statusPublished - Apr 6 2016

Fingerprint

water splitting
Polypeptides
biomimetics
polypeptides
Biomimetics
hydrogen production
catalysts
Catalysts
Oxides
oxides
water
spectroscopy
Water
Hydrogen production
algae
sunlight
energy
absorption spectroscopy
light scattering
Atomic spectroscopy

Keywords

  • Biomimetic model
  • Hydrogen
  • Nano-sized Mn-Ca oxide
  • Polypeptide
  • Water-oxidizing catalyst

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Najafpour, M. M., Zarei Ghobadi, M., Sarvi, B., Madadkhani, S., Jafarian Sedigh, D., Rafighi, P., ... Allakhverdiev, S. (2016). Polypeptide and Mn-Ca oxide: Toward a biomimetic catalyst for water-splitting systems. International Journal of Hydrogen Energy, 41(12), 5504-5512. https://doi.org/10.1016/j.ijhydene.2016.01.131

Polypeptide and Mn-Ca oxide : Toward a biomimetic catalyst for water-splitting systems. / Najafpour, Mohammad Mahdi; Zarei Ghobadi, Mohadeseh; Sarvi, Bahram; Madadkhani, Sepideh; Jafarian Sedigh, Davood; Rafighi, Parvin; Tavahodi, Mojtaba; Shen, Jian-Ren; Allakhverdiev, Suleyman.

In: International Journal of Hydrogen Energy, Vol. 41, No. 12, 06.04.2016, p. 5504-5512.

Research output: Contribution to journalArticle

Najafpour, MM, Zarei Ghobadi, M, Sarvi, B, Madadkhani, S, Jafarian Sedigh, D, Rafighi, P, Tavahodi, M, Shen, J-R & Allakhverdiev, S 2016, 'Polypeptide and Mn-Ca oxide: Toward a biomimetic catalyst for water-splitting systems', International Journal of Hydrogen Energy, vol. 41, no. 12, pp. 5504-5512. https://doi.org/10.1016/j.ijhydene.2016.01.131
Najafpour MM, Zarei Ghobadi M, Sarvi B, Madadkhani S, Jafarian Sedigh D, Rafighi P et al. Polypeptide and Mn-Ca oxide: Toward a biomimetic catalyst for water-splitting systems. International Journal of Hydrogen Energy. 2016 Apr 6;41(12):5504-5512. https://doi.org/10.1016/j.ijhydene.2016.01.131
Najafpour, Mohammad Mahdi ; Zarei Ghobadi, Mohadeseh ; Sarvi, Bahram ; Madadkhani, Sepideh ; Jafarian Sedigh, Davood ; Rafighi, Parvin ; Tavahodi, Mojtaba ; Shen, Jian-Ren ; Allakhverdiev, Suleyman. / Polypeptide and Mn-Ca oxide : Toward a biomimetic catalyst for water-splitting systems. In: International Journal of Hydrogen Energy. 2016 ; Vol. 41, No. 12. pp. 5504-5512.
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