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Author:

Sultana, Fozia (Sultana, Fozia.) | Mushtaq, Muhammad (Mushtaq, Muhammad.) | Wang, Jiahui (Wang, Jiahui.) | Althubeiti, Khaled (Althubeiti, Khaled.) | Zaman, Abid (Zaman, Abid.) | Rais, Aisha Kalsoom (Rais, Aisha Kalsoom.) | Ali, Asad (Ali, Asad.) | Yang, Qing (Yang, Qing.)

Indexed by:

EI Scopus SCIE

Abstract:

The electrocatalytic hydrogen evolution reaction (HER) is a sustainable energy production route using green chemistry. Transition metal dichalcogenides' application in catalytic hydrogen production is limited due to a lack of solutions that simultaneously address intrinsic activity, increased surface area, electrical conductivity, and stability problems. Herein we address these issues simultaneously by modifying the electronic structure of molybdenum disulfide (MoS2) nanorods using a low content of Pd (1 wt% and 2 wt%) dopant via a facile colloidal solvothermal route. The resulting MoS2 nanorods doped with (1 and 2 wt%) palladium demonstrate current density of 100 mA/cm(2) at quit lower over-potentials of 137 mV and 119 mV than 273 mV for pure MoS2 nanorods, accompanied by high stability. This research proposes a strategy for designing highperformance HER electrocatalysts that work in acidic medium. In addition, the Tafel slop calculated for MoS2 is 112 mV/dec whereas for 1 and 2 wt% Pd-MoS2, the Tafel slopes are 70 mV/ dec and 46 mV/dec. (C) 2022 The Authors. Published by Elsevier B.V. on behalf of King Saud University.

Keyword:

Intrinsic activity Catalytic hydrogen production Electrical conductivity Stability Transition metal dichalcognides Solvothermal

Author Community:

  • [ 1 ] [Sultana, Fozia]Univ Sci & Technol China, Dept Chem, Hefei Natl Lab Phys Sci Microscale HFNL, Lab Nanomat Energy Convers LNEC, Hefei 230026, Anhui, Peoples R China
  • [ 2 ] [Wang, Jiahui]Univ Sci & Technol China, Dept Chem, Hefei Natl Lab Phys Sci Microscale HFNL, Lab Nanomat Energy Convers LNEC, Hefei 230026, Anhui, Peoples R China
  • [ 3 ] [Yang, Qing]Univ Sci & Technol China, Dept Chem, Hefei Natl Lab Phys Sci Microscale HFNL, Lab Nanomat Energy Convers LNEC, Hefei 230026, Anhui, Peoples R China
  • [ 4 ] [Mushtaq, Muhammad]Beijing Univ Technol, Sch Mat Sci & Engn, Beijing, Peoples R China
  • [ 5 ] [Althubeiti, Khaled]Taif Univ, Coll Sci, Dept Chem, POB 11099, At Taif 21944, Saudi Arabia
  • [ 6 ] [Zaman, Abid]Riphah Int Univ, Dept Phys, Islamabad 44000, Pakistan
  • [ 7 ] [Ali, Asad]Riphah Int Univ, Dept Phys, Islamabad 44000, Pakistan
  • [ 8 ] [Rais, Aisha Kalsoom]Abdul Wali Khan Univ, Dept Chem, Mardan, Pakistan

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Source :

ARABIAN JOURNAL OF CHEMISTRY

ISSN: 1878-5352

Year: 2022

Issue: 5

Volume: 15

6 . 0

JCR@2022

6 . 0 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:53

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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