Phase-controlled solvothermal syntheses and oxygen evolution reaction (OER) activity of nickel sulfide nanoparticles obtained from 1,2-bis(diphenylphosphino)ethane nickel(II) acetylacetonatedithiolate

被引：5

作者：

Singh, Ayushi ^{[1
]}

Singh, Amita ^{[1
,2
]}

Kociok-Kohn, Gabriele ^{[3
]}

Chauhan, Ratna ^{[4
]}

Gosavi, Suresh W. ^{[5
]}

Singh, Anar ^{[6
]}

Singh, Ashish Kumar ^{[7
]}

Kumar, Abhinav ^{[1
]}

Muddassir, Mohd ^{[8
]}

机构：

[1] Univ Lucknow, Fac Sci, Dept Chem, Lucknow 226007, Uttar Pradesh, India

[2] Dr Ram Manohar Lohiya Awadh Univ, Dept Chem, Ayodhya, India

[3] Univ Bath, Mat & Chem Characterisat Facil MC2, Bath BA2 7AY, Avon, England

[4] Savitribai Phule Pune Univ, Dept Environm Sci, Pune 411007, Maharashtra, India

[5] Savitribai Phule Pune Univ, Fac Sci, Dept Phys, Pune 411007, Maharashtra, India

[6] Univ Lucknow, Fac Sci, Dept Phys, Lucknow 226007, Uttar Pradesh, India

[7] Guru Ghasidas Vishwavidyalaya, Dept Chem, Bilaspur 495009, India

[8] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia

来源：

NEW JOURNAL OF CHEMISTRY | 2022年 / 46卷 / 21期

关键词：

DITHIOCARBAMATE COMPLEXES; NI3S2; NANOPARTICLES; THIN-FILMS; NIS; ELECTROCATALYSTS; NANOCRYSTALS; PRECURSORS; INCLUSIONS; HYDROGEN; NI(II);

D O I：

10.1039/d2nj01177h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new heteroleptic nickel(ii) complex, [Ni(dppe)(acac)]center dot CHCl3 (1) (where acac = acetylacetonatedithiolate, dppe = 1,2-bis(diphenylphosphino)ethane), has been synthesized and characterized using different spectroscopic techniques and single-crystal X-ray diffraction. The solvothermal decomposition of the complex in two different solvents, viz. 1-dodecanethiol (DT) and octadecyl amine (ODA), yielded two different nickel sulfides, viz.Ni-DT and Ni-ODA, respectively. These sulfides have been characterized by PXRD and SEM. Rietveld refinement analyses of Ni-DT revealed that it comprises two phases of nickel sulfide, viz. NiS and Ni3S3, while Ni-ODA possesses only a single phase of Ni2S3. The newly synthesized materials have been used as electrocatalysts for the oxygen evolution half-cell reaction of water splitting. The electrochemical studies suggest that Ni-DT/Ni-ODA has a good electrocatalytic activity towards the OER at a low overpotential of similar to 200 mV with eta(1) being 342 mV and 243 mV for Ni-DT and Ni-ODA, respectively, at a scan rate of 1 mV s(-1).

引用

页码：10246 / 10255

页数：10

共 28 条

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CHEMISTRY AFRICA-A JOURNAL OF THE TUNISIAN CHEMICAL SOCIETY, 2024, : 4261 - 4271
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