Hydrotalcite framework stabilized ruthenium nanoparticles  Ru/HTaL : efficient heterogeneous catalyst for the methanolysis of ammonia-borane

İsmail Burak BAĞUÇ; Mehmet YURDERİ; Gülşah Saydan KANBEROĞLU; Ahmet BULUT

doi:https://doi.org/10.3906/kim-1910-44

Makale detayları

Hydrotalcite framework stabilized ruthenium nanoparticles Ru/HTaL : efficient heterogeneous catalyst for the methanolysis of ammonia-borane

Yazarlar:

İsmail Burak BAĞUÇ | Mehmet YURDERİ | Gülşah Saydan KANBEROĞLU | Ahmet BULUT

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Chemistry 2020 Vol.44 Issue 2, pp.364-377

Belge Tipi:

Makale

Yayın Tarihi:

2/2020

Belge Dili:

İngilizce

Document ID (Org No.):

2000725430

Sıklık:

İki Aylık

eISSN:

1303-6130

pISSN:

1300-0527

DOI:

https://doi.org/10.3906/kim-1910-44

Özet:

 

Ruthenium nanoparticles stabilized by a hydrotalcite framework  Ru/HTaL  were prepared by following a 2-step procedure comprising a wet-impregnation of ruthenium III  chloride precatalyst on the surface of HTaL followed by an ammonia-borane  NH33_{3}BH33_{3}  reduction of precatalyst on the HTaL surface all at room temperature. The characterization of Ru/HTaL was done by using various spectroscopic and visualization methods including ICP-OES, P-XRD, FTIR, 1111^{11}B NMR, XPS, BFTEM, and HRTEM. The sum of the results gained from these analyses has revealed the formation of well-dispersed and highly crystalline ruthenium nanoparticles with a mean diameter of 1.27 ± 0.8 nm on HTaL surface. The catalytic performance of Ru/HTaL in terms of activity, selectivity, and stability was investigated in the methanolysis of ammonia-borane  NH33_{3} BH33_{3}, AB , which has been considered as one of the most promising chemical hydrogen storage materials. It was found that Ru/HTaL can catalyse methanolysis of AB effectively with an initial turnover frequency  TOF  value of 392.77 min-−1−1^{-1} at conversion  >95%  even at room temperature. Moreover, the catalytic stability tests of Ru/HTaL in AB methanolysis showed that Ru/HTaL acts as a highly stable and reusable heterogeneous catalyst in this reaction by preserving more than 95% of its initial activity even at the 5th recycle.

Makale detayları

Hydrotalcite framework stabilized ruthenium nanoparticles Ru/HTaL : efficient heterogeneous catalyst for the methanolysis of ammonia-borane

Yazarlar: İsmail Burak BAĞUÇ | Mehmet YURDERİ | Gülşah Saydan KANBEROĞLU | Ahmet BULUT

Yayıncı: TUBITAK

Dergi: Turkish Journal of Chemistry 2020 Vol.44 Issue 2, pp.364-377

Belge Tipi: Makale

Yayın Tarihi: 2/2020

Belge Dili: İngilizce

Document ID (Org No.): 2000725430

Sıklık: İki Aylık

eISSN: 1303-6130

pISSN: 1300-0527

DOI: https://doi.org/10.3906/kim-1910-44

Sayı

Yazarlar:

İsmail Burak BAĞUÇ | Mehmet YURDERİ | Gülşah Saydan KANBEROĞLU | Ahmet BULUT

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Chemistry 2020 Vol.44 Issue 2, pp.364-377

Belge Tipi:

Makale

Yayın Tarihi:

2/2020

Belge Dili:

İngilizce

Document ID (Org No.):

2000725430

Sıklık:

İki Aylık

eISSN:

1303-6130

pISSN:

1300-0527

DOI:

https://doi.org/10.3906/kim-1910-44