scholarly journals A novel, mesoporous molybdenum doped titanium dioxide/reduced graphene oxide composite as a green, highly efficient solid acid catalyst for acetalization

2020 ◽  
Vol 49 (12) ◽  
pp. 3786-3795
Author(s):  
Wimalika R. K. Thalgaspitiya ◽  
Tharindu Kankanam Kapuge ◽  
Junkai He ◽  
Peter Kerns ◽  
Andrew G. Meguerdichian ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Oxide Composite ◽  
Highly Efficient ◽  
Reduced Graphene ◽  
Doped Titanium Dioxide

A novel, mesoporous molybdenum doped titanium dioxide-reduced graphene oxide composite is synthesized as a highly efficient heterogeneous solid acid catalyst.

A sol–gel derived, copper-doped, titanium dioxide–reduced graphene oxide nanocomposite electrode for the photoelectrocatalytic reduction of CO2to methanol and formic acid

RSC Advances ◽  
2015 ◽  
Vol 5 (95) ◽  
pp. 77803-77813 ◽  
Author(s):  
Md. Rakibul Hasan ◽  
Sharifah Bee Abd Hamid ◽  
Wan Jeffrey Basirun ◽  
Syazwan Hanani Meriam Suhaimy ◽  
Ahmad Nazeer Che Mat
Keyword(s):  
Titanium Dioxide ◽  
Graphene Oxide ◽  
Formic Acid ◽  
Reduced Graphene Oxide ◽  
Sol Gel ◽  
Highly Efficient ◽  
Reduced Graphene ◽  
Doped Titanium Dioxide

Highly efficient photoelectrocatalytic reduction of CO2into methanol and formic acid at Cu doped RGO–TiO2photoelectrode.

scholarly journals Multifunctional transition metal doped titanium dioxide reduced graphene oxide composites as highly efficient adsorbents and photocatalysts

2020 ◽  
Vol 307 ◽  
pp. 110521
Author(s):  
Wimalika R.K. Thalgaspitiya ◽  
Tharindu Kankanam Kapuge ◽  
Junkai He ◽  
Bahareh Deljoo ◽  
Andrew G. Meguerdichian ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Graphene Oxide ◽  
Transition Metal ◽  
Reduced Graphene Oxide ◽  
Highly Efficient ◽  
Reduced Graphene ◽  
Doped Titanium Dioxide ◽  
Metal Doped ◽  
Oxide Composites

A Greener Approach for the Chemoselective Boc Protection of Amines Using Sulfonated Reduced Graphene Oxide as a Catalyst in Metal- and Solvent-Free Conditions

Synthesis ◽  
2019 ◽  
Vol 52 (04) ◽  
pp. 591-601
Author(s):  
Rupali Mittal ◽  
Anupam Mishra ◽  
Satish K. Awasthi
Keyword(s):  
Electron Microscopy ◽  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Ambient Conditions ◽  
Solvent Free Conditions ◽  
Reduced Graphene

Sulfonated reduced graphene oxide (SrGO) has displayed great potential as a solid acid catalyst due to its efficiency, cost-effectiveness, and reliability. In this study, SrGO was synthesized by the introduction of sulfonic acid-containing aryl radicals onto chemically reduced graphene oxide using ultrasonication. The SrGO catalyst was characterized by Fourier Transform Infrared (FTIR) spectroscopy, Raman spectroscopy, powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and transmission electron microscopy (TEM). Further, SrGO was effectively utilized as a metal-free and reusable solid acid catalyst for the chemoselective N-t-Boc protection of various aromatic and aliphatic amines under solvent-free conditions. The N-t-Boc protection of amines was easily achieved under ambient conditions affording high yields (84–95%) in very short reaction times (5 min–2 h). The authenticity of the approach was confirmed by a crystal structure. The catalyst could be easily recovered and was reused up to seven consecutive catalytic cycles without any substantial loss in its activity.

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