Black TiO2 nanoparticles with efficient photocatalytic activity under visible light at low temperature: regioselective C–N bond cleavage toward the synthesis of thioureas, sulfonamides, and propargylamines

2020 ◽  
Vol 10 (20) ◽  
pp. 6825-6839 ◽  
Author(s):  
Mehdi Koohgard ◽  
Mona Hosseini-Sarvari
Keyword(s):  
Photocatalytic Activity ◽  
Low Temperature ◽  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Bond Cleavage ◽  
Regioselective Synthesis ◽  
Tertiary Amines ◽  
Black Tio2

Several different colored forms of TiO2 were prepared through the easy treatment of white TiO2 and NaBH4 as a safe hydrogen source. Then, tertiary amines were harnessed toward the regioselective synthesis of three prominent scaffolds.

scholarly journals Green synthesis of mesoporous anatase TiO2 nanoparticles and their photocatalytic activities

RSC Advances ◽  
2017 ◽  
Vol 7 (76) ◽  
pp. 48083-48094 ◽  
Author(s):  
Sunderishwary S. Muniandy ◽  
Noor Haida Mohd Kaus ◽  
Zhong-Tao Jiang ◽  
Mohammednoor Altarawneh ◽  
Hooi Ling Lee
Keyword(s):  
Low Temperature ◽  
Green Chemistry ◽  
Visible Light ◽  
Green Synthesis ◽  
Tio2 Nanoparticles ◽  
Soluble Starch ◽  
Anatase Tio2 ◽  
Photocatalytic Activities ◽  
Visible Light Active

Mesoporous anatase TiO2 nanoparticles are produced by employing a facile green chemistry approach at low temperature with soluble starch as the template in this work. The obtained TiO2 photocatalyst is visible-light active with good photocatalytic activities.

Preparation of annular TiO2 nanoparticles constructed by high-energy surfaces and enhanced visible-light photocatalytic activity

2017 ◽  
Vol 41 (15) ◽  
pp. 7562-7570 ◽  
Author(s):  
Fanxia Kong ◽  
Yuguo Xia ◽  
Xiuling Jiao ◽  
Dairong Chen
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Tio2 Nanoparticles ◽  
High Energy ◽  
Etching Process ◽  
Visible Light Photocatalytic Activity ◽  
Energy Surfaces ◽  
Visible Light Photocatalytic

Annular TiO2 nanoparticles were synthesized through a combined solvothermal and etching process.

A synergistic effect of a cobalt Schiff base complex and TiO2 nanoparticles on aerobic olefin epoxidation

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 79085-79089 ◽  
Author(s):  
Maasoumeh Jafarpour ◽  
Hossein Kargar ◽  
Abdolreza Rezaeifard
Keyword(s):  
Photocatalytic Activity ◽  
Schiff Base ◽  
Synergistic Effect ◽  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Aerobic Oxidation ◽  
Schiff Base Complex ◽  
Reducing Agent ◽  
Base Complex ◽  
Visible Light Photocatalytic

A cobalt Schiff base complex and TiO2 nanoparticles exhibited a synergistic effect on the visible-light photocatalytic activity in the aerobic oxidation of various olefins in the absence of reducing agent.

scholarly journals Non-aqueous sol–gel synthesis through a low-temperature solvothermal process of anatase showing visible-light photocatalytic activity

RSC Advances ◽  
2014 ◽  
Vol 4 (87) ◽  
pp. 46762-46770 ◽  
Author(s):  
Mohamed Karmaoui ◽  
David M. Tobaldi ◽  
Andrijana Sever Skapin Andrijana Sever Skapin ◽  
Robert C. Pullar ◽  
Maria P. Seabra ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Low Temperature ◽  
Visible Light ◽  
Sol Gel ◽  
Solvothermal Process ◽  
One Pot ◽  
Visible Light Photocatalytic Activity ◽  
Sol Gel Synthesis ◽  
Visible Light Photocatalytic

A novel, facile method based on a non-aqueous sol–gel solvothermal process has been developed to synthesise spherical TiO2 nanoparticles (NPs) in one pot.

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