Synthesis of less acidic VO-salen complex grafted onto graphene oxide via functionalization of surface carboxyl groups for the selective oxidation of norbornene

2020 ◽  
Vol 5 (3-4) ◽  
pp. 83-101
Author(s):  
Ravi S. Vithalani ◽  
Dikin Patel ◽  
Chetan K. Modi ◽  
Prafulla K. Jha ◽  
Himanshu Srivastava ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Selective Oxidation ◽  
Carboxyl Groups ◽  
Salen Complex

Graphene Oxide Functionalized Zn(II) Salen Complex: An Efficient and New Route for the Synthesis of 1,2,3‐Triazole Derivatives

2020 ◽  
Vol 5 (33) ◽  
pp. 10233-10242
Author(s):  
Zohreh Ghadamyari ◽  
Amir Khojastehnezhad ◽  
Seyed Mohammad Seyedi ◽  
Faezeh Taghavi ◽  
Ali Shiri
Keyword(s):  
Graphene Oxide ◽  
Triazole Derivatives ◽  
Salen Complex

scholarly journals Is carboxylation an efficient method for graphene oxide functionalization?

2020 ◽  
Vol 2 (9) ◽  
pp. 4085-4092
Author(s):  
Shi Guo ◽  
Jésus Raya ◽  
Dingkun Ji ◽  
Yuta Nishina ◽  
Cécilia Ménard-Moyon ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Efficient Method ◽  
Chloroacetic Acid ◽  
Carboxyl Groups ◽  
Partial Reduction

We investigated the carboxylation of graphene oxide using chloroacetic acid and different amounts of NaOH. Increase of carboxyl groups was observed only at high amounts of NaOH, but partial reduction attenuates the yield of further functionalization.

PtAu alloy nanoparticles supported on thermally expanded graphene oxide as a catalyst for the selective oxidation of glycerol

RSC Advances ◽  
2015 ◽  
Vol 5 (47) ◽  
pp. 37112-37118 ◽  
Author(s):  
Gao-Yuan Yang ◽  
Shuai Shao ◽  
Yi-Hu Ke ◽  
Chun-Ling Liu ◽  
Hui-Fang Ren ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Graphene Oxide ◽  
Catalytic Activity ◽  
Selective Oxidation ◽  
High Catalytic Activity ◽  
Alloy Nanoparticles

Thermally expanded graphene oxide supported PtAu alloy nanoparticles showed high catalytic activity in the oxidation of glycerol in base-free aqueous solution.

Polystyrene-grafted graphene nanoplatelets with various graft densities by atom transfer radical polymerization from the edge carboxyl groups

RSC Advances ◽  
2014 ◽  
Vol 4 (47) ◽  
pp. 24439-24452 ◽  
Author(s):  
Hossein Roghani-Mamaqani ◽  
Vahid Haddadi-Asl ◽  
Khezrollah Khezri ◽  
Mehdi Salami-Kalajahi
Keyword(s):  
Graphene Oxide ◽  
Atom Transfer Radical Polymerization ◽  
Radical Polymerization ◽  
Graphene Nanoplatelets ◽  
Carboxyl Groups ◽  
Atom Transfer

An initiator containing modifier, 4-hydroxybutyl 2-bromopropionate (CBr), was synthesized by the reaction of 1,4-butanediol and alpha-bromoisobutyryl bromide. Subsequently, graphene oxide was functionalized with CBr to yield initiator-anchored graphene (GCBr). Then, GCBr was used as the precursor for ATRP of styrene.

Graphene Modified Cotton Textiles

2011 ◽  
Vol 331 ◽  
pp. 93-96 ◽  
Author(s):  
Wen Long Gu ◽  
Yong Nan Zhao
Keyword(s):  
Graphene Oxide ◽  
Reactive Dyes ◽  
Structural Features ◽  
Cotton Cloth ◽  
Carboxyl Groups ◽  
Graphene Oxides ◽  
Cotton Textiles

The graphene oxides are abundant in hydroxyl and carboxyl groups that are close to the reactive dyes. These structural features gave a possibility to modify textiles to enhance the conductivity by using the dyeing and finishing method. Herein, graphene modified cotton textiles are fabricated by soaking cotton cloth in graphene oxide colloid. After reduction, the modified textiles exhibit an improved conductivity. The present work contributed a facile strategy for graphene modified textiles.

Aerobic selective oxidation of 5-hydroxymethyl-furfural over nitrogen-doped graphene materials with 2,2,6,6-tetramethylpiperidin-oxyl as co-catalyst

2016 ◽  
Vol 6 (7) ◽  
pp. 2377-2386 ◽  
Author(s):  
Guangqiang Lv ◽  
Hongliang Wang ◽  
Yongxing Yang ◽  
Xiao Li ◽  
Tiansheng Deng ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Thermal Treatment ◽  
Selective Oxidation ◽  
Aerobic Oxidation ◽  
Catalytic Performance ◽  
Co Catalyst ◽  
Nitrogen Doped ◽  
Hydroxymethyl Furfural ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

N-doped graphene materials were prepared via thermal treatment of graphene oxide in flowing NH3, and their catalytic performance was tested in aerobic oxidation of 5-hydroxymethy-furfural.

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