|
1
|
Salam N, Paul P, Ghosh S, Mandi U, Khan A, Alam SM, Das D, Manirul Islam S. AgNPs encapsulated by an amine-functionalized polymer nanocatalyst for CO2fixation as a carboxylic acid and the oxidation of cyclohexane under ambient conditions. NEW J CHEM 2020. [DOI: 10.1039/c9nj05865f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel catalyst comprising Ag NPs grafted to a porous polystyrene material was synthesized for the production of valuable propiolic acid derivativesviaCO2(1 atm) incorporation, and the oxidation of cyclohexane under ambient reaction conditions.
Collapse
Affiliation(s)
- Noor Salam
- Department of Chemistry
- University of Kalyani
- Kalyani
- India
- Department of Chemistry
| | - Priyanka Paul
- Department of Chemistry
- University of Kalyani
- Kalyani
- India
- Department of Chemistry
| | | | - Usha Mandi
- Department of Chemistry
- Jogamaya Devi College
- Kolkata
- India
| | - Aslam Khan
- King Abdullah Institute for Nanotechnology
- King Saud University
- Riyadh
- Saudi Arabia
| | | | - Debasis Das
- Department of Chemistry
- The University of Burdwan
- Burdwan
- India
| | | |
Collapse
|
|
2
|
Begum R, Farooqi ZH, Aboo AH, Ahmed E, Sharif A, Xiao J. Reduction of nitroarenes catalyzed by microgel-stabilized silver nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2019; 377:399-408. [PMID: 31176075 DOI: 10.1016/j.jhazmat.2019.05.080] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/18/2019] [Accepted: 05/26/2019] [Indexed: 06/09/2023]
Abstract
Poly(N-isopropylacrylamide-co-acrylamide) (PNA-BIS-2) microgels were synthesized by free radical precipitation polymerization in aqueous medium. Spherical Ag nanoparticles with diameter of 10-20 nm were fabricated inside the PNA-BIS-2 microgels by in-situ reduction of silver nitrate using sodium borohydride as reducing agent. The Ag nanoparticles- loaded hybrid microgels were characterized by Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Energy dispersive X-ray (EDX), Scanning transmission electron microscopy (STEM), Ultraviolet visible spectroscopy (UV Visible), Thermogravimetric analysis (TGA) and X-ray diffraction (XRD). Ag contents in the hybrid system were determined by inductively coupled plasma - optical emission spectrometry (ICP-OES). Various nitroarenes were successfully converted into their respective aromatic amines with good to excellent yields (ranging from 75% to 97%) under mild reaction conditions. The catalyst has ability to successfully convert substituted nitroarenes into desired products keeping many functionalities intact. The catalyst can be stored for long time without any sign of aggregation and can be used multiple times without any significant loss in its catalytic activity.
Collapse
Affiliation(s)
- Robina Begum
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK; Institute of Chemistry, University of the Punjab, New Campus Lahore, 54590, Pakistan; Centre for Undergraduate Studies, University of the Punjab, New Campus Lahore, 54590, Pakistan
| | - Zahoor H Farooqi
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK; Institute of Chemistry, University of the Punjab, New Campus Lahore, 54590, Pakistan.
| | - Ahmed H Aboo
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Ejaz Ahmed
- Institute of Chemistry, University of the Punjab, New Campus Lahore, 54590, Pakistan
| | - Ahsan Sharif
- Institute of Chemistry, University of the Punjab, New Campus Lahore, 54590, Pakistan
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.
| |
Collapse
|
|
3
|
Liu F, Liu X, Astruc D, Gu H. Dendronized triazolyl-containing ferrocenyl polymers as stabilizers of gold nanoparticles for recyclable two-phase reduction of 4-nitrophenol. J Colloid Interface Sci 2019; 533:161-170. [DOI: 10.1016/j.jcis.2018.08.062] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/20/2018] [Accepted: 08/21/2018] [Indexed: 01/15/2023]
|
|
4
|
Preparation of metal-polymer nanocomposites by chemical reduction of metal ions: functions of polymer matrices. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1646-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|
|
5
|
Assembling of a novel 3D Ag(I)-MOFs with mixed ligands tactics: Syntheses, crystal structure and catalytic degradation of nitrophenol. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.09.043] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
|
6
|
Zhou J, Lan Y, Lei F, Zhao Y, Lu J, Huang Q, Li P, Li H, Zhang J. Synthesis, surface properties and temperature dependence of phase separation of DSPE chains in ethanol solutions. NEW J CHEM 2018. [DOI: 10.1039/c8nj01781f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The surface properties, phase separation processes and kinetics of a DSPE/ethanol solution were investigated.
Collapse
Affiliation(s)
- Juying Zhou
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Yanjiao Lan
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
| | - Fuhou Lei
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Yanzhi Zhao
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Jianfang Lu
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Qin Huang
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Pengfei Li
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Hao Li
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products
| | - Jinyan Zhang
- School of Chemistry and Chemical Engineering
- Guangxi University for Nationalities
- Nanning 530006
- P. R. China
| |
Collapse
|