Authors: S. Chakrabartty, B. K. Barman and C. R. RajVol: 55 Pages: 4399Journal: Chem. Commun Year: 2019 Posted: 28 Jun 2019
Authors: S. Mondal and C. R. RajVol: 11 Pages: 14110Journal: ACS Appl. Mater. Interfaces Year: 2019 Posted: 28 Jun 2019
Authors: M. M. Kumar and C. R. RajVol: 2 Pages: 643Journal: ACS Appl. Nano Mater Year: 2019 Posted: 28 Jun 2019
Authors: S. Chakrabartty and C. R. RajVol: 43 Pages: 19510Journal: International J. Hydrogen Energy Year: 2018 Posted: 28 Jun 2019
Asymmetric Supercapacitor Based on Chemically Coupled Hybrid Material of Fe2O3-Fe3O4 Heterostructure and Nitrogen-Doped Reduced Graphene Oxide
Authors: S. Mallick, P. P. Jana, and C. R. RajVol: 5 Pages: 2348Journal: ChemElectroChem Year: 2018 Posted: 27 Jun 2019
Authors: S. Mondal and C. R. RajVol: 122 Pages: 18468Journal: J. Phys. Chem. C Year: 2018 Posted: 27 Jun 2019
Authors: A. Samanta and C. R. RajVol: 122 Pages: 15843Journal: J. Phys. Chem. C Year: 2018 Posted: 27 Jun 2019
Authors: B. Manna and C.R.RajVol: 6 Pages: 6175Journal: ACS Sustainable Chem. Eng. Year: 2018 Posted: 27 Jun 2019
Authors: S. Mondal, S. Ghosh and C. R. RajVol: 3 Pages: 622Journal: ACS Omega Year: 2017 Posted: 27 Jun 2019
We demonstrate a new approach for the unzipping of single-walled carbon nanotube (SWCNT) in an aqueous solution using the transition metal complex PdCl42– as a sacrificial chemical scissor and the growth of graphitic-carbon-coated Pd nanoparticles for the electrocatalytic oxidation of formic acid. The chemical unzipping and the growth of Pd nanoparticles involve the spontaneous electron transfer between SWCNT and the metal complex in an aqueous solution at room temperature. The redox potential for SWCNT and PdCl42– favors the spontaneous electron transfer reaction. The metal complex, in situ generated Pd nanoparticle, and oxygen play vital role in the oxidative unzipping of SWCNT. The Pd nanoparticles have an average size of 11 nm and are coated with the graphitic carbon layer of unzipped SWCNT (UzCNT-Pd). The Pd nanoparticle of the UzCNT-Pd hybrid material has a large electrochemically active surface area of 2.14 cm2. The hybrid material exhibits excellent electrocatalytic activity toward the oxidation of formic acid. The area and mass specific activity are significantly higher than those of the traditional carbon-supported Pd nanoparticle. The synergistic effect of graphitic carbon and the metal nanoparticles controls the catalytic activity. The confinement of Pd particles inside the graphitic carbon enhances the overall performance of the catalyst.<\/p>")">
Authors: S. Chakrabartty, C. S. Gopinath and C. R. RajVol: 42 Pages: 22821Journal: International J. Hydrogen Energy Year: 2017 Posted: 27 Jun 2019
Inorganic Organic Hybrid 3D Redox Nanoarchitecture for the Electrocatalytic Sensing of Thiols
Authors: B. Manna and C.R.RajVol: 5 Pages: 9412Journal: ACS Sustainable Chem. Eng. Year: 2017 Posted: 27 Jun 2019
On the electrocatalytic activity of nitrogen-doped reduced graphene Oxide: Does the nature of nitrogen really control the activity towards oxygen reduction?
Authors: SOURAV BAG and C RETNA RAJJournal: J. Chem. Sci., 128, 339 (2016) Year: 2016 Posted: 22 Dec 2018
Rational functionalization of reduced graphene oxide with imidazolium-based ionic liquid for supercapacitor application
Authors: Sourav Bag, Arpan Samanta, Prasenjit Bhunia, C. Retna Raj* Journal: International Journal of Hydrogen Energy, (2016) Year: 2016 Posted: 22 Dec 2018
Facile shape-controlled growth of hierarchical mesoporous d-MnO2 for the development of asymmetric supercapacitors
Authors: S. Bag and C. R. Raj* Journal: J. Mater. Chem. A, 4, 8384 (2016) Year: 2016 Posted: 22 Dec 2018
Hierarchical three-dimensional mesoporous MnO2 nanostructures for high performance aqueous asymmetric supercapacitors
Authors: S. Bag and C. R. Raj* Journal: J. Mater. Chem. A, 4, 587 (2016) Year: 2016 Posted: 22 Dec 2018
Covalent functionalization and electrochemical tuning of reduced graphene oxide for the bioelectrocatalytic sensing of serum lactate
Authors: B. Manna and C. R. Raj* Journal: J. Mater. Chem. B, 4, 4585 (2016) Year: 2016 Posted: 22 Dec 2018
Authors: C. R. Raj,*A. Samanta, S. H. Noh, S. Mondal, T. Okajima, T. OhsakaJournal: J. Mater. Chem. A. 2016 (Review), 4, 11156 (2016) Year: 2016 Posted: 22 Dec 2018
The design and development of a new economically viable electrocatalyst for the cathodic reduction of oxygen in fuel cells and metal–air batteries is of significant interest. The high cost, scarcity and lack of durability of traditional Pt-based electrocatalysts limit the widespread implementation of fuel cells for practical applications. The emergence of non-Pt and metal-free electrocatalysts for the oxygen reduction reaction (ORR) is promising in the development of energy conversion devices. In this review, we discuss the emerging new electrocatalysts, non-precious transition metals, metal nitrides and carbides and the nanoscale carbon-based metal-free electrocatalysts, for the ORR. Although the actual ORR mechanism and the active site of these catalysts are not well understood, their catalytic activity is undoubtful. The porosity and chemical and electronic environments of the catalysts control their activity. The activity of these catalysts is discussed in terms of onset potential, durability and their tolerance towards anode fuels. The metal-free heteroatom-doped carbon-based electrocatalysts are highly active in alkaline medium, paving the way for the development of alkaline fuel cells, though their long time durability in an actual fuel cell stack is not well explored. The challenges in the use of these catalysts and the lack of fundamental understanding of the catalytic activity are addressed.<\/p>\r\n\r\n <\/p>")">
Nitrogen and Sulfur Dual-Doped Reduced Graphene Oxide: Synergistic Effect of Dopants Towards Oxygen Reduction Reaction
Authors: Sourav Bag, Bodhisatwa Mondal, Ashok Kumar Das, C. Retna Raj * Journal: Electrochimica Acta, 163, 16–23 (2015) Year: 2015 Posted: 22 Dec 2018
Facile Growth of Multi-twined Au Nanostructures
Authors: RAJ KUMAR BERAa, ASIM BHAUMIKb and C RETNA RAJa,? Journal: J. Chem. Sci., 127, 2111 (2015) Year: 2015 Posted: 22 Dec 2018
Pt-Pd nanoelectrocatalyst of ultralow Pt content for the oxidation of formic acid: Towards tuning the reaction pathway
Authors: SOUROV GHOSH and C RETNA RAJ? Journal: J. Chem. Sci., 127, 949 (2015) Year: 2015 Posted: 22 Dec 2018
A Rationally Designed Thymidine-Based Self-Assembled Monolayer on a Gold Electrode for Electroanalytical Applications
Authors: Dhrubajyoti Datta, Raj Kumar Bera, Saibal Jana, Bhaskar Manna, Debayan Roy, Anakuthil Anoop, C. Retna Raj,* and Tanmaya Pathak Journal: Chem. Asian J., 10, 1554 (2015) Year: 2015 Posted: 22 Dec 2018
Visible-Light-Driven Production of Poly(a-terthiophene)-Au Nanoparticle Functional Hybrid Material, inside back cover page
Authors: Raj Kumar Bera, Prasenjit Bhunia, Sukanta Chakrabartty, and C. Retna Raj Journal: ChemNanoMat, 1, 586 - 592 (2015) Year: 2015 Posted: 22 Dec 2018
Carbon nanotube-supported dendritic Pt-on-Pd nanostructures: growth mechanism and electrocatalytic activity towards oxygen reduction reaction
Authors: Raj et al Journal: J. Mater. Chem. A,, 2, 2233 (2014) Year: 2014 Posted: 22 Dec 2018
Shape-controlled growth of surface-confined Au nanostructures for electroanalytical applications
Authors: Ashok Kumar Das, C. Retna RajJournal: J. Electroanal. Chem., 717-18, 140 (2014) Year: 2014 Posted: 22 Dec 2018
Enzyme-integrated cholesterol biosensing scaffold based on in situ synthesized reduced graphene oxide and dendritic Pd nanostructure
Authors: Raj et al Journal: Biosensors and Bioelectronics, 62, 357 (2014) Year: 2014 Posted: 22 Dec 2018
Layered inorganic-organic hybrid material based on reduced graphene oxide and alpha-Ni(OH)2 for high performance supercapacitor electrodes
Authors: Sourav Baga and C. Retna RajJournal: J. Mater. Chem. A, 2, 17848-17856 (2014) Year: 2014 Posted: 22 Dec 2018
Facile Single-Step Synthesis of Nitrogen-Doped Reduced Graphene Oxide-Mn3O4 Hybrid Functional Material for the Electrocatalytic Reduction of Oxygen
Authors: Sourav Bag, Kanak Roy, Chinnakonda S. Gopinath, and C. Retna RajJournal: ACS Appl. Mater. Interfaces, 6, 2692 (2014) Year: 2014 Posted: 22 Dec 2018
Antimicrobial activity of fluorescent Ag nanoparticles
Authors: R.K. Bera, S.M. Mandal, and C.R. Raj Journal: Letters in Applied Microbiology, 58, 520 (2014) Year: 2014 Posted: 22 Dec 2018
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