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Browsing Tapas Kumar Maji by Issue Date

Now showing items 1-20 of 45

Lanthanide-organic frameworks for gas storage and as magneto-luminescent materials

Roy, Syamantak; Chakraborty, Anindita; Maji, Tapas Kumar (Elsevier Science Sa, 2014)

Smart and careful design strategies need to be adopted for the synthesis of lanthanide organic framework materials to strike a balance between the high coordination requirement of lanthanide metal ions and the formation ...
Porous coordination polymers based on functionalized Schiff base linkers: enhanced CO2 uptake by pore surface modification

Bhattacharya, Biswajit; Haldar, Ritesh; Dey, Rajdip; Maji, Tapas Kumar; Ghoshal, Debajyoti (Royal Society of Chemistry, 2014)

We report the synthesis, structural characterization and adsorption properties of three new porous coordination polymers {[Cu(Meazpy)(0.5)(glut)](H2O)}(n) (2), {[Zn(azpy)(0.5)(terep)](H2O)}(n) (3), and {[Zn(Meazpy)(0.5)( ...
Synthesis, Characterization, and Modeling of a Functional Conjugated Microporous Polymer: CO2 Storage and Light Harvesting

Suresh, Venkata M.; Bonakala, Satyanarayana; Roy, Syamantak; Balasubramanian, Sundaram; Maji, Tapas Kumar (American Chemical Society, 2014)

A Rationalization of structure and properties of amorphous porous solids at the microscopic level is essential in developing advanced materials. We delineate the structural modeling of a designed tetraphenylethene-based ...
A hexanuclear Cu(I) cluster supported by cuprophilic interaction: effects of aromatics on luminescence properties

Chakraborty, Anindita; Ramachandran, Krishna Kumar; Yamijala, Sharma S. R. K. C.; Pati, Swapan Kumar; Maji, Tapas Kumar (Royal Society of Chemistry, 2014)

A hexanuclear Cu(I) cluster {Cu-3(L)(2)}(2) (1) based on a novel tripodal linker (L) has been synthesized. 1 shows intense emission (lambda(max) 560 nm) with lifetime <tau > = 224 ms and quantum yield = 27.6%. The emission ...
Porous graphene frameworks pillared by organic linkers with tunable surface area and gas storage properties

Kumar, Ram; Suresh, Venkata M.; Maji, Tapas Kumar; Rao, C. N. R. (Royal Society of Chemistry, 2014)

We report the design and synthesis of two porous graphene frameworks (PGFs) prepared via covalent functionalization of reduced graphene oxide (RGO) with iodobenzene followed by a C-C coupling reaction. In contrast to RGO, ...
Amide Functionalized Microporous Organic Polymer (Am-MOP) for Selective CO2 Sorption and Catalysis

Suresh, Venkata M.; Bonakala, Satyanarayana; Atreya, Hanudatta S.; Balasubramanian, Sundaram; Maji, Tapas Kumar (American Chemical Society, 2014)

We report the design and synthesis of an amide functionalized microporous organic polymer (Am-MOP) prepared from trimesic acid and p-phenylenediamine using thionyl chloride as a reagent. Polar amide (CONH) functional groups ...
Structural and Magnetic Diversity Based on Different Imidazolate Linkers in Cu(II)-Azido Coordination Compounds

Chakraborty, Anindita; Lingampalli, Srinivasa Rao; Kumari, Aman; Ribas, Joan; Ribas-Arino, Jordi; Maji, Tapas Kumar (American Chemical Society, 2014)

This Article reports the syntheses, structural characterization, and magnetic studies of four different Cu(II)-azido compounds based on imidazole or substituted imidazole ligand. The compounds, [Cu-2(mu(1,1)-N-3)(2)(Etim ...
Mg-MOF-74@SBA-15 hybrids: Synthesis, characterization, and adsorption properties

Chakraborty, Anindita; Maji, Tapas Kumar (American Institute of Physics, 2014)

Nanocrystals of Mg-MOF-74 have been immobilized into the mesopores of SBA-15 rods to fabricate Mg-MOF-74@SBA-15 hybrid materials. To furnish such composites, a relatively simple synthetic strategy has been adopted by direct ...
Synthesis and Structural Characterization of 1D and 2D Coordination Polymers based on Flexible 1,3-Adamantanediacetic Acid and Exo-bidentate Organic Linkers

Haldar, Ritesh; Maji, Tapas Kumar (Wiley-V C H Verlag Gmbh, 2014)

Five mixed-linkers based coordination polymers, namely {M(1, 3-Hadc)(bpy)(H2O)(2)}(n) [M = Ni-II (1), Co-II (2)], {Zn(1, 3-adc)(bpy)(0.5)}(n) (3), {Cd(1, 3-Hadc)(2)(bpy)}(n) (4), and {Cu(1, 3-Hadc)(2)(bpp)}(n) (5) [1, ...
In-situ Stabilization of Tin Nanoparticles in Porous Carbon Matrix derived from Metal Organic Framework: High Capacity and High Rate Capability Anodes for Lithium-ion Batteries

Shiva, Konda; Jayaramulu, Kolleboyina; Rajendra, H. B.; Maji, Tapas Kumar; Bhattacharyya, Aninda J. (Wiley-V C H Verlag Gmbh, 2014)

It is a formidable challenge to arrange tin nanoparticles in a porous matrix for the achievement of high specific capacity and current rate capability anode for lithium-ion batteries. This article discusses a simple and ...
A bimodal anionic MOF: turn-off sensing of Cu-II and specific sensitization of Eu-III

Bhattacharyya, Sohini; Chakraborty, Anindita; Jayaramulu, Kolleboyina; Hazra, Arpan; Maji, Tapas Kumar (Royal Society of Chemistry, 2014)

A novel porous anionic MOF {[Mg-3(ndc)(2.5)(HCO2)(2)(H2O)][NH2Me2]center dot 2H(2)O center dot DMF} (1) having exchangeable dimethyl amine cations in 1D channels has been synthesized and characterized. Through cation ...
Stoichiometry-Controlled Two Flexible Interpenetrated Frameworks: Higher CO2 Uptake in a Nanoscale Counterpart Supported by Accelerated Adsorption Kinetics

Sikdar, Nivedita; Hazra, Arpan; Maji, Tapas Kumar (American Chemical Society, 2014)

Here, we report the synthesis, structural characterizations, and gas storage properties of two new 2-fold interpenetrated 3D frameworks, {[Zn-2(bpdc)(2)(azpy)]center dot 2H(2)O center dot 2DMF}(n) (1) and {[Zn-3(bpdc)(3) ...
Two 3D metal-organic frameworks of Cd(II): modulation of structures and porous properties based on linker functionalities

Haldar, Ritesh; Bonakala, Satyanarayana; Kanoo, Prakash; Balasubramanian, Sundaram; Maji, Tapas Kumar (Royal Society of Chemistry, 2014)

Two new Cd(II) based metal-organic frameworks (MOFs), {[ Cd(NH2-bdc)(bpe)] center dot 0.5EtOH}(n) (1) and {[ Cd(NO2-bdc)(azbpy)] center dot 4H(2)O} n (2) (NH2-bdc = 2-amino terephthalic acid, bpe = 1,2-bis(4-pyridyl) ethane, ...
Interpenetrated Metal-Organic Frameworks with [Ag(CN)(2)](-) Bridging Ligand: Synthesis, Structural Characterization and Magnetic Study

Chakraborty, Anindita; Maji, Tapas Kumar (National Academy of Sciences India, 2014)

This report articulates synthesis and single-crystal structural characterization of two twofold interpenetrated three dimensional metal-organic frameworks [Co-II(bipy)(2){Ag(CN)(2)}(2)](n) (1) and [Co-II(bpee)(2){Ag(CN)(2)}(2)](n) ...
Flexible and Rigid Amine-Functionalized Microporous Frameworks Based on Different Secondary Building Units: Supramolecular Isomerism, Selective CO2 Capture, and Catalysis

Haldar, Ritesh; Reddy, Sandeep K.; Suresh, Venkata M.; Mohapatra, Sudip; Balasubramanian, Sundaram; Maji, Tapas Kumar (Wiley-V C H Verlag Gmbh, 2014)

We report the synthesis, structural characterization, and porous properties of two isomeric supramolecular complexes of ([Cd(NH(2)bdc)(bphz)(0.5)]DMFH2O}(n) (NH(2)bdc=2-aminobenzenedicarboxylic acid, bphz=1,2-bis(4-pyrid ...
Oligo(p-phenyleneethynylene)-Derived Porous Luminescent Nanoscale Coordination Polymer of Gd-III: Bimodal Imaging and Nitroaromatic Sensing

Suresh, Venkata M.; Chatterjee, Snehajyoti; Modak, Rahul; Tiwari, Vivek; Patel, Anant B.; Kundu, Tapas Kumar; Maji, Tapas Kumar (American Chemical Society, 2014)

Self-assembled highly luminescent nanoscale coordination polymer of {[Gd(OPE)(NO3)(H2O)2]center dot H2O} (NCP-1), (oligo-(p-phenyleneethynylene)dicarboxylate) was synthesized by coordination-driven self-assembly of ...
Two 3D supramolecular frameworks assembled from the dinuclear building block: A crystallographic evidence of carboxylate(O)center dot center dot center dot pi interaction

Mohapatra, Sudip; Roy, Syamantak; Ghoshal, Debajyoti; Maji, Tapas Kumar (Indian Academy of Sciences, 2014)

Two new complexes of Mn(H) and Zn(II) have been synthesized using a mixed ligand system and characterized by IR spectroscopy, elemental analysis, single crystal x-ray diffraction and variable temperature magnetic study for ...
Porous polyimides from polycyclic aromatic linkers: Selective CO2 capture and hydrogen storage

Rao, K. Venkata; Haldar, Ritesh; Maji, Tapas Kumar; George, Subi Jacob (Elsevier Sci Ltd, 2014)

Porous polyimides are important class of macromolecules owing to their excellent redox behaviour, efficient capture of CO2 and H-2 gases, interesting photocatalytic properties and superior thermal and chemical stabilities. ...
Amine-Responsive Adaptable Nanospaces: Fluorescent Porous Coordination Polymer for Molecular Recognition

Haldar, Ritesh; Matsuda, Ryotaro; Kitagawa, Susumu; George, Subi Jacob; Maji, Tapas Kumar (Wiley-V C H Verlag Gmbh, 2014)

Flexible and dynamic porous coordination polymers (PCPs) with well-defined nanospaces composed of chromophoric organic linkers provide a scaffold for encapsulation of versatile guest molecules through noncovalent interactions. ...
Charge-Transfer Nanostructures through Noncovalent Amphiphilic Self-Assembly: Extended Cofacial Donor-Acceptor Arrays

Rao, K. Venkata; Jalani, Krishnendu; Jayaramulu, K.; Mogera, Umesha; Maji, Tapas Kumar; George, Subi Jacob (Wiley-V C H Verlag Gmbh, 2014)

Now showing items 1-20 of 45

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