Author
Mohd. Avais
Bio: Mohd. Avais is an academic researcher from Indian Institute of Technology Patna. The author has contributed to research in topics: Polymer & Adsorption. The author has an hindex of 2, co-authored 3 publications receiving 13 citations.
Papers
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TL;DR: Drug encapsulated hydrogels are prepared and their release kinetics is studied as a function of pH and swelling capacity of the hydrogel increases with increasing crosslinking density as expected.
23 citations
07 Jan 2021
TL;DR: In this paper, a synthetic approach to prepare processable hierarchical porous polymers (PPs) is presented, where polymerization (hyperbranching)-independency is used.
Abstract: Exploring a synthetic approach to prepare processable hierarchical porous polymers (PPs) is challenging. In the article, a strategic approach is presented, where polymerization (hyperbranching)-ind...
11 citations
TL;DR: In this paper , the removal of iodine from different media (such as vapor, organic solvent and water) is of primary importance for the sustainable development of the future of the world.
Abstract: Due to their long half life and volatile nature, efficient removal of iodine from different media (such as vapor, organic solvent and water) is of primary importance for the sustainable...
7 citations
TL;DR: In this paper, a surfactant-free method is reported for the synthesis of a processable and degradable aliphatic open-pore porous polyelectrolyte monolith for the removal of gaseous pollutants such as iodine and CO2 via a colloidal templating method.
Abstract: A task-specific design of biodegradable and processable porous polymers is one of the primary requisite for their efficient day-to-day use to minimize polymer waste Herein, a surfactant (or additive)-free method is reported for the synthesis of a processable and degradable aliphatic open-pore porous polyelectrolyte monolith for the removal of gaseous pollutants such as iodine and CO2 This is achieved via a colloidal templating method In the 1st stage, cationic colloidal nanoparticles containing reactive amines and acrylamide groups were formed via the phase separation of hyperbranched polyaminoamides in water (sol) These cationic nanoparticles (which acted as both templates and macromers) further reacted to form a gel, which upon freeze-drying leads to the formation of a polymer monolith with an open-pore porous morphology and hierarchical porosity throughout its structure During gelation, the shape of the monolith can be controlled using suitable templates and a similar strategy was used to prepare porous thin films The monolith has shown excellent iodine adsorption ability (5000 mg g−1 in the vapor phase and 2663 mg g−1 in the solution phase) with good reusability and CO2 adsorption ability (60 mg g−1), with CO2/CH4 and CO2/N2 selectivities of 185 and 67, respectively The degradability of the materials was studied in detail at different pH, confirming their easy degradability in aqueous solutions and a higher degradability at basic pH
7 citations
TL;DR: In this paper , an isocyanate and phosgene-free synthesis of high molecular weight fluorescent polyurea (Mn > 150,000) is reported via triazolinedione (TAD)-indole click reactions.
3 citations
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TL;DR: In this article, a ternary nanocomposite FCG (α-Fe2O3/CdS/g-C3N4) was synthesized through the hydrothermal route via a solid-state method.
Abstract: We report dual Z-Scheme-derived photocatalysts to increae photocatalytic efficiency towards the degradation of organic pollutants in aqueous suspension with atmospheric oxygen under visible light irradiation. A ternary nanocomposite FCG (α-Fe2O3/CdS/g-C3N4) have been synthesized through the hydrothermal route via a solid-state method, which was characterized by XRD (X-ray diffraction), SEM (scanning electron microscopy), FT-IR (Fourier transforms IR spectroscopy), DRS (UV–vis diffuse reflectance spectroscopy), and XPS (X-ray photoelectron spectroscopy). The absorption edge of FCG ternary nanocomposites showed a bathochromic shift as paralleled to the pure CdS, α-Fe2O3, g-C3N4, and CdS/g-C3N4 (binary nanocomposite). The photocatalyst 5 wt% α-Fe2O3/CdS/g-C3N4 ternary nanocomposite (5 wt% FCG) showed substantial photocatalytic performance towards methylene blue (MB) and rhodamine B (RhB) dye degradation in aqueous suspension using visible light irradiation. The improved photocatalytic response may be accredited to sustained charge separation ability via a double Z-Scheme charge transmission procedure, as evident by the accumulation of α-Fe2O3 and CdS on the g-C3N4 surface. Also, a dark adsorption study was performed wherein the recorded adsorption kinetics of RhB and MB indicate pseudo-second-order in both cases. The synthesized 5 wt% FCG nanocomposite is anticipated to have countless abilities in photocatalytic performance and adsorption study as well.
31 citations
TL;DR: In this article, a series of nanocomposites consisting of different weight percentages of nickel-doped ZnS (Ni-ZnS)/graphitic-C3N4 (g-C 3N4) have been synthesized via solid-state calcination of a mixture of pure g-C4N4 and 10% Ni-ZnsS. The proposed solid state method is simple and provides a general route to make composite photocatalysts on a large scale.
28 citations
TL;DR: In this paper, a ternary nanocomposites Co@ZnSQDs/g-C3N4/MWCNT (Co-ZGM) with different mass ratios were successfully prepared by thermal impregnation technique.
24 citations
TL;DR: In this article, a functional metal-containing polymer hydrogel was prepared by covalently cross-linking N-isopropylacrylamide using a new metalla-aromatic complex as the crosslinking agent, based on which excellent photothermal properties were obtained under NIR laser irradiation.
15 citations
TL;DR: In this article , the authors highlight the latest progress achieved in the design and construction of hyperbranched polymers (HPs) with high adsorption potentials, and evaluate the adsorbing efficiency of the constructed HPs and compared their performance with other such systems.
15 citations