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Ritesh Haldar

@Rh8612

Associate Professor at TIFRHyderabad, Mostly science and related stuffs, interested in chemistry of materials, photochemistry

 India
riteshhaldar-tifrh.com
Joined April 2018
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Latest preprint on #biomarker analysis using #microvolume serum using #MOF-coated device @TIFRH_buzz "Spatially programmed MOF-coated microchannels for capillary-driven microvolume analysis" | ChemRxiv chemrxiv.org/doi/full/10.264…

Spatially programmed MOF-coated microchannels for capillary-driven microvolume analysis | ChemRxiv

Metal–organic frameworks (MOFs) and covalent organic frameworks (COFs) offer chemically and geometrically programmable pore environments that have been exploited as coatings for capillary- and...

chemrxiv.org
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Preprint on ion-selective #composite #membranes #osmotic potential @TIFRH_buzz @KArchana_y "pH-responsive nanopores enable programmable transmembrane potential" | ChemRxiv chemrxiv.org/doi/full/10.264…

pH-responsive nanopores enable programmable transmembrane potential | ChemRxiv

Biological ion channels achieve highly selective, ultrafast ion transport through stimulus-responsive gating, in which conformational changes triggered by chemical cues such as pH that modulate...

chemrxiv.org
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Nesting Charge Traps in Nanoporous Photoresponsive Thin Film Enables Molecular Recognition - @TIFRH_buzz onlinelibrary.wiley.com/doi/…
Nesting Charge Traps in Nanoporous Photoresponsive Thin Film Enables Molecular Recognition

Nesting Charge Traps in Nanoporous Photoresponsive Thin Film Enables Molecular Recognition

Introduction of charge traps at the nanopore surface of a photoresponsive metal–organic framework thin film enables molecular recognition that is transduced through photocurrent readout.

onlinelibrary.wiley.com
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Our latest preprint on designing new sensors; @TIFRH_buzz Nesting Charge Traps in Nanoporous Photoresponsive Thin Film Enables Molecular Recognition | ChemRxiv - go.shr.lc/44he4fE

Nesting Charge Traps in Nanoporous Photoresponsive Thin Film Enables Molecular Recognition |...

The void space of a metal-organic framework (MOF) can, in principle, be chemically programmed to engage selectively with guest molecules through geometric complementarity or specific non-covalent...

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#postdoc @TIFRH_buzz @Jmondal_tifrh
Image from Ritesh Haldar (@Rh8612)
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Our latest work on #Photochargeable Gas Permselective #Membrane -@Arun Manna @TIFRH_buzz in @angew_chem, a great team effort, illustrating localised charge generated by light in nano pore can enhance gas #permselectivity onlinelibrary.wiley.com/doi/…
Photochargeable Nanopores in Gas Permselective Membrane

Photochargeable Nanopores in Gas Permselective Membrane

Using redox-active metal-organic framework, a photochargeable CO2 permselective mixed-matrix membrane is realized. Photocharging leads to enhanced CO2/N2 and CO2/CH4 permselectivity.

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We report Spatial functionality gradient in ZIF-8 thin film membrane - in the 15th Anniversary: Chemical Science Leading Investigator Collection pubs.rsc.org/en/content/arti… @TIFRH_buzz Archana Yadav
Spatial functionality gradient in a ZIF-8 thin film membrane

Spatial functionality gradient in a ZIF-8 thin film membrane

Zeolitic imidazolate framework-8 (ZIF-8), constructed from Zn2+ ions and 2-methylimidazole (mIm) linkers, is widely recognized for its excellent thermal an

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Our latest preprint reports simultaneous enhancement in #diffusion and selectivity for branched aliphatic isomers. #correlated dynamics of adsorbate and nanopore window in action, #Engineering of nanopore window, @TIFRH_buzz | ChemRxiv - go.shr.lc/4fYnDEI

Engineered dynamic configuration of nanopores to access enhanced diffusion and selectivity for...

Molecular diffusion in porous solids (metal-organic and covalent organic frameworks, zeolites) can be regulated by engineering the chemical environment of the nanochannels. Selective chemical...

chemrxiv.org
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Latest preprint @TIFRH_buzz :pore surface charging enhances #gas permselectivity w/o altering the pore geometry. #Photochargaeble gas separation #membrane "Light-activated charged nanopores in gas permselective membrane" #CO2/N2 #CO2/CH4 separation - go.shr.lc/3RxC8Ek

Light-activated charged nanopores in gas permselective membrane | ChemRxiv

Gas permselective membranes are inherently constrained by a trade-off between permeability and selectivity. Overcoming this limitation is key to enabling broader industrial adoption, and advanced...

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We are delighted to share our latest work on diffusion controlled catalysis in #MOF @TIFRH_buzz @SuvenduPanda99 @Jmondal_tifrh rdcu.be/d8qTJ
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In this collaborative work we demonstrate regulated charge transfer in donor-acceptor MOF thin film for high efficacy photodetector -@KITKarlsruhe @TIFRH_buzz @NantesUniv Zhiyun Xu👏now published in Angewandte Chemie onlinelibrary.wiley.com/doi/…
Regulated Charge Transfer in Donor‐Acceptor Metal–Organic Frameworks for Highly‐Sensitive Photode...

Regulated Charge Transfer in Donor‐Acceptor Metal–Organic Frameworks for Highly‐Sensitive Photode...

A layer-by-layer approach is used to grow naphthalenediimide-based donor-acceptor MOF thin films for efficient free charge generation in response to light. Interestingly, we find that the optimum...

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We present a chemical approach for designing nanoporous thin films that precisely control #diffusion selectivity of #haloalkane isomers, collaborative effort with @Jmondal_tifrh and Soumya Ghosh group @TIFRH_buzz Now published in @NatureComms link: nature.com/articles/s41467-0…
Steering diffusion selectivity of chemical isomers within aligned nanochannels of metal-organic...

Steering diffusion selectivity of chemical isomers within aligned nanochannels of metal-organic...

Nature Communications - Controlling chemical isomer diffusion in nanoporous metal-organic framework is key for separation and catalysis. Here, the authors leverage dynamic chemical interactions to...

nature.com
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This work offers a new toolkit for creating nanochannels tailored for #membrane-based chemical separations
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First one on #membrane #gas separation @TIFRH_buzz lead by Susmita Kundu @SuvenduPanda99 @tanmoym43898254 Anisotropic pores and chemically crosslinked interface in #mof membrane to enhance #CO2 /N2 permselectivity chemistry-europe.onlinelibra…
Anisotropic Porosity and Interface Synergy Enhanced Gas Permselectivity in Heterolayer Metal‐Orga...

Anisotropic Porosity and Interface Synergy Enhanced Gas Permselectivity in Heterolayer Metal‐Orga...

An anisotropic heterolayer metal-organic framework (MOF) membrane, composed of UiO-66-NH2 and ZIF-8, is synthesized using a sequential growth strategy. The membrane's pore anisotropy (ranging from...

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Preprint "Diffusion-programmed catalysis in nanoporous material " is online. A crossflow microfluidic reactor is developed to access highest possible TOF and size-selectivity using MOF cat @TIFRH_buzz @SuvenduPanda99 @TanmoyM43898254 #Catalysis ChemRxiv-go.shr.lc/4bXtUNs

Diffusion-programmed catalysis in nanoporous material | ChemRxiv

In the realm of heterogeneous catalysis, the diffusion of reactants into catalytically active sites stands as a pivotal determinant influencing both turnover frequency and geometric selectivity in...

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#PhDposition @TIFRH_buzz For NET/GATE/JAM qualified #Chemistry students interested in #materials, #computational chemistry, #chemical biology, #biophysics #Spectroscopy do apply by 10th of May, 2024
Image from Ritesh Haldar (@Rh8612)
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#postdocposition @TIFRH_buzz We are looking for a postdoctoral researcher (0-2y after PhD) in material science, with a strong background in organic synthesis. Please contact us at [email protected] before 30th June, 2024 Do visit riteshhaldar-tifrh.com/ for details

Home | My Site

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Checkout our preprint on #membrane-based gas separation, "Anisotropic porosity and interface synergy enhanced gas permselectivity in heterolayer metal-organic framework membrane" | @TIFRH_buzz ChemRxiv - go.shr.lc/4bep9z7

Anisotropic porosity and interface synergy enhanced gas permselectivity in heterolayer metal-orga...

The pursuit of sustainable, carbon-free separation technology hinges on the efficient separation of gas mixtures with high separation factors and flow rates, i.e. high permselectivity. However,...

chemrxiv.org
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Take a look at our most recent work #preprint on @researchsquare: Steering diffusion selectivity of chemical isomers within aligned nanochannels of metal-organic framework thin film @Jmondal_tifrh @SoumyaG22 researchsquare.com/article/r…
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Replying to @SuvenduPanda99
@SuvenduPanda99 Susmita @Pratibha__31 present a simple method for producing functionalized UiO-66 MOF-on-MOF thin films at rt, this approach can be used for designing new functionally anisotropic membranes @TIFRH_buzz just published @ChemicalScience pubs.rsc.org/en/content/arti…
Leveraging metal node-linker self-assembly to access functional anisotropy of zirconium-based...

Leveraging metal node-linker self-assembly to access functional anisotropy of zirconium-based...

Chemically robust, functional porous materials are imperative for designing novel membranes for chemical separation and heterogeneous catalysts. Among the

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Nanographene‐Based Metal‐Organic Framework Thin Films as Efficient Photodetector - collaborative work with @KITKarlsruhe Uni Nantes @TIFRH_buzz Zhiyun Xu just published in Advanced Functional Materials onlinelibrary.wiley.com/doi/…
Nanographene‐Based Metal‐Organic Framework Thin Films: Optimized Packing and Efficient Electron‐H...

Nanographene‐Based Metal‐Organic Framework Thin Films: Optimized Packing and Efficient Electron‐H...

Novel hexa-peri-hexabenzocoronene (HBC) chromophore-based metal-organic framework (MOF) thin films are synthesized by using a layer-by-layer synthesis method. Cu-HBC thin film exhibits excellent...

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