01326nas a2200157 4500008004100000245013300041210006900174260000800243300001600251520069100267100002100958700002000979700002400999700001701023856012801040 2011 eng d00aCompetitive binding of Ba2+and Sr2+ to 18-crown-6 in a receptor with a 1-methoxyanthraquinone analogue as the other binding site0 aCompetitive binding of Ba2and Sr2 to 18crown6 in a receptor with cOCT a4680–46903 a

Owing to their immense biological significance, development of sensors for the selective detection of alkaline earth metal ions has attracted vast research interest. In this article we have reported the synthesis, characterisation and ion binding studies of a new RuII-polypyridyl-crown-anthraquinone complex (5). Studies confirm selective binding of BaII, SrII and CaII ions, with Kmath image > Kmath image >> Kmath image, over all other metal ions, to the crown ether moiety and not to the methoxy anthraquinone component, the latter being the second binding site available and known for its affinity towards alkaline earth metal ions from one of our previous reports.

1 aBanerjee, Tanmay1 aSuresh, Moorthy1 aGhosh, Hirendra, N.1 aDas, Amitava uhttps://library.ncl.res.in/content/competitive-binding-ba2and-sr2-18-crown-6-receptor-1-methoxyanthraquinone-analogue-other01186nas a2200193 4500008004100000245012700041210006900168260000800237300001400245490000800259520048300267100001800750700001800768700001700786700002100803700002300824700001700847856012800864 2011 eng d00aDiamine derivative of a ruthenium(II)-polypyridyl complex for chemodosimetric detection of nitrite ion in aqueous solution0 aDiamine derivative of a rutheniumIIpolypyridyl complex for chemo cFEB a115–1190 v3723 a

Nitrite is quite an abundant anion in the environment. It, however, becomes toxic to human life, as well as aquatic animals when present above the permissible concentration level. We have reported here a Ru(II)-polypyridyl-based complex (1) for chemodosimetric detection of nitrite ion in aqueous solution. Formation of the new triazole based complex, generated by reaction of 1 and N2O3, is ascertained by comparing its properties with a presynthesised triazole complex.

1 aGhosh, Amrita1 aDas, Priyadip1 aSaha, Sukdeb1 aBanerjee, Tanmay1 aBhatt, Harshad, B.1 aDas, Amitava uhttps://library.ncl.res.in/content/diamine-derivative-rutheniumii-polypyridyl-complex-chemodosimetric-detection-nitrite-ion02457nas a2200157 4500008004100000245019700041210006900238260000800307300001600315520175900331100002102090700002202111700001702133700002602150856012302176 2011 eng d00aInterfacial electron transfer dynamics of two newly synthesized catecholate bound ruII polypyridyl-based sensitizers on TiO2 nanoparticle surface - a femtosecond pump probe spectroscopic study0 aInterfacial electron transfer dynamics of two newly synthesized  cSEP a4187–41973 a

Two new catecholate-bound RuII–polypyridine based sensitizers, (2,2′-bipyridine){ethyl 3-(4-hydroxyphenyl)-2-[(4′-methyl-2,2′-bipyridinyl-4-carbonyl)amino]propionate}{4-[2-(4′-methyl-2,2′-bipyridinyl-4-yl)vinyl]benzene-1,2-diol)}ruthenium(II) hexafluorophosphate (5) and [(2,2′-bipyridine)-(4-2,2′-bipyridinyl-4-yl-phenol)-(4-{2-(4′-methyl-2,2′-bipyridinyl-4-yl)vinyl}benzene-1,2-diol)]ruthenium(II) hexafluorophosphate (6) with secondary electron-donating groups (tyrosine and phenol, respectively) were synthesized and characterized. Steady-state optical absorption and emission studies confirm strong coupling between the sensitizers and TiO2 nanoparticles. Femtosecond visible transient absorption spectroscopy has been employed to study interfacial electron transfer (IET) dynamics in the dye–nanoparticle systems to explore the influence of the secondary electron-donating groups on IET dynamics. Electron injection into the conduction band of nanoparticulate TiO2 has been confirmed by detection of the conduction band electrons in TiO2 ([e–]TiO2CB) and radical cation of the adsorbed dye (D·+) in real time monitored by transient absorption spectroscopy. A single exponential and pulse-width limited (< 100 fs) electron injection has been observed. Back electron transfer (BET) dynamics have been studied by monitoring the decay kinetics of the injected electron in the conduction band of TiO2 and by the recovery of the ground state bleach. BET dynamics in dye–TiO2 systems for complexes 5 and 6 have been compared with those of [bis(2,2′-bpy)-(4-{2-(4′-methyl-2,2′-bipyridinyl-4-yl)vinyl}benzene-1,2-diol)]ruthenium(II) hexafluorophosphate (7), which does not have a secondary electron-donating group.

1 aBanerjee, Tanmay1 aRawalekar, Sachin1 aDas, Amitava1 aGhosh, Hirendra, Nath uhttps://library.ncl.res.in/content/interfacial-electron-transfer-dynamics-two-newly-synthesized-catecholate-bound-ruii01715nas a2200205 4500008004100000245010600041210006900147260000800216300001400224490000800238520099700246100001801243700002201261700001801283700002401301700002101325700001701346700001701363856012901380 2011 eng d00aUrea/thiourea derivatives and Zn(II)-DPA complex as receptors for anionic recognition-a brief account0 aUreathiourea derivatives and ZnIIDPA complex as receptors for an cOCT a175–1860 v1233 a

This review covers few examples of anion complexation chemistry, with a special focus on urea/thiourea-based receptors and Zn(II)-dipicolyl amine-based receptors. This article specially focuses on structural aspects of the receptors and the anions for obtaining the desire specificity along with an efficient receptor–anion interaction. Two types of receptors have been described in this brief account; first one being the strong hydrogen bond donor urea/thiourea derivatives, which binds the anionic analytes through hydrogen bonded interactions; while, the second type of receptors are coordination complexes, where the coordination of the anion to the metal centre. In both the cases the anion binding modulate the energy gap between the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) and thereby the spectroscopic response. Appropriate choice of the signalling unit may allow probing the anion binding phenomena through visual detection.

1 aDas, Priyadip1 aMahato, Prasenjit1 aGhosh, Amrita1 aMandal, Amal, Kumar1 aBanerjee, Tanmay1 aSaha, Sukdeb1 aDas, Amitava uhttps://library.ncl.res.in/content/ureathiourea-derivatives-and-znii-dpa-complex-receptors-anionic-recognition-brief-account02251nas a2200205 4500008004100000245015200041210006900193260000800262300001400270490000700284520148800291100001901779700002101798700001901819700001401838700001701852700002301869700002401892856012901916 2012 eng d00aPhotosensitization of nanoparticulate TiO2 using a Re(I)-polypyridyl complex: studies on interfacial electron transfer in the ultrafast time domain0 aPhotosensitization of nanoparticulate TiO2 using a ReIpolypyridy cAPR a8192-81980 v143 a

We have synthesized a new photoactive rhenium(I)-complex having a pendant catechol functionality [Re(CO)3Cl(L)] (1) (L is 4-[2-(4′-methyl-2,2′-bipyridinyl-4-yl)vinyl]benzene-1,2-diol) for studying the dynamics of the interfacial electron transfer between nanoparticulate TiO2 and the photoexcited states of this Re(I)-complex using femtosecond transient absorption spectroscopy. Our steady state absorption studies revealed that complex 1 can bind strongly to TiO2 surfaces through the catechol functionality with the formation of a charge transfer (CT) complex, which has been confirmed by the appearance of a new red-shifted CT band. The longer wavelength absorption band for 1, bound to TiO2 through the proposed catecholate functionality, could also be explained based on the DFT calculations. Dynamics of the interfacial electron transfer between 1 and TiO2 nanoparticles was investigated by studying kinetics at various wavelengths in the visible and near infrared regions. Electron injection into the conduction band of the nanoparticulate TiO2 was confirmed by detection of the conduction band electron in TiO2 (Image ID:c2cp24105f-t1.gif) and the cation radical of the adsorbed dye (1˙+) in real time as monitored by transient absorption spectroscopy. A single exponential and pulse-width limited (<100 fs) electron injection was observed. Back electron transfer dynamics was determined by monitoring the decay kinetics of 1˙+ and Image ID:c2cp24105f-t2.gif.

1 aKar, Prasenjit1 aBanerjee, Tanmay1 aVerma, Sandeep1 aSen, Anik1 aDas, Amitava1 aGanguly, Bishwajit1 aGhosh, Hirendra, N. uhttps://library.ncl.res.in/content/photosensitization-nanoparticulate-tio2-using-rei-polypyridyl-complex-studies-interfacial01847nas a2200181 4500008004100000245009700041210006900138260000800207300001600215490000600231520119900237100001901436700001901455700002101474700001701495700002401512856012901536 2012 eng d00aSequential energy and electron transfer in polynuclear complex sensitized TiO2 nanoparticles0 aSequential energy and electron transfer in polynuclear complex s cMAY a1543–15480 v33 a

Polynuclear–polypyridyl complexes exhibit a directional energy-transfer property that can improve their photosensitization activity. In the present work, the energy-transfer process is explored in a trinuclear Ru2∧Os1 complex using transient absorption spectroscopy. This study reveals an efficient excitation energy transfer from the terminal (RuII complex) to the core (OsII complex) region in the ultrafast time domain (400 fs–40 ps). The excitation energy funnel is useful in improving the functionalized core activity. This is evidenced in an interfacial electron-transfer study of Ru2∧Os1, Ru2∧Ru1, and Os1 complex sensitized TiO2 nanoparticle (TiO2 NP) systems. The intramolecular energy transfer causes sequential excitation of the core part of the Ru2∧Os1 complex, which leads to multiexponential electron injection into TiO2 NP. Besides this, the electronic coupling between the metal ion centers stabilizes the positive charge within the trinuclear complex, which results in a slow charge recombination reaction. This study shows that polynuclear complexes can be very useful for their panchromatic effects, unidirectional energy- and electron-transfer properties.

1 aVerma, Sandeep1 aKar, Prasenjit1 aBanerjee, Tanmay1 aDas, Amitava1 aGhosh, Hirendra, N. uhttps://library.ncl.res.in/content/sequential-energy-and-electron-transfer-polynuclear-complex-sensitized-tio2-nanoparticles01373nas a2200169 4500008004100000022001400041245014300055210006900198260011000267300001400377490000700391520061500398100002101013700001701034700002401051856012801075 2013 eng d a1144-054600aInterfacial charge recombination of Os(II)-polypyridyl-resorcinol complex on oleic acid capped TiO2 surface: what determines the dynamics?0 aInterfacial charge recombination of OsIIpolypyridylresorcinol co aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcJUL a3100-31080 v373 a

Femtosecond transient absorption spectroscopic studies of an osmium(II)-polypyridyl-resorcinol complex, 1, on oleic acid capped TiO2 have been carried out and the results have been compared with our previous studies on poly(vinyl) alcohol capped TiO2. While on both these surfaces the complex exhibits a single exponential <120 fs injection, the back electron transfer reaction is slower on the oleic acid capped TiO2 surface early on while it is faster on the same surface at longer times than on poly(vinyl)alcohol capped TiO2. The probable origin of these disparate observations has been analyzed.

1 aBanerjee, Tanmay1 aDas, Amitava1 aGhosh, Hirendra, N. uhttps://library.ncl.res.in/content/interfacial-charge-recombination-osii-polypyridyl-resorcinol-complex-oleic-acid-capped-000989nas a2200205 4500008004100000022001400041245012900055210006900184260011000253300001400363490000700377520015100384100002300535700002100558700001500579700002100594700002300615700001700638856012800655 2013 eng d a1359-734500aNew receptor with a FRET based fluorescence response for selective recognition of fumaric and maleic acids in aqueous medium0 aNew receptor with a FRET based fluorescence response for selecti aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcAUG a9818-98200 v493 a

Preferential binding of a new reagent to fumaric acid could be utilized for its estimation in aqueous medium and in commercial fruit juice.

1 aReddy, Upendar, G.1 aLo, Rabindranath1 aRoy, Sovan1 aBanerjee, Tanmay1 aGanguly, Bishwajit1 aDas, Amitava uhttps://library.ncl.res.in/content/new-receptor-fret-based-fluorescence-response-selective-recognition-fumaric-and-maleic-002017nas a2200169 4500008004100000245020800041210006900249260000800318300001600326490000800342520127700350100002101627700002701648700001701675700002601692856012901718 2013 eng d00aNewly designed resorcinolate binding for Ru(II)- and Re(I)- polypyridyl complexes on oleic acid capped tio2 in non-aqueous solvent: prolonged charge separation and substantial thermalized 3MLCT injection0 aNewly designed resorcinolate binding for RuII and ReI polypyridy cJAN a3084–30920 v1173 a

Femtosecond pump–probe spectroscopic studies on a series of newly synthesized resorcinol-based Ru(II) and Re(I) complexes on oleic acid capped TiO2 nanoparticles have been carried out in chloroform, and the results are compared with those of the catechol analogues. The ruthenium complex shows biexponential injection; the second component arises due to injection from the thermally equilibrated 3MLCT states as a result of a weaker strength of the resorcinolate binding. Also, in comparison with catechol binding, as a result of a greater diffusion of the injected electrons into TiO2, the back electron transfer (BET) is slowed down significantly for the ruthenium complex. These are distinctive observations for any mononuclear ruthenium–polypyridyl–enediol complex reported thus far. However, the rhenium complex educes single exponential ultrafast injection (<120 fs) because of apparent injection in a high density of states and shows the most prominent results with ∼50% slowdown in the charge recombination rate as compared to the analogous catechol bound system. These results exemplify the probable development of highly capable sensitizer dyes with resorcinol as the anchoring group for the development of efficient dye-sensitized solar cells.

1 aBanerjee, Tanmay1 aKaniyankandy, Sreejith1 aDas, Amitava1 aGhosh, Hirendra, Nath uhttps://library.ncl.res.in/content/newly-designed-resorcinolate-binding-ruii-and-rei-polypyridyl-complexes-oleic-acid-capped01835nas a2200169 4500008004100000245017600041210006900217260000800286300001600294490000700310520113300317100002101450700002701471700001701498700002601515856012401541 2013 eng d00aSynthesis, steady-state, and femtosecond transient absorption studies of resorcinol bound ruthenium(ii)- and osmium(ii)-polypyridyl complexes on nano-TiO2 surface in water0 aSynthesis steadystate and femtosecond transient absorption studi cAPR a5366–53770 v523 a

The synthesis of two new ruthenium(II)- and osmium(II)-polypyridyl complexes 3 and 4, respectively, with resorcinol as the enediol anchoring moiety, is described. Steady-state photochemical and electrochemical studies of the two sensitizer dyes confirm strong binding of the dyes to TiO2 in water. Femtosecond transient absorption studies have been carried out on the dye–TiO2 systems in water to reveal <120 fs and 1.5 ps electron injection times along with 30% slower back electron transfer time for the ruthenium complex 3. However, the corresponding osmium complex 4 shows strikingly different behavior for which only a <120 fs ultrafast injection is observed. Most remarkably, the back electron transfer is faster as compared to the corresponding catechol analogue of the dye. The origin and the consequences of such profound effects on the ultrafast interfacial dynamics are discussed. This Article on the electron transfer dynamics of the aforesaid systems reinforces the possibility of resorcinol being explored and developed as an extremely efficient binding moiety for use in dye-sensitized solar cells.

1 aBanerjee, Tanmay1 aKaniyankandy, Sreejith1 aDas, Amitava1 aGhosh, Hirendra, Nath uhttps://library.ncl.res.in/content/synthesis-steady-state-and-femtosecond-transient-absorption-studies-resorcinol-bound02182nas a2200205 4500008004100000022001400041245016400055210006900219260011000288300001600398490000700414520129900421100002101720700002401741700002401765700002301789700001701812700002601829856012101855 2014 eng d a1477-922600aNew Ru(II)/Os(II)-polypyridyl complexes for coupling to TiO2 surfaces through acetylacetone functionality and studies on interfacial electron-transfer dynamics0 aNew RuIIOsIIpolypyridyl complexes for coupling to TiO2 surfaces  aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcSEP a13601-136110 v433 a

New Ru(II)- and Os(II)-polypyridyl complexes have been synthesized with pendant acetylacetone (acac) functionality for anchoring on nanoparticulate TiO2 surfaces with a goal of developing an alternate sensitizer that could be utilized for designing an efficient dye-sensitized solar cell (DSSC). Time-resolved transient absorption spectroscopic studies in the femtosecond time domain have been carried out. The charge recombination rates are observed to be very slow, compared with those for strongly coupled dye molecules having catechol as the anchoring functionality. The results of such studies reveal that electron-injection rates from the metal complex-based LUMO to the conduction band of TiO2 are faster than one would expect for an analogous complex in which the chromophoric core and the anchoring moiety are separated with multiple saturated C-C linkages. Such an observation is rationalized based on computational studies, and a relatively smaller spatial distance between the dye LUMO and the TiO2 surface accounted for this. Results of this study are compared with those for analogous complexes having a gem-dicarboxy group as the anchoring functionality for covalent binding to the TiO2 surface to compare the role of binding functionalities on electron-transfer dynamics.

1 aBanerjee, Tanmay1 aBiswas, Abul, Kalam1 aSahu, Tuhin, Subhra1 aGanguly, Bishwajit1 aDas, Amitava1 aGhosh, Hirendra, Nath uhttps://library.ncl.res.in/content/new-ruiiosii-polypyridyl-complexes-coupling-tio2-surfaces-through-acetylacetone-002116nas a2200217 4500008004100000022001400041245019300055210006900248260007100317300001400388490000800402520119800410100002101608700002401629700002301653700002401676700001701700700002301717700002601740856013201766 2014 eng d a1932-744700aSuperior grafting and state-of-the-art interfacial electron transfer rates for newly designed geminal dicarboxylate bound ruthenium(II)- and osmium(II)-polypyridyl dyes on TiO2 nanosurface0 aSuperior grafting and stateoftheart interfacial electron transfe a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcFEB a3864-38770 v1183 a

Two new Ru(II)-/Os(II)-polypyridyl based sensitizer dyes with geminal dicarboxylic acid group as the binding unit for superior grafting of the dye to TiO2 have been designed and synthesized. Steady-state photochemical studies of the two sensitizer dyes in presence of TiO2 in water confirm strong binding of the dyes to TiO2. Femtosecond transient absorption studies of these newly synthesized dyes on TiO2 nanosurface have been carried out in water and the results have been compared with those for the corresponding 4,4'-dicarboxy-2,2'-bipyridine analogues of the dyes. While the charge recombination rates are considerably slower, interestingly, the electron injection rates are very fast for multiple saturated C-C linkages present between the chromophoric core and the anchoring moiety. The origin and the consequences of such profound effects on the ultrafast interfacial dynamics are discussed. This is the first report on the ultrafast transient absorption studies of dyes with geminal dicarboxylic acid binding groups, which we believe will add significantly to the present research efforts toward the development of robust and efficient dyes for use in dye solar applications.

1 aBanerjee, Tanmay1 aBiswas, Abul, Kalam1 aReddy, Upendar, G.1 aSahu, Tuhin, Subhra1 aDas, Amitava1 aGanguly, Bishwajit1 aGhosh, Hirendra, Nath uhttps://library.ncl.res.in/content/superior-grafting-and-state-art-interfacial-electron-transfer-rates-newly-designed-geminal-002075nas a2200193 4500008004100000022001400041245019500055210006900250260007100319300001400390490000800404520123700412100002001649700001801669700002101687700001701708700002401725856013201749 2015 eng d a1932-744700aUltrafast electron injection, hole transfer, and charge recombination dynamics in cdse QD super-sensitized Re(I)-polypyridyl complexes with catechol and resorcinol moiety: effect of coupling0 aUltrafast electron injection hole transfer and charge recombinat a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcFEB a3522-35290 v1193 a

Ultrafast charge-transfer dynamics have been demonstrated in CdSe quantum dots (QD) using two Re(I)-polypyridyl complexes having pendent catechol (Re1,2) and resorcinol (Re1,3) as the sensitizer molecules. The energy level diagram of CdSe QD and Re1,2 and Re1,3 sensitizer reveals that photoexcited hole of CdSe QD can be transferred to both Re1,2 and Re1,3 molecule, and photoexcited Re1,2 and Re1,3 can inject electron in the conduction band, which has been confirmed by steady-state and time-resolved photoluminescence studies with selective photoexcitation. Femtosecond transient absorption studies have been carried out to monitor charge-transfer dynamics in early time scale. Transient absorption spectra show formation of cation radicals for both Re1,2 and Re1,3 in the 550-650 nm region with a peak at 590 nm region and broad absorption in the 650-1000 nm region, which can be attributed to photoexcited electron in the conduction band of CdSe QD. Charge recombination was determined by monitoring the decay of cation radicals as well as decay of an electron and found to be slower in the Re1,3/CdSe system as compared to that of the Re1,2/CdSe system, which is due to weaker electronic coupling in the former system.

1 aDebnath, Tushar1 aMaity, Partha1 aBanerjee, Tanmay1 aDas, Amitava1 aGhosh, Hirendra, N. uhttps://library.ncl.res.in/content/ultrafast-electron-injection-hole-transfer-and-charge-recombination-dynamics-cdse-qd-super-002663nas a2200193 4500008004100000022001400041245013100055210006900186260007100255300001600326490000800342520188900350100001802239700002002257700002102277700001702298700002402315856013002339 2016 eng d a1932-744700aCharge delocalization in the cascade band structure CdS/CdSe and CdS/CdTe core-shell sensitized with Re(I)-polypyridyl complex0 aCharge delocalization in the cascade band structure CdSCdSe and  a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcMAY a10051-100610 v1203 a

Charge-carrier dynamics of CdS quantum dot (QD) and CdS/CdSe type-I and CdS/CdTe type-II core shell nanocrystals (NCs) sensitized with a Re(I)-polypyridyl complex have been carried with special emphasis on studies on carrier delocalization and the role of Re-complex as a hole acceptor and sensitizer molecule. Our investigation confirmed photoexcited hole transfer from CdS and CdS/CdSe to the Re-complex, while no hole transfer was observed in the CdS/CdTe Re-complex system. This was rationalized by the evaluation of the relative energy levels, which revealed that such hole migration was not energetically favorable due to low-lying highest occupied molecular orbital (HOMO) of the Re-complex as compared with the valence band (VB) of CdTe shell; however, luminescence quenching from upper excited states of Re-complex was observed in the presence of all three QD and core shell systems, which has been attributed to electron injection from hot state (energetically higher than the LUMO state) of the Re-complex to the conduction band (CB) of the QDs. Transient absorption (lambda(pump) = 400 nm, lambda(probe) = 450-750 nm) spectra recorded for Re complex-sensitized CdS and CdS/CdSe composite in the femtosecond time domain revealed a broad transient absorption band in the 580-750 nm region with a peak around 595 nm, and this was attributed to the cation radical formation for Re-complex, either by capturing photoexcited hole from the NCs or by injecting electron to the CB of the NCs. As anticipated, no such spectrum was observed for the CdS/CdTe Re-complex composite system after 400 nm excitation. Electron injection from photoexcited Re-complex to CdS QD and CdS/CdSe core shell was found to be <100 fs, while the hole transfer from photoexcited CdS QD and CdS/CdSe core shell to Re-complex took place within the time scale of 900 fs and 2.5 ps, respectively.

1 aMaity, Partha1 aDebnath, Tushar1 aBanerjee, Tanmay1 aDas, Amitava1 aGhosh, Hirendra, N. uhttps://library.ncl.res.in/content/charge-delocalization-cascade-band-structure-cdscdse-and-cdscdte-core-shell-sensitized-rei01050nas a2200337 4500008004100000022001400041245010800055210006900163260000800232300001600240490000700256653001200263653001900275653001500294653001100309653001300320653001200333100001600345700002200361700002200383700001800405700002100423700001800444700002300462700002100485700001800506700001900524700002500543700001700568856012700585 2024 eng d a1944-824400aPurification of waste-generated biogas mixtures using covalent organic framework's high CO2 Selectivity0 aPurification of wastegenerated biogas mixtures using covalent or cAPR a22066-220780 v1610aCAPTURE10aCARBON-DIOXIDE10aEfficiency10aEnergy10aHydrogen10aSTORAGE1 aPaul, Ratul1 aMaibam, Ashakiran1 aChatterjee, Rupak1 aWang, Wenjing1 aMukherjee, Triya1 aDas, Nitumani1 aYellappa, Masapogu1 aBanerjee, Tanmay1 aBhaumik, Asim1 aMohan, Venkata1 aBabaRao, Ravichandar1 aMondal, John uhttps://library.ncl.res.in/content/purification-waste-generated-biogas-mixtures-using-covalent-organic-frameworks-high-co2