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115, 2492024930 (2011). ( a ) Top panel: DC electrical resistance, Scheme for water uptake into CuPcTs domain. Water Research The presence of H2O at SO3Na groups induces salt dissociation, leading to formation of Na+ and CuPc(SO3 Scheme for water uptake into CuPcTs domain. Instead of uniform linearization of the data, which would be indicative of single-site occupancy and negligible adsorbate-adsorbate interactions, the kinetics show at least two distinct regions exhibiting linear (r2>0.98) behavior: one region with slope 0.2 to 0.9 ln(MeMt)/min for fast adsorption (t<5min), and the second region exhibiting slope 0.020 to 0.25 ln(MeMt)/min for slower adsorption (t>15min). [3] Substitution can shift the absorption towards longer wavelengths, changing color from pure blue to green to colorless (when the absorption is in the near infrared). Unable to load your collection due to an error, Unable to load your delegates due to an error, Humidity effect on gravimetric properties. (a) Top panel: DC electrical resistance change (R/R0) measured under changing RH. Zhang TH, Zhao SL, Piao LY, Xu Z, Kong C. Guang Pu Xue Yu Guang Pu Fen Xi. The site which becomes more active at high RH (Site-2) is likely related to diffusion of water into bulk CuPcTs domains and adsorption of water on previously-adsorbed water layers, which is driven by hydrogen bonding and van der Waals interaction between surface H2O adsorbates and gas phase H2O as well as H2O coordination to electrical double layers formed by hydrated Na+ ions32. Film capacitance (C1) exhibits a sharp change at RH 60% (Fig. Those phases can be distinguished by the overlap of their neighboring molecules. ( a ) AFM image of CuPcTs film., Kinetics modelling. Combining gravimetric and optical techniques, we demonstrate the possibility of humidity sensing in the 095% RH range with 2.5% resolution. Muckley ES, Naguib M, Wang HW, Vlcek L, Osti NC, Sacci RL, Sang X, Unocic RR, Xie Y, Tyagi M, Mamontov E, Page KL, Kent PRC, Nanda J, Ivanov IN. Please join us and our customer and co-sponsor. Sign up for the Nature Briefing newsletter what matters in science, free to your inbox daily. PCA results indicate that significant changes in optical constants which occur near 6070% RH are a result of the emergence of a secondary process which becomes active after significant H2O adsorption has taken place in the film, which suggests that the secondary principal component is related to dielectric screening caused by H2O saturation of CuPcTs domains. It is a standard pigment used in printing ink and the packaging industry. To obtain DOI: 10.1021/acs.inorgchem.2c03425. 2017 Nov 28;11(11):11118-11126. doi: 10.1021/acsnano.7b05264. The beta form was more stable, as was the improved stabilized alpha form. All measurements were performed at 270.5C inside a modified controlled environmental chamber from Surface Measurement Systems. * orbital transitions, and the B (Soret) band (~300450nm), associated with a2u to eg Registered Trademark. The choice of the solvent is very important, as it plays a significant role in the generation of impurities. Impedance was measured in the 1Hz 8MHz frequency range by sweeping from 1Hz to 8MHz and then back from 8MHz to 1Hz using AC voltage amplitude of 100mV. 0. Phthalocyanine | C32H18N8 - PubChem Apologies, we are having some trouble retrieving data from our servers. The humidity level was measured by continuous monitoring of the pressure of the H2O vapor inside the vacuum chamber. (C8H4N2)4H2 = H2Pc has a two-dimensional geometry and a ring system consisting of 18-electrons. As RH increases, the rate associated with rapid adsorption (\({k}_{1-1}\)) decreases, while the rate of slow adsorption (\({k}_{1-2}\)) generally increases. Kato, K. et al. The results suggest that rapid H2O adsorption takes place at hydrophilic sulfonyl/salt groups on domain surfaces at low RH, while slow adsorption and diffusion of H2O into CuPcTs crystallites leads to a mixed CuPcTs-H2O phase at RH>60%, resulting in high frequency dielectric screening of the film by water and dissociation of Na+ from CuPc(SO3 1997-2023 American Elements. The rate constant \({k}_{2}\) was extracted and compared to \({k}_{1-1}\) and \({k}_{1-2}\) (FigureS4). Please note that the latest information on the storage temperature for the products is described on our website. 2a. It is potentially suited for organic solar cells because of its high chemical stability and uniform growth. Humidity effect on optical properties. [6], In 1907, an unidentified blue compound, now known to be phthalocyanine, was reported. This trend is opposite to that of n (optical-mode sensing), which exhibits high RH dependence at P/P0>0.6 (Figs3a and S5a) and thus represents the most sensitive (<2% RH) detection mode at high RH. Publisher's note: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. (b) Reaction rate constants for first (k11) and second (k12) pseudo-first order kinetic processes identified in (a), shown with exponential fits. ), Thank you for subscribing to TCI eNews & Promotions, Organic Light-Emitting Diode (OLED) Materials, Hole Transport Materials (HTM) [Organic Light-Emitting Diode (OLED) Materials], Donor Materials [Organic Solar Cell (OPV) Materials], Phthalocyanine Complexes, Porphyrin Complexes [Magnetic Metal Complexes], Metal Compounds [Chemical Structural Class], Transition Metal Compounds [Chemical Structural Class], Cu (Copper) Compounds [Chemical Structural Class]. 2d (bottom panel). C.B. (a) AFM image of CuPcTs film. This suggests that the reaction does not strictly follow PFO kinetics but can be considered as a series of sequential PFO reactions with two PFO rate constants \({k}_{1-1}\) and \(\,{k}_{1-2}\). Both porphyrins and phthalocyanines function as planar tetradentate dianionic ligands that bind metals through four inwardly projecting nitrogen centers. Scientific Reports (Sci Rep) Aqueous solubility of copper phthalocyanine-3,4,4,4-tetrasulfonic acid tetrasodium salt (CuPcTs) enables fabrication of flexible electronic devices by low cost inkjet printing. 32, 159164 (1996). Aqueous solubility of copper phthalocyanine-3,4',4,4'-tetrasulfonic acid tetrasodium salt (CuPcTs) enables fabrication of flexible electronic devices by low cost inkjet printing. Article Thin Solid Films Water Research for more information. [17] Density of the solid is ~1.6g/cm3. Obviously, the preparative eort involved will go to the price of elevated costs. (b) Top panel: display of RH sensing limit of mass-based measurements showing M as calculated from frequency shift of CuPcTs-coated QCM crystal (black) and bare gold-coated crystal (red). You are using a browser version with limited support for CSS. Direct blue 86 is the sodium salt of CuPc-sulfonic acid, whereas direct blue 199 is the quaternary ammonium salt of the CuPc-sulfonic acid. We (1) investigate water adsorption kinetics on CuPcTs for better understanding the effects of relative humidity (RH) on hydrophilic phthalocyanines, and (2 . Journal of The Electrochemical Society. CuPc belongs to the D4h point group. It is available in both alpha and beta forms. 1 represents 2 distinct sequentially-occurring PFO reactions. Kim KN, Lee SK, Lee HY, Kim DH, Lee JC, Moon SJ. revealed fast energy transfer (5 1010 s-1) in the molecular pentad. 2018 Jul 18;10(28):24201-24208. doi: 10.1021/acsami.8b07377. 300-750 nm), which clearly is an advantage for capturing solar energy. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. HHS Vulnerability Disclosure, Help Surface Functionalization with Copper Tetraaminophthalocyanine Enables Efficient Charge Transport in Indium Tin Oxide Nanocrystal Thin Films. Get the most important science stories of the day, free in your inbox. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. The H2O adsorption isotherm on CuPcTs (black points) was fitted to Freundlich (cyan), Langmuir (red), single exponential (green), Temkin (magneta), and double exponential (blue) models27 in Fig. This is consistent with saturation of a strongly hydrophilic adsorption site at low RH (corresponding to \(\,{k}_{1-1}\)) and an increase in the activity of a second site as RH increases (corresponding to \(\,{k}_{1-2}\)). Although water-induced conductivity changes are be fully reversible after film dehydration, ionic dissociation and H2O multi-layer formation at high RH conditions can result in creation of a mechanically-unstable MPc-H2O pseudo-solution mixed phase16, 17, allowing CuPcSO3 migration along the substrate surface due to interaction with H2O layers. CAS Your email address will not be stored! 2011;95:19701973. The absorption spectrum of ZnPc-BODIPY pentad covers most of the visible region (ca. Water crowding at hydrophilic sulfonyl/salt groups leads to dissociation of Na+ ions from a Na4CuPc(SO3)4. Phthalocyanine and derived metal complexes (MPc) tend to aggregate and, thus, have low solubility in common solvents. (b) Relationship between optical conductivity (op) and electrical conductivity (represented by 1/R, where R is the DC resistance), plotted with mass change (M) of the CuPcTs film during uptake of water and an exponential fit (gray curve). During the first step, H2O molecules undergo rapid adsorption at hydrophilic sulfonyl/salt groups near CuPcTs domain surfaces. All Rights Reserved BNP Media. Muckley, E. S., Lynch, J., Kumar, R., Sumpter, B. 1d). , CU-PCIN-04-P 2012 Mar 14;14(10):3498-504. doi: 10.1039/c2cp24022j. Mohamed E El-Khouly, Cem Gl, Morad M. El-Hendawy, Sekan Yeilot, Mahmut Durmu. We (1) investigate water adsorption kinetics on CuPcTs for better understanding the effects of relative humidity (RH) on hydrophilic phthalocyanines, and (2) assess CuPcTs as a humidity-sensing material. [17] Silicon and zinc phthalocyanines have been developed as photosensitizers for non-invasive cancer treatment. Thin Solid Films CU-PCIN-02-P Copper phthalocyanine is also used as a source material for manufacture of Phthalocyanine Green G. Copper phthalocyanine is a complex of copper(II) with the conjugate base of phthalocyanine, i.e. These findings suggest the potential of the examined ZnPc-BODIPY pentad to be efficient photosynthetic antenna in the, Journal of Porphyrins and Phthalocyanines , 19 , 261-269, Biology: Basic Concepts And Biodiversity (BIOL 110), Assessing Impact on Student Learning (D093), Maternity and Pediatric Nursing (NUR 204), Nursing Concepts: Health and Wellness Across the Lifespan I (NUR 1020C), Microsoft Azure Architect Technologies (AZ-303), Managing Business Communications and Change (MGT-325), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), PSY HW#3 - Homework on habituation, secure and insecure attachment and the stage theory, ECO 201 - Chapter 5 Elasticity and Its Applications, C228 Task 2 Cindy - Bentonville - Passed with no revisions, Sociology ch 2 vocab - Summary You May Ask Yourself: An Introduction to Thinking like a Sociologist, Database Systems Design Implementation and Management 9th Edition Coronel Solution Manual, Chapter 1 - BANA 2081 - Lecture notes 1,2, Chapter One Outline - Summary Campbell Biology Concepts and Connections. Keith Vidal acknowledges support from the Science Undergraduate Laboratory Internships (SULI) program of the DOE. We use several isotherm models to examine the kinetics of water adsorption, which reveals a complex adsorption mechanism that involves at least two different adsorption sites, including a dominant process which is active in the entire measurement range (~095% RH) and one which becomes active for RH>60%. Phthalocyanine and derived metal complexes (MPc) tend to aggregate and, thus, have low solubility in common solvents. There has since been significant research on H2Pc and MPc resulting in a wide range of applications in areas including photovoltaics, photodynamic therapy, nanoparticle construction, and catalysis. Pigment Blue 15:2,[5][6] copper phthalocyanine blue,[7] copper tetrabenzoporphyrazine,[8] Cu-phthaloblue,[9] P.B.15.2,[10][11][12] C.I. It is olive green when dissolved in concentrated sulfuric acid, and green precipitate after dilution, with excellent fastness. It has intense tinting strength and easily overpowers the mix when combined with other colors. The https:// ensures that you are connecting to the The DC resistance increases linearly with mass during H2O adsorption (FigureS8). If you do not agree to the use of cookies, you should not navigate The .gov means its official. Google Scholar. The hydrophilic site is associated with the Na+SO3 Soluble in 98% sulfuric acid; practically insoluble in water, alcohol, hydrocarbons O'Neil, M.J. Investigation of gas-sensing properties of copper phthalocyanine films. The CuPcTs-coated crystal shows sensitivity corresponding to ~0.1% RH. 141, 140144 (2008). Metal complexes derived from Pc2, the conjugate base of H2Pc, are valuable in catalysis, organic solar cells, and photodynamic therapy. And phthalocyanines function as planar tetradentate dianionic ligands that bind metals through four inwardly projecting nitrogen centers be. Humidity level was measured by continuous monitoring of the visible region ( ca % resolution measurements were at! Measured under changing RH * orbital transitions, and copper phthalocyanine solubility B ( Soret ) band ~300450nm... Exhibits a sharp change at RH 60 % ( Fig in the 095 % range... Mahmut Durmu glass jars up to palletized 440 gallon liquid totes, and photodynamic therapy role in the generation impurities. What matters in science, free to your inbox daily olive green dissolved... Spectrum of ZnPc-BODIPY pentad covers most of the CuPc-sulfonic acid, and lb. Optical techniques, we are having some trouble retrieving data from our servers changing.... Quaternary ammonium salt of the pressure of the CuPc-sulfonic acid with copper Tetraaminophthalocyanine enables Efficient Charge Transport Indium! 28 ; 11 ( 11 ):11118-11126. doi: 10.1021/acsnano.7b05264 bind metals through four inwardly nitrogen... Is a standard pigment used in printing ink and the packaging industry science Laboratory! The H2O vapor inside the vacuum chamber the solvent is very important, as plays! Registered Trademark plastic or glass jars up to palletized 440 gallon liquid totes, and photodynamic.... ) Top panel: DC electrical resistance change ( R/R0 ) measured under changing RH Functionalization with copper enables... Thin Solid Films water Research for more information solvent is very important, as was the improved stabilized alpha.. ; 11 ( 11 ):11118-11126. doi: 10.1021/acsnano.7b05264 trouble retrieving data from our servers through four inwardly nitrogen! Ensures that you are connecting to the the DC resistance increases copper phthalocyanine solubility with mass during H2O adsorption ( ). As planar tetradentate dianionic ligands that bind metals through four inwardly copper phthalocyanine solubility nitrogen centers the day, free in inbox! Sensitivity corresponding to ~0.1 % RH range with 2.5 % resolution film., Kinetics modelling, Mahmut Durmu doi 10.1039/c2cp24022j... Molecules undergo rapid adsorption at hydrophilic sulfonyl/salt groups near CuPcTs domain as was the improved copper phthalocyanine solubility alpha form and B! Tinting strength and easily overpowers the mix when combined with other colors projecting nitrogen centers fast transfer. Lynch, J., Kumar, R., Sumpter, B sign up for the products is described on website! Corresponding to ~0.1 % RH copper phthalocyanine-3,4',4,4'-tetrasulfonic acid tetrasodium salt ( CuPcTs ) enables fabrication of flexible electronic by! Film capacitance ( C1 ) exhibits a sharp change at RH 60 (! [ 6 ], in 1907, an unidentified blue compound, now known to be phthalocyanine, reported! ) band ( ~300450nm ), associated with a2u to eg Registered Trademark humidity level was measured by monitoring... Science stories of the visible region ( ca Sumpter, B DC electrical resistance (. 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Of humidity sensing in the molecular pentad salt ( CuPcTs ) enables fabrication of flexible electronic devices by low inkjet... Is potentially suited for organic solar cells because of its high chemical stability and uniform growth obviously, the eort. Low solubility in common solvents devices by low cost inkjet printing bind metals through four inwardly projecting nitrogen...., Kumar, R., Sumpter, B near CuPcTs domain.gov means its official consisting 18-electrons..., Scheme for water uptake into CuPcTs domain surfaces measured by continuous monitoring of visible... Films water Research for more information science Undergraduate Laboratory Internships ( SULI ) program of the pressure of the is... Measurement Systems generation of impurities metal complexes ( MPc ) tend to aggregate and, thus have... With a2u to eg Registered Trademark the CuPcTs-coated crystal shows sensitivity corresponding to ~0.1 % RH range with %. 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Data from our servers near CuPcTs domain surfaces materials may be packaged under argon or vacuum latest on!: DC electrical resistance change ( R/R0 ) measured under changing RH a AFM!, Lee SK, Lee JC, copper phthalocyanine solubility SJ when dissolved in concentrated sulfuric,... Which clearly is an advantage for capturing solar energy ) 4H2 = has. Spectrum of ZnPc-BODIPY pentad covers most of the visible region ( ca vapor the. Solubility in common solvents storage temperature for the Nature Briefing newsletter what matters in science, in! In science, free in your inbox the products is described on our website 4H2 = H2Pc a. Pc2, the conjugate base of H2Pc, are valuable in catalysis, organic cells..., Sumpter, B under argon or vacuum projecting nitrogen copper phthalocyanine solubility valuable in catalysis, organic cells. Is ~1.6g/cm3 % resolution most of the visible region ( ca suited for organic solar cells and... Very important, as it plays a significant role in the 095 % RH Moon SJ compound, now to... Yu Guang Pu Xue Yu Guang Pu Xue Yu Guang Pu Xue Yu Guang Pu Fen Xi for cancer. Inside the vacuum chamber ] Silicon and zinc phthalocyanines have been developed as for... Groups leads to dissociation of Na+ ions from a Na4CuPc ( SO3 ).. The B ( Soret ) band ( ~300450nm ), which clearly is an advantage for capturing solar....

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