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Liu J, Lu Z, Chen Z, Rimoldi M, Howarth AJ, Chen H, Alayoglu S, Snurr RQ, Farha OK, Hupp JT. Ammonia Capture within Zirconium Metal-Organic Frameworks: Reversible and Irreversible Uptake. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20081-20093. [PMID: 33886253 DOI: 10.1021/acsami.1c02370] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Ammonia uptake by high-capacity and high-porosity sorbents is a promising approach to its storage and release, capture and mitigation, and chemical separation. Here, we examined the ammonia sorption behavior of several versions of an archetypal zirconium-based metal-organic framework (MOF) material, NU-1000-a meso- and microporous crystalline compound having the empirical formula (1,3,6,8-tetrakis(p-benzoate)pyrene)2 Zr6(μ3-O)4(μ3-OH)4(H2O)4(OH)4 with linkers and nodes arranged to satisfy a csq topology. Depending on the thermal treatment protocol used prior to sorption measurements, ammonia can physisorb to NU-1000 via hydrogen-bonding and London-dispersion interactions and chemisorb via Brønsted acid-base reactions with node-integrated proton donors (μ3-hydroxos) and node-ligated proton donors (terminal hydroxos), via simple coordination at open Zr(IV) sites, or via dissociative coordination to Zr(IV) as NH2- and protonation of a node-based μ3-oxo. Ammonia adsorption occurs via both reversible and irreversible processes. The latter are of particular interest for protection and mitigation. Notably, the unexpected dissociative adsorption occurs only with nodes that have been fully dehydrated and irreversibly structurally distorted via thermal pre-treatment-a finding that is supported by density functional theory calculations. Differentiating and ranking the relative importance of the many modes of adsorption was facilitated, in part, by the availability of variants of NU-1000 that replace the majority of terminal aqua and hydroxo ligands with nonstructural formate ligands, auxiliary ditopic linkers, or both. The study provides insights into the chemical basis for both reversible and irreversible uptake of ammonia by Zr-MOFs and related compounds. The unexpectedly rich variety of sorption motifs suggest the criteria for designing or choosing MOFs that are optimal for specific ammonia-centric applications.
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Affiliation(s)
- Jian Liu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zhiyong Lu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Zhijie Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Martino Rimoldi
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ashlee J Howarth
- Department of Chemistry and Biochemistry, Concordia University, 7141 Sherbrooke St. W, Montreal H4B 1R6, Canada
| | - Haoyuan Chen
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Selim Alayoglu
- Reactor Engineering and Catalyst Testing Core, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Randall Q Snurr
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Omar K Farha
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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Reddy CV, Reddy IN, Harish VVN, Reddy KR, Shetti NP, Shim J, Aminabhavi TM. Efficient removal of toxic organic dyes and photoelectrochemical properties of iron-doped zirconia nanoparticles. CHEMOSPHERE 2020; 239:124766. [PMID: 31527001 DOI: 10.1016/j.chemosphere.2019.124766] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/31/2019] [Accepted: 09/04/2019] [Indexed: 05/06/2023]
Abstract
Iron (Fe)-doped ZrO2 tetragonal nanoparticles were synthesized by a facile and inexpensive hydrothermal technique, that were doped with Fe3+ ions (0.1, 0.3, and 0.5 mol%) into the host lattice without altering the morphology and crystal structure of the nanoparticles. SEM and TEM investigations indicated that the morphology of ZrO2 nanoparticles did not change even after incorporation of Fe, while the band gap of semiconducting ZrO2 nanoparticles was reduced from 4.97 to 1.77 eV. Such a in band gap was responsible to harvest more photons to stimulate the generation of more electrons in the valence band, thereby enhancing the photoelectrochemical (PEC) water splitting as well as photocatalytic and photoelectrocatalytic activities in the photodegradation of Rhodamine B. The 0.3 mol%-doped ZrO2 electrode showed enhanced photocurrent density (0.07 × 10-3 A/cm2), that was 45-times greater than the pure sample. The electrochemical impedance spectroscopy (EIS) confirmed that 0.3 mol%-doped ZrO2 exhibited the best charge transfer characteristics, which increased with PEC water splitting activity. The maximum photocurrent density and long-term photo-stability were achieved in the light on-off states.
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Affiliation(s)
- Ch Venkata Reddy
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, 712-749, South Korea
| | - I Neelakanta Reddy
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, 712-749, South Korea
| | - V V N Harish
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, 712-749, South Korea
| | - Kakarla Raghava Reddy
- School of Chemical and Biomolecular Engineering, The University of Sydney, NSW, 2006, Australia
| | - Nagaraj P Shetti
- Department of Chemistry, K. L. E. Institute of Technology, Gokul, Hubballi, 580030, Affiliated to Visvesvaraya Technological University, Karnataka, India
| | - Jaesool Shim
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, 712-749, South Korea.
| | - Tejraj M Aminabhavi
- Department of Pharmaceutical Engineering, Sonia College of Pharmacy, Dharwad, 580 002, Karnataka, India.
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Oshikiri T, Ueno K, Misawa H. Selective Dinitrogen Conversion to Ammonia Using Water and Visible Light through Plasmon-induced Charge Separation. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511189] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tomoya Oshikiri
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
| | - Kosei Ueno
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
| | - Hiroaki Misawa
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
- Department of Applied Chemistry & Institute of Molecular Science; National Chiao Tung University; 1001 Ta Hsueh R. Hsinchu 30010 Taiwan
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Oshikiri T, Ueno K, Misawa H. Selective Dinitrogen Conversion to Ammonia Using Water and Visible Light through Plasmon-induced Charge Separation. Angew Chem Int Ed Engl 2016; 55:3942-6. [DOI: 10.1002/anie.201511189] [Citation(s) in RCA: 198] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/27/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Tomoya Oshikiri
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
| | - Kosei Ueno
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
| | - Hiroaki Misawa
- Research Institute for Electronic Science; Hokkaido University N21, W10, CRIS Bldg.; Kita-ku Sapporo 001-0021 Japan
- Department of Applied Chemistry & Institute of Molecular Science; National Chiao Tung University; 1001 Ta Hsueh R. Hsinchu 30010 Taiwan
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Kaltaev KSO, Sidelnikova NS, Nizgankovsky SV, Dan’ko AJ, Budnikov AT, Shehovtzov AN, Adonkin GT. Influence of nitrogen-containing reducing media on the optical and luminescence characteristics of sapphire. CRYSTALLOGR REP+ 2012. [DOI: 10.1134/s1063774512070097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Valov I, Luerssen B, Mutoro E, Gregoratti L, De Souza RA, Bredow T, Günther S, Barinov A, Dudin P, Martin M, Janek J. Electrochemical activation of molecular nitrogen at the Ir/YSZ interface. Phys Chem Chem Phys 2011; 13:3394-410. [DOI: 10.1039/c0cp01024c] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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