1
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Ranne M, Ourabi M, Lessard BH, Adronov A. CO 2 Responsive Thin-Film Transistors Using Conjugated Polymer Complexes with Single-Walled Carbon Nanotubes. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39185575 DOI: 10.1021/acsami.4c08528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Introduction of amidine groups within the side chains of a conjugated polyfluorene was carried out using copper-catalyzed azide-alkyne cycloaddition. The resulting polymer was shown to form strong supramolecular interactions with the sidewalls of single-walled carbon nanotubes (SWNTs), forming polymer-nanotube complexes that exhibited solubility in various organic solvents. It was shown that the polymer-SWNT complexes were responsive to CO2, where the amidine groups formed amidinium bicarbonate salts upon CO2 exposure, causing the polymer-SWNT complexes to precipitate. This reaction could be reversed by bubbling N2 through the solution, which caused the polymer-SWNT complexes to redissolve. Incorporation of the polymer-SWNT complexes within thin-film transistor (TFT) devices as the active layer resulted in a CO2-responsive TFT sensor. It was found that the sensory device underwent a reversible shift in its threshold voltage from 5 to -1 V as well as a 1 order of magnitude decrease in its on-current upon exposure to CO2. This work shows that conjugated polymer-wrapped SWNTs having sensory elements within the polymer side chain can be used as the active layer within functional SWNT-based TFT sensors.
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Affiliation(s)
- Mokhamed Ranne
- Department of Chemistry and Chemical Biology and the Brockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - May Ourabi
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Benoît H Lessard
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Alex Adronov
- Department of Chemistry and Chemical Biology and the Brockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario L8S 4M1, Canada
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2
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Mehak, Singh G, Singh R, Singh G, Stanzin J, Singh H, Kaur G, Singh J. Clicking in harmony: exploring the bio-orthogonal overlap in click chemistry. RSC Adv 2024; 14:7383-7413. [PMID: 38433942 PMCID: PMC10906366 DOI: 10.1039/d4ra00494a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 02/19/2024] [Indexed: 03/05/2024] Open
Abstract
In the quest to scrutinize and modify biological systems, the global research community has continued to explore bio-orthogonal click reactions, a set of reactions exclusively targeting non-native molecules within biological systems. These methodologies have brought about a paradigm shift, demonstrating the feasibility of artificial chemical reactions occurring on cellular surfaces, in the cell cytosol, or within the body - an accomplishment challenging to achieve with the majority of conventional chemical reactions. This review delves into the principles of bio-orthogonal click chemistry, contrasting metal-catalyzed and metal-free reactions of bio-orthogonal nature. It comprehensively explores mechanistic details and applications, highlighting the versatility and potential of this methodology in diverse scientific contexts, from cell labelling to biosensing and polymer synthesis. Researchers globally continue to advance this powerful tool for precise and selective manipulation of biomolecules in complex biological systems.
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Affiliation(s)
- Mehak
- School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 Punjab India
| | - Gurleen Singh
- School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 Punjab India
| | - Riddima Singh
- School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 Punjab India
| | - Gurjaspreet Singh
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University Chandigarh-160014 India
| | - Jigmat Stanzin
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University Chandigarh-160014 India
| | - Harminder Singh
- School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 Punjab India
| | - Gurpreet Kaur
- Department of Chemistry, Gujranwala Guru Nanak Khalsa College Civil Lines Ludhiana-141001 Punjab India
| | - Jandeep Singh
- School of Chemical Engineering and Physical Sciences, Lovely Professional University Phagwara-144411 Punjab India
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3
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Ritaine D, Adronov A. Decoration of Polyfluorene-Wrapped Carbon Nanotubes with Photocleavable Side-Chains. Molecules 2023; 28:molecules28031471. [PMID: 36771137 PMCID: PMC9920975 DOI: 10.3390/molecules28031471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Functionalizing polyfluorene-wrapped carbon nanotubes without damaging their properties is effective via Copper-Catalyzed Azide-Alkyne Cycloaddition (CuAAC). However, the length and nature of polymer side-chains can impact the conductivity of polyfluorene-SWNT films by preventing close contact between the nanotubes. Here, we investigate the functionalization of a polyfluorene-SWNT complex using photocleavable side-chains that can be removed post-processing. The cleavage of the side-chains containing an ortho-nitrobenzyl ether derivative is efficient when exposed to a UV lamp at 365 nm. The photoisomerization of the o-nitrobenzyl ether linker into the corresponding o-nitrosobenzaldehyde was first monitored via UV-Vis absorption spectroscopy and 1H-NMR spectroscopy on the polymer, which showed efficient cleavage after 2 h. We next investigated the cleavage on the polyfluorene-SWNT complex via UV-Vis-NIR absorption spectroscopy. The precipitation of the nanotube dispersion and the broad absorption peaks after overnight irradiation also indicated effective cleavage. In addition, Raman spectroscopy post-irradiation showed that the nanotubes were not damaged upon irradiation. This paper reports a proof of concept that may find applications for SWNT-based materials in which side-chain removal could lead to higher device performance.
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Affiliation(s)
| | - Alex Adronov
- Correspondence: ; Tel.: +1-(905)-525-9140 (ext. 23514)
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4
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Ritaine D, Adronov A. Functionalization of polyfluorene‐wrapped carbon nanotubes using thermally cleavable side‐chains. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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5
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Li K, Fong D, Meichsner E, Adronov A. A Survey of Strain-Promoted Azide-Alkyne Cycloaddition in Polymer Chemistry. Chemistry 2021; 27:5057-5073. [PMID: 33017499 DOI: 10.1002/chem.202003386] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Indexed: 02/06/2023]
Abstract
Highly efficient reactions that enable the assembly of molecules into complex structures have driven extensive progress in synthetic chemistry. In particular, reactions that occur under mild conditions and in benign solvents, while producing no by-products and rapidly reach completion are attracting significant attention. Amongst these, the strain-promoted azide-alkyne cycloaddition, involving various cyclooctyne derivatives reacting with azide-bearing molecules, has gained extensive popularity in organic synthesis and bioorthogonal chemistry. This reaction has also recently gained momentum in polymer chemistry, where it has been used to decorate, link, crosslink, and even prepare polymer chains. This survey highlights key achievements in the use of this reaction to produce a variety of polymeric constructs for disparate applications.
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Affiliation(s)
- Kelvin Li
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
| | - Darryl Fong
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
| | - Eric Meichsner
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
| | - Alex Adronov
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
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Vasdev R, Luo W, Classen K, Anghel M, Novoa S, Workentin MS, Gilroy JB. Strained alkyne polymers capable of SPAAC via ring-opening metathesis polymerization. Polym Chem 2021. [DOI: 10.1039/d1py01177d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present a strategy that combines the attractive traits of chain-growth polymerization and strain-promoted azide–alkyne cycloaddition chemistry for the production of functional polymers.
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Affiliation(s)
- Rajeshwar Vasdev
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Wilson Luo
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Kyle Classen
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Michael Anghel
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Samantha Novoa
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Mark S. Workentin
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
| | - Joe B. Gilroy
- Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research (CAMBR), The University of Western Ontario, London, ON, Canada
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7
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Luo SXL, Lin CJ, Ku KH, Yoshinaga K, Swager TM. Pentiptycene Polymer/Single-Walled Carbon Nanotube Complexes: Applications in Benzene, Toluene, and o-Xylene Detection. ACS NANO 2020; 14:7297-7307. [PMID: 32510203 PMCID: PMC7370303 DOI: 10.1021/acsnano.0c02570] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
We report the dispersion of single-walled carbon nanotubes (SWCNTs) using pentiptycene polymers and their use in chemiresistance-based and QCM-D sensors. Poly(p-phenylene ethynylene)s (PPEs) incorporating pentiptycene moieties present a concave surface that promotes π-π interactions and van der Waals interactions with SWCNTs. In contrast to more common polymer-dispersing mechanisms that involve the wrapping of polymers around the SWCNTs, we conclude that the H-shape of pentiptycene groups and the linear rigid-rod structure creates a slot for nanotube binding. UV-vis-NIR, Raman, and fluorescence spectra and TEM images of polymer/SWCNTs support this dispersion model, which shows size selectivity to SWCNTs with diameters of 0.8-0.9 nm. Steric bulk on the channels is problematic, and tert-butylated pentiptycenes do not form stable dispersions with SWCNTs. This result, along with the diameter preference, supports the model in which the SWCNTs are bound to the concave clefts of the pentiptycenes. The binding model suggests that the polymer/SWCNTs complex creates galleries, and we have demonstrated the binding of benzene, toluene, and o-xylene (BTX) vapors as the basis for a robust, sensitive, and selective sensing platform for BTX detection. The utility of our sensors is demonstrated by the detection of benzene at the OSHA short-term exposure limit of 5 ppm in air.
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Affiliation(s)
- Shao-Xiong Lennon Luo
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Che-Jen Lin
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Kang Hee Ku
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Kosuke Yoshinaga
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Timothy M. Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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8
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Fong D, Lang A, Li K, Adronov A. Visible Light-Mediated Photoclick Functionalization of a Conjugated Polymer Backbone. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b01989] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Darryl Fong
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Alice Lang
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Kelvin Li
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Alex Adronov
- Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada
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9
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McNelles SA, Pantaleo JL, Meichsner E, Adronov A. Strain-Promoted Azide-Alkyne Cycloaddition-Mediated Step-Growth Polymerization. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01609] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Stuart A. McNelles
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Julia L. Pantaleo
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Eric Meichsner
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Alex Adronov
- Department of Chemistry & Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
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10
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Xin D, Qin A, Tang BZ. Benzyne–azide polycycloaddition: a facile route toward functional polybenzotriazoles. Polym Chem 2019. [DOI: 10.1039/c9py00632j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient benzyne–azide polycycloaddition is established and functional poly(benzotriazole)s are produced under mild reaction conditions.
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Affiliation(s)
- Dehua Xin
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-Induced Emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Anjun Qin
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-Induced Emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Ben Zhong Tang
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-Induced Emission
- South China University of Technology
- Guangzhou 510640
- China
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11
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Shamshoom C, Fong D, Li K, Kardelis V, Adronov A. Pillar[5]arene-Decorated Single-Walled Carbon Nanotubes. ACS OMEGA 2018; 3:13935-13943. [PMID: 31458090 PMCID: PMC6645158 DOI: 10.1021/acsomega.8b02091] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Accepted: 10/09/2018] [Indexed: 06/10/2023]
Abstract
Control of single-walled carbon nanotube dispersion properties is of substantial interest to the scientific community. In this work, we sought to investigate the effect of a macrocycle, pillar[5]arene, on the dispersion properties of a polymer-nanotube complex. Pillar[5]arenes are a class of electron-rich macrocyclic hosts capable of forming inclusion complexes with electron-poor guests, such as alkyl nitriles. A hydroxyl-functionalized pillar[5]arene derivative was coupled to the alkyl bromide side chains of a polyfluorene, which was then used to coat the surface of single-walled carbon nanotubes. Noncovalent functionalization of carbon nanotubes with the macrocycle-containing conjugated polymer significantly enhanced nanotube solubility, resulting in dark and concentrated nanotube dispersions (600 μg mL-1), as evidenced by UV-vis-NIR spectroscopy and thermogravimetric analysis. Differentiation of semiconducting and metallic single-walled carbon nanotube species was analyzed by a combination of UV-vis-NIR, Raman, and fluorescence spectroscopy. Raman spectroscopy confirmed that the concentrated nanotube dispersion produced by the macrocycle-containing polymer was due to well-exfoliated nanotubes, rather than bundle formation. The polymer-nanotube dispersion was investigated using 1H NMR spectroscopy, and it was found that host-guest chemistry between pillar[5]arene and 1,6-dicyanohexane occurred in the presence of the polymer-nanotube complex. Utilizing the host-guest capability of pillar[5]arene, the polymer-nanotube complex was incorporated into a supramolecular organogel.
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Affiliation(s)
- Christina Shamshoom
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S
4L8, Canada
| | - Darryl Fong
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S
4L8, Canada
| | - Kelvin Li
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S
4L8, Canada
| | - Vladimir Kardelis
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S
4L8, Canada
| | - Alex Adronov
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S
4L8, Canada
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12
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Yoon B, Choi SJ, Swager TM, Walsh GF. Switchable Single-Walled Carbon Nanotube-Polymer Composites for CO 2 Sensing. ACS APPLIED MATERIALS & INTERFACES 2018; 10:33373-33379. [PMID: 30229659 DOI: 10.1021/acsami.8b11689] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We report a chemiresistive CO2 sensor based on single-walled carbon nanotubes (SWCNTs) noncovalently functionalized with a CO2 switchable copolymer containing amidine pendant groups that transform into amidinium bicarbonates in response to CO2. To fabricate a robust surface-anchored polymer-SWCNT dispersion via spray coating, we first designed and synthesized a precursor copolymer, P(4VP-VBAz), bearing both 4-vinylpyridine (4VP) groups and azide groups. The SWCNT dispersant group, 4VP, is capable of debundling and stabilizing nanotubes to improve their solubility in organic solvents for solution processing. Well-dispersed P(4VP-VBAz)-SWCNT composites are covalently immobilized onto a glass substrate functionalized with alkyl bromides, and then the amidine moieties are subsequently attached to form the resulting CO2-switchable P(Q4VP-VBAm)-SWCNT composites via a copper(I)-catalyzed azide-alkyne cycloaddition click reaction at the film surface. The amidine groups are strong donors that compensate or pin carriers in the SWCNTs. In the presence of CO2 under humid conditions, the generated amidinium bicarbonates from the polymer wrapping increase the concentration and/or liberate the hole carriers in the nanotubes, thereby increasing the net conductance of the composites. The amidinium moieties revert back to the amidines when purged with a CO2-free carrier gas with a reversible decrease in conductance. We also demonstrate high selectivity to CO2 over the other atmospheric gases such as O2 and Ar.
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Affiliation(s)
- Bora Yoon
- Optical and Electromagnetic Materials Team, U.S. Army Natick Soldier Research , Development and Engineering Center (NSRDEC) , Natick , Massachusetts 01760 , United States
| | | | | | - Gary F Walsh
- Optical and Electromagnetic Materials Team, U.S. Army Natick Soldier Research , Development and Engineering Center (NSRDEC) , Natick , Massachusetts 01760 , United States
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