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Vinnacombe-Willson GA, García-Astrain C, Troncoso-Afonso L, Wagner M, Langer J, González-Callejo P, Silvio DD, Liz-Marzán LM. Growing Gold Nanostars on 3D Hydrogel Surfaces. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2024; 36:5192-5203. [PMID: 38828187 PMCID: PMC11137816 DOI: 10.1021/acs.chemmater.4c00564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 06/05/2024]
Abstract
Nanocomposites comprising hydrogels and plasmonic nanoparticles are attractive materials for tissue engineering, bioimaging, and biosensing. These materials are usually fabricated by adding colloidal nanoparticles to the uncured polymer mixture and thus require time-consuming presynthesis, purification, and ligand-exchange steps. Herein, we introduce approaches for rapid synthesis of gold nanostars (AuNSt) in situ on hydrogel substrates, including those with complex three-dimensional (3D) features. These methods enable selective AuNSt growth at the surface of the substrate, and the growth conditions can be tuned to tailor the nanoparticle size and density (coverage). We additionally demonstrate proof-of-concept applications of these nanocomposites for SERS sensing and imaging. High surface coverage with AuNSt enabled 1-2 orders of magnitude higher SERS signals compared to plasmonic hydrogels loaded with premade colloids. Importantly, AuNSt can be prepared without the addition of any potentially cytotoxic surfactants, thereby ensuring a high biocompatibility. Overall, in situ growth becomes a versatile and straightforward approach for the fabrication of plasmonic biomaterials.
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Affiliation(s)
| | - Clara García-Astrain
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
- Centro
de Investigación Biomédica en Red de Bioingeniería
Biomateriales, y Nanomedicina (CIBER-BBN), Donostia-San Sebastián 20014, Spain
| | - Lara Troncoso-Afonso
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
- Department
of Applied Chemistry, University of the
Basque Country (UPV-EHU), Donostia-San
Sebastián 20018, Spain
| | - Marita Wagner
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
- Department
of Applied Chemistry, University of the
Basque Country (UPV-EHU), Donostia-San
Sebastián 20018, Spain
- CIC
nanoGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San Sebastián 20018, Spain
| | - Judith Langer
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
| | | | - Desirè Di Silvio
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
| | - Luis M. Liz-Marzán
- CIC
biomaGUNE, Basque Research and Technology
Alliance (BRTA), Donostia-San
Sebastián 20014, Spain
- Centro
de Investigación Biomédica en Red de Bioingeniería
Biomateriales, y Nanomedicina (CIBER-BBN), Donostia-San Sebastián 20014, Spain
- Ikerbasque
Basque Foundation for Science, Bilbao 48009, Spain
- Cinbio, Universidade de Vigo, Vigo 36310, Spain
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Hou J, Lartey JA, Lee CY, Kim JH. Light-enhanced catalytic activity of stable and large gold nanoparticles in homocoupling reactions. Sci Rep 2024; 14:1352. [PMID: 38228672 DOI: 10.1038/s41598-024-51695-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 01/08/2024] [Indexed: 01/18/2024] Open
Abstract
Validating the direct photocatalytic activity of colloidal plasmonic nanoparticles is challenging due to their limited stability and needed support materials that can often contribute to the chemical reactions. Stable gold nanoparticles (AuNPs) with tunable sizes are prepared across porous polymer particles without any chemical bonds where the resulting composite particles exhibit intense surface plasmon resonances (SPRs) in the visible region. These composite particles are then tested as photocatalysts under a broadband solar-simulated light source to examine the contribution degree of photothermal heating and SPR coming from the incorporated AuNPs in the C-C bond forming homocoupling reaction. Generally, the thermal and photothermal heating are the main driving force to increase the reactivity of relatively smaller AuNPs (~ 44 nm in diameter) with a narrower SPR band. However, the SPR-induced catalytic activity is much greater for the composite particles containing larger AuNPs (~ 87 nm in diameter) with a broader SPR. As the polymer particle matrix does not influence the catalytic activity (e.g., inducing charge delocalization and/or separation), the unique SPR role of the colloidal AuNPs in the catalytic reaction is assessable under light irradiation. This study experimentally demonstrates the possibility of evaluating the direct contribution of SPRs to photocatalytic chemical reactions.
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Affiliation(s)
- Jian Hou
- School of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang, 471023, China
| | - Jemima A Lartey
- Department of Chemistry, Illinois State University, Normal, IL, 61790-4160, USA
| | - Chang Yeon Lee
- Department of Energy and Chemical Engineering/Innovation Center for Chemical Engineering, Incheon National University, Incheon, 22012, Republic of Korea.
| | - Jun-Hyun Kim
- Department of Chemistry, Illinois State University, Normal, IL, 61790-4160, USA.
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Chen T, Qiu M, Peng Y, Yi C, Xu Z. Colloidal Polymer-Templated Formation of Inorganic Nanocrystals and their Emerging Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303282. [PMID: 37409416 DOI: 10.1002/smll.202303282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/10/2023] [Indexed: 07/07/2023]
Abstract
Inorganic nanocrystals possess unique physicochemical properties compared to their bulk counterparts. Stabilizing agents are commonly used for the preparation of inorganic nanocrystals with controllable properties. Particularly, colloidal polymers have emerged as general and robust templates for in situ formation and confinement of inorganic nanocrystals. In addition to templating and stabilizing inorganic nanocrystals, colloidal polymers can tailor their physicochemical properties such as size, shape, structure, composition, surface chemistry, and so on. By incorporating functional groups into colloidal polymers, desired functions can be integrated with inorganic nanocrystals, advancing their potential applications. Here, recent advances in the colloidal polymer-templated formation of inorganic nanocrystals are reviewed. Seven types of colloidal polymers, including dendrimer, polymer micelle, stare-like block polymer, bottlebrush polymer, spherical polyelectrolyte brush, microgel, and single-chain nanoparticle, have been extensively applied for the synthesis of inorganic nanocrystals. Different strategies for the development of these colloidal polymer-templated inorganic nanocrystals are summarized. Then, their emerging applications in the fields of catalysis, biomedicine, solar cells, sensing, light-emitting diodes, and lithium-ion batteries are highlighted. Last, the remaining issues and future directions are discussed. This review will stimulate the development and application of colloidal polymer-templated inorganic nanocrystals.
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Affiliation(s)
- Tianyou Chen
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China
| | - Meishuang Qiu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China
| | - Yan Peng
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China
| | - Changfeng Yi
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China
| | - Zushun Xu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China
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Hou J, Li B, Jang W, Yun J, Eyimegwu FM, Kim JH. Integration of Gold Nanoparticles into Crosslinker-Free Polymer Particles and Their Colloidal Catalytic Property. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:416. [PMID: 36770377 PMCID: PMC9920725 DOI: 10.3390/nano13030416] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/09/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
This work demonstrates the incorporation of gold nanoparticles (AuNPs) into crosslinker-free poly(N-isopropylacrylamide), PNIPAM, particles in situ and the examination of their structural and catalytic properties. The formation process of the AuNPs across the crosslinker-free PNIPAM particles are compared to that of crosslinked PNIPAM particles. Given the relatively larger free volume across the crosslinker-free polymer network, the AuNPs formed by the in situ reduction of gold ions are detectably larger and more polydisperse, but their overall integration efficiency is slightly inferior. The structural features and stability of these composite particles are also examined in basic and alcoholic solvent environments, where the crosslinker-free PNIPAM particles still offer comparable physicochemical properties to the crosslinked PNIPAM particles. Interestingly, the crosslinker-free composite particles as a colloidal catalyst display a higher reactivity toward the homocoupling of phenylboronic acid and reveal the importance of the polymer network density. As such, the capability to prepare composite particles in a controlled polymer network and reactive metal nanoparticles, as well as understanding the structure-dependent physicochemical properties, can allow for the development of highly practical catalytic systems.
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Affiliation(s)
- Jian Hou
- School of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, China
| | - Bin Li
- School of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, China
- Henan International Joint Laboratory of Cutting Tools and Precision Machining, Luoyang Institute of Science and Technology, Luoyang 471023, China
| | - Wongi Jang
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
| | - Jaehan Yun
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
| | - Faith M Eyimegwu
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
| | - Jun-Hyun Kim
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
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Hou J, Egemole FO, Eyimegwu FM, Yun J, Jang W, Byun H, Kim J. Experimental Selection of Bases for Colloidal Gold‐Polymer Composite Catalyst in Homocoupling Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202202370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jian Hou
- School of Intelligent Manufacturing Luoyang Institute of Science and Technology Luoyang 471023 China
- Department of Chemical Engineering Keimyung University 2800 Dalgubeol Daero Daegu 42601 South Korea
| | - Franklin O. Egemole
- Department of Chemistry Illinois State University 4160 Campus Box Normal IL 61790, U.S.A
| | - Faith M. Eyimegwu
- Department of Chemistry Illinois State University 4160 Campus Box Normal IL 61790, U.S.A
| | - Jaehan Yun
- Department of Chemical Engineering Keimyung University 2800 Dalgubeol Daero Daegu 42601 South Korea
- Department of Chemistry Illinois State University 4160 Campus Box Normal IL 61790, U.S.A
| | - Wongi Jang
- Department of Chemical Engineering Keimyung University 2800 Dalgubeol Daero Daegu 42601 South Korea
- Department of Chemistry Illinois State University 4160 Campus Box Normal IL 61790, U.S.A
| | - Hongsik Byun
- Department of Chemical Engineering Keimyung University 2800 Dalgubeol Daero Daegu 42601 South Korea
| | - Jun‐Hyun Kim
- Department of Chemistry Illinois State University 4160 Campus Box Normal IL 61790, U.S.A
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