Thermoplasmonic dissipation in gold nanoparticle–polyvinylpyrrolidone thin films

Howard, Tyler V.; Dunklin, Jeremy R.; Forcherio, Gregory T.; Roper, D. Keith

doi:10.1039/c7ra03892e

Cited by 14 publications

(10 citation statements)

References 57 publications

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“…Howard et al prepared a AuNPs–PVP thin film to use as heat sink via thermoplasmonic dissipation. 31 Liu et al tested NIR-responsive elastomer film containing photothermal conjugated polymer and then confirmed the potential utility for NIR-responsive shape-memory materials. 32 Therefore, to evaluate the feasibility of AGE particles as dry-type photothermal agents, AGE microrods were mixed with pulp of cellulose filter-paper dispersed in water, followed by centrifugation and drying under ambient conditions, to obtain the cellulose-patch containing AGE ( Figure 1 b).…”

Section: Resultsmentioning

confidence: 96%

Photothermal Cellulose-Patch with Gold-Spiked Silica Microrods Based on Escherichia coli

Han

Hong

et al. 2018

ACS Omega

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Plasmonic-mediated photothermal heating under near-infrared (NIR) irradiation is an emerging key technology in the field of photothermal therapy and chemical reactions. However, there are few reports of photothermal film (dry-type patch), and thus, in this work, we developed the plasmonic-induced photothermal cellulose-patch operating in the NIR region. Hollow and spikelike gold nanostructures, gold-spikes, as plasmonic nanoparticles were prepared and decorated on silica microrods, which were prepared based on a unicellular organism, Escherichia coli, as a framework. In addition, freestanding cellulose-patch was prepared by mixing filter-paper pulp and armored golden E. coli (AGE) microrods. The major absorbing peak of AGE solution was revealed to be 873 nm, and the surface temperature of patch was increased to 264 °C within a very short time (1 min). When NIR laser was irradiated on the patch dipped in the water, the formation of water vapor and air bubbles was observed. The heating efficiency of indirect heat transfer via conduction from patch-to-water was 35.0%, while that of direct heat transfer via radiation from patch in water was 86.1%. Therefore, the cellulose-patch containing AGE microrods has possible applicability to desalination and sterilization because of its fast heating rate and high light-to-heat conversion under the irradiation of low-powered IR laser.

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Section: Resultsmentioning

confidence: 96%

Photothermal Cellulose-Patch with Gold-Spiked Silica Microrods Based on Escherichia coli

Han

Hong

et al. 2018

ACS Omega

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“…Larger thermal diffusivities allow for increased thermal propagation, thus implying faster changes from the dynamic driving force to the steady-state driving force [31]. Additionally, Howard et al demonstrated a plateau of thermal energy transfer from AuNPs, which allows for lower concentration AuNP-PDMS films to have a greater change in slope at a smaller concentration than for larger AuNP concentrations, matching measured results [20].…”

Section: Effects Of Aunp Concentrationmentioning

confidence: 60%

“…Steady-state heat dissipation due to the photothermal responses of plasmonic nanoparticles (NPs) has been widely characterized in various media like colloidal suspensions [6], polymers [1], and ceramics [18]. NPs dispersed in colloidal suspensions of various fluids (i.e., nanofluids) resulted in an increase in the thermal conductivity of the suspension [19], but the thermal response per NP decreased to near zero [20]. Numerical models for estimating and modeling the heat dissipation have also been used to analyze nanofluids used in microchannels [21], while other models utilize the thermodynamic properties to predict the structure of materials [22,23].…”

Section: Introductionmentioning

confidence: 99%

Initial dynamic thermal dissipation modes enhance heat dissipation in gold nanoparticle–polydimethylsiloxane thin films

Howard

Berry

Roper

2020

J Therm Anal Calorim

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Plasmonic nanocomposite materials have exhibited value for applications ranging from biological hyperthermia to optical sensing and waveguiding. Energy absorbed from incident irradiation can be re-emitted as light or decay into phonons that propagate through the surrounding material and increase its temperature. Previous works have examined steady-state thermal dissipation resulting from irradiated plasmonic nanocomposites. This work shows heat dissipation in the first few seconds can significantly exceed that during subsequent steady state, depending on film geometry, nanoparticle diameter and concentration, laser irradiation power, and position within and adjacent to the irradiated spot. Films of lower thickness containing 16 nm gold nanoparticles (AuNPs) irradiated at 13.5 mW laser power showed highest enhancement and tunability of the dynamic thermal mode within and adjacent to the irradiated spot. Measured initial nanocomposite film temperature in or near the irradiated spot exceeded that resulting from constant bulk film thermal dissipation. These results improve understanding of cooling dynamics of resonantly irradiated nanocomposite materials and guide development of devices with enhanced thermal dissipation dynamics.

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“…Institute of Laser for Postgraduate Studies, University of Baghdad, Baghdad, Iraq. * Corresponding author: Hussein@ilps.uobaghdad.edu.iq Noble metals are extensively used as plasmonicnano-heat source with wide wavelength range illumination as well as different exposure times (10)(11)(12)(13)(14). Surface plasmon resonance exhibits high tunability in case of core-shell nanoparticles among various metallic nanostructures due to the sensitivity of SPR to nanostructures' sizes, shapes, and environments (15).…”

Section: Introductionmentioning

confidence: 99%

Thermoplasmonic of Single Au@SiO2 and SiO2@Au Core Shell Nanoparticles in Deionized Water and Poly-vinylpyrrolidoneMatrix

al.¹

2019

Baghdad Sci.J

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Metal nanoparticles can serve as an efficient nano-heat source with confinement photothermal effects. Thermo-plasmonic technology allows researchers to control the temperature at a nanoscale due to the possibility of precise light propagation. The response of opto-thermal generation of single gold-silica core-shell nanoparticle immersed in water and Poly-vinylpyrrolidone surrounding media is theoretically investigated. Two lasers (CW and fs pulses) at the plasmonic resonance (532 nm) are utilized. For this purpose, finite element method is used via COMSOL multiphysics to find a numerical computation of absorption cross section for the proposed core –shell NP in different media. Thermo-plasmonic response for both lasers is studied. The heat profile of different nanostructures is estimated. The results revealed that the temperature distribution profile was varied due to changing in the relative volume fraction between the core and the shell of nanoparticle.

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Thermoplasmonic dissipation in gold nanoparticle–polyvinylpyrrolidone thin films

Abstract: Dissipated heat was consistent with power extinguished by absorbing nanoparticles dispersed into thin polymer films at subwavelength intervals. Measurements mirrored a priori simulation of optical and thermal responses. Components of heating and absorption were identified.

Cited by 14 publications

References 57 publications

Photothermal Cellulose-Patch with Gold-Spiked Silica Microrods Based on Escherichia coli

Photothermal Cellulose-Patch with Gold-Spiked Silica Microrods Based on Escherichia coli

Initial dynamic thermal dissipation modes enhance heat dissipation in gold nanoparticle–polydimethylsiloxane thin films

Thermoplasmonic of Single Au@SiO2 and SiO2@Au Core Shell Nanoparticles in Deionized Water and Poly-vinylpyrrolidoneMatrix

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