Localized surface plasmon resonance properties dependence of green-synthesized Fe3O4/Ag composite nanoparticles on Ag concentration and an electric field for biosensor application

Wahyuni, Sari; Riswan, Muhammad; Adrianto, Nanang; Dharmawan, Mahardika Yoga; Tumbelaka, Rivaldo Marsel; Cuana, Rona; Istiqomah, Nurul Imani; Jiananda, Adhistinka; Garcia, Shania; Suharyadi, Edi

doi:10.1016/j.photonics.2023.101191

Cited by 2 publications

(1 citation statement)

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“…The enhancement of absorbance peaks near 692 nm and 1048 nm should correlate with CuS. These are attributed to the LSPR phenomenon of CuS [52] and Fe3O4 [53] nanoparticles. Introducing multifunctional interfaces can effectively enhance the light absorption performance of OD/3%DMDBS/6%EG and more efficiently convert the photos to heat, thus heating the phase change material OD and realizing photothermal energy storage.…”

Section: Photothermal Conversionmentioning

confidence: 90%

A Novel Sandwich-Structured Phase Change Composite with Efficient Photothermal Conversion and Electromagnetic Interference Shielding Interface

Xu,

Li,

Zhou

et al. 2024

Materials

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Stability and multifunctionality greatly extend the applications of phase change materials (PCMs) for thermal storage and management. Herein, CuS and Fe3O4 nanoparticles were successfully loaded onto cotton-derived carbon to develop a multifunctional interface with efficient photothermal conversion and electromagnetic interference (EMI) shielding properties. 1,3:2,4-di-(3,4-dimethyl) benzylidene sorbitol (DMDBS) and expanded graphite (EG) formed an organic/inorganic three-dimensional network framework to encapsulate 1-octadecanol (OD) by self-assembly. Finally, multifunctional shape-stabilized PCMs (SSPCMs) with the sandwich structure were prepared by the hot-press process. Multifunctional SSPCMs with high load OD (91%) had favorable thermal storage density (200.6 J/g), thermal stability, and a relatively wider available temperature range with improved thermal conductivity to support the thermal storage and management realization. Furthermore, due to the synergistic enhancement of two nanoparticles and the construction of the carbon network with cotton carbon and EG, highly efficient photothermal conversion (94.4%) and EMI shielding (68.9 dB average, X-band) performance were achieved at about 3 mm thickness, which provided the possibility of the multifunctional integration of PCMs. Conclusively, this study provides new insights towards integrating solar energy utilization with the comprehensive protection of related electronics.

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Section: Photothermal Conversionmentioning

confidence: 90%