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Photon Upconversion in Organic Nanoparticles and Subsequent Amplification by Plasmonic Silver Nanowires

Photon Upconversion in Organic Nanoparticles and Subsequent Amplification by Plasmonic Silver Nanowires

Zuoming Qu, Pengfei Duan, Jin Zhou, Yafei Wang, Minghua Liu

Nanoscale. 2018 Jan 18;10(3):985-991.

PMID: 29265124

Abstract:

The development of photonic materials with high photoluminescence is always a challenge in photochemistry and photophysics. Here we present a general approach for enhancing photon upconversion through aggregation and further via surface plasmon resonance (SPR). Luminescent nanoparticles from a tetraphenylethylene derivative were fabricated, showing excellent aggregation-induced emission (AIE) behavior. By mixing with a triplet sensitizer platinum octaethylporphyrin (PtOEP), aggregation-induced photon upconversion (iPUC) could be achieved, resulting in an enhancement of the emission. Blending such iPUC nanoparticles with silver nanowires (AgNWs), the upconverted emission intensity could be significantly amplified due to the SPR of AgNWs. Thus, the concepts of aggregation-induced emission (AIE), metal enhanced fluorescence (MEF) and aggregation-induced photon upconversion (iPUC) were successfully integrated and achieved.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP31248392	Platinum octaethylporphyrin		31248-39-2	Price

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