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Semiconductor-Metal Coupling Enables Dynamic Nanophotonic Control

A recent study in the National Science Review detailed the dynamic and reversible optical modulation of surface plasmons. ....

Li Zhou , Ding Tao , Hongxing Xu , Ququan Wang , Southern University Of Science , Research Professor Ti Wang , National Science , Wuhan University , National Science Review , Professor Ding Tao , Associate Professor Li Zhou , Professor Ququan Wang , Southern University , Localized Surface Plasmon Resonance , Transient Absorption ,

New research leads the way to creating cheaper, more practical high-density optical storage

Makes Blu-ray discs seem outdated and low capacity ....

Dekun Yang , Yiduo Xu , Key Laboratory Of Water Resources , Wuhan University , Optics Communications , State Key Laboratory , Water Resources , Hydropower Engineering Science , Localized Surface Plasmon Resonance , Zhidan Lei ,

"Greatly enhanced photocurrent density in bismuth ferrite films by Loca" by Yunpeng Li, Jie Wei et al.

Very recently, the ferroelectric photovoltaic effect of multiferroic BiFeO3 (BFO) has attracted much attention because of its large photovoltage beyond the bandgap and unique photocurrent switchable characteristics. However, the poor short-circuit current density (JSC ∼ μA/cm2) of BFO leads to a low power conversion efficiency (PCE), which greatly hinders its application and development as photovoltaic or optoelectronic devices. In this paper, a novel heterostructure comprised Au nanoparticles layer and BiFe0.9375Mn0.0625O3 (BFMO) thin film was constructed. The results and analysis showed that the photocurrent densities of all these heterostructures were greatly improved in comparison with that of pure BFMO film without Au layer. Especially, the maximum photocurrent density of 1.323 mA/cm2 was observed in the heterostructure of BFMO-Au-1 m, which is 50 times higher than that of pure BFMO film (26 μA/cm2). A possible mechanism was herein proposed that the Localized Surface Plasmon R ....

Localized Surface Plasmon Resonance , Au Nanoparticles , Bifeo 3 , Erroelectric Photovoltaic Effect , Localized Surface Plasmon Resonance , Hotocurrent Density ,