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	1. Plasmon Enhanced Visible Light Photocatalytic Activity of Flower-like Au-TiO2 Core-shell Nanoparticles
	Youlong Chen,Liang Ma,Xiang-Bai Chen
	Physics 14 September 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (665K B)

	Abstract:Flower-like Au-TiO2 core-shell nanoparticles (NPs) were synthesized by a facile and high-yield hydrothermal method in which gold NPs were used as cores and TiF4 was used as precursor. A series of characterizations were carried out to examine the morphology, crystallinity, and composition of the nanostructures. The Au-TiO2 core-shell NPs exhibit uniform flower-like morphology, porous TiO2 shells, and strong surface plasmon resonance (SPR) absorption band in the visible light region. Hence, compared with the hollow TiO2 NPs, the Au-TiO2 core-shell NPs exhibited greatly improved photocatalytic activity for the degradation of methylene blue under visible light irradiation. Such enhancement can be ascribed to the resonant energy transfer and direct electron transfer between TiO2 and Au parts in the core-shell nanostructures. We believe that such plasmonic photosensitizers based on this enhancement mechanism would offer much more flexibility for designing solar energy materials, photocatalysts and other optoelectronic devices.
	TO cite this article:Youlong Chen,Liang Ma,Xiang-Bai Chen. Plasmon Enhanced Visible Light Photocatalytic Activity of Flower-like Au-TiO2 Core-shell Nanoparticles[OL].[14 September 2020] http://en.paper.edu.cn/en_releasepaper/content/4752800


	2. Four state Reference-Frame-Independent Quantum Key Distribution with the heralded pair-coherent sources
	Yang Shun-Yu, Li Zheng-Hua, Wang Ji-Peng, Ma Hai-Qiang
	Physics 06 March 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (530K B)

	Abstract:We propose a scheme of practical four state decoy state reference-frame-independent quantum key distribution(RFI-QKD) with the heralded pair-coherent sources (HPCS). Although fewer state is used in our scheme, its performance can approach original six-state protocol. Through utilizing HPCS, we can obviously improve the performance of four state RFI-QKD in both the final key rate and the secure transmission distance compared with the protocol using weak coherent sources. Moreover, when taking source flaws, intensity fluctuations and statistical fluctuations into consideration, simulation results show that our protocol can achieve high key generation rate at long distance transmission.
	TO cite this article:Yang Shun-Yu, Li Zheng-Hua, Wang Ji-Peng, et al. Four state Reference-Frame-Independent Quantum Key Distribution with the heralded pair-coherent sources[OL].[ 6 March 2020] http://en.paper.edu.cn/en_releasepaper/content/4751070


	3. Laser-induced vibrational distribution of nitrogen ions in two color setup
	CHEN Rao,WANG Quanjun,WANG Xiaozhen,SUN Chunlin,DING Jingjie,HU Bitao,LIU Zuoye
	Physics 19 December 2019
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (663K B)

	Abstract:We report the forward radiation lasing and absorption phenomena in pure nitrogen gas produced by a collinear two-color laser setup, consisting of a 800 nm pump and 354 nm probe pulses. The spectral components of transmitted probe pulse are attributed at 353.8 nm, 354.9 nm and 356.4 nm, corresponding to transitions in the first negative band of the singly charged nitrogen molecular ion N2+. Compared with the absorption signals at 354.9 nm and 356.4 nm, the signal at 353. nm is radiational. The present study has a further understanding of population distribution in upper vibrational state.
	TO cite this article:CHEN Rao,WANG Quanjun,WANG Xiaozhen, et al. Laser-induced vibrational distribution of nitrogen ions in two color setup[OL].[19 December 2019] http://en.paper.edu.cn/en_releasepaper/content/4750184


	4. SPR phase detection for measuring the thickness of different thin metal films
	Liu Chao,Yue Chong,Qin Zirui,Liu Qinggang
	Physics 19 January 2018
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (589K B)

	Abstract:In this paper, a novel method to determine the thickness of different thin metal film is put forward which uses Surface Plasmon Resonance (SPR) phase detection method. The relations between the metal film thickness and the phases of the transverse magnetic (TM) and transverse electric (TE) polarization of the reflected light are shown in the simulation results. By recording the interference patterns which contain the information of the phase differences in the experiments, the values of thickness are calculated. Both of the theoretical analysis and experimental results indicate that the approach presented is feasible and reliable. Thus, it is possible to use the method of phase detection to determine the thickness of different thin metal films in SPR prism couplers directly with nanometer resolution.
	TO cite this article:Liu Chao,Yue Chong,Qin Zirui, et al. SPR phase detection for measuring the thickness of different thin metal films[OL].[19 January 2018] http://en.paper.edu.cn/en_releasepaper/content/4743065


	5. SPR Phase Detection for Measuring the Thickness of Bimetallic Layers' Film

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