[1] AUZEL F. Upconversion and anti-Stokes processes with f and d Ions in Solids［J］. Chemical Reviews, 2004, 104(1): 139-173.

[2] FENG Z H, LIN L, WANG Z Z, et al. Low temperature sensing behavior of upconversion luminescence in Er3+ /Yb3+ codoped PLZT transparent ceramic［J］. Optics Communications, 2017, 399: 40-44.

[3] YUAN C, CHEN G, LI L, et al. Simultaneous multiple wavelength upconversion in a core-shell nanoparticle for enhanced near infrared light harvesting in a dye-sensitized solar cell［J］. ACS Applied Materials & Interfaces, 2014, 6(20): 18018-18025.

[4] WU M, CONGREVE D N, WILSON M W B, et al. Solid-state infrared-to-visible upconversion sensitized by colloidal nanocrystals［J］. Nature Photonics, 2015, 10(1): 31-34.

[5] ZHOU B, SHI B, JIN D, et al. Controlling upconversion nanocrystals for emerging applications［J］. Nature Nanotechnology, 2015, 10(11): 924-936.

[6] YUAN P, LEE Y H, GNANASAMMANDHAN M K, et al. Plasmon enhanced upconversion luminescence of NaYF4∶Yb,Er@SiO2@Ag core-shell nanocomposites for cell imaging［J］. Nanoscale, 2012, 4(16): 5132-5137.

[7] LIAO X, CHEN Y, QIN M, et al. Au-Ag-Au double shell nanoparticles-based localized surface plasmon resonance and surface-enhanced Raman scattering biosensor for sensitive detection of 2-mercapto-1-methylimidazole［J］. Talanta, 2013, 117: 203-208.

[8] WU Y, SHEN X, DAI S, et al. Silver nanoparticles enhanced upconversion luminescence in Er3+/Yb3+ codoped bismuth-germanate glasses［J］. The Journal of Physical Chemistry C, 2011, 115(50): 25040-25045.

[9] CHEN H, MING T, ZHAO L, et al. Plasmon-molecule interactions［J］. Nano Today, 2010, 5(5): 494-505.

[10] CHEN X, XU W, ZHANG L, et al. Large upconversion enhancement in the “islands” Au-Ag Alloy/NaYF4∶Yb3+, Tm3+/Er3+ composite films, and fingerprint identification［J］. Advanced Functional Materials, 2015, 25(34): 5462-5471.

[11] 徐森元, 郑标, 林林, 等. 银纳米立方颗粒表面等离子激元增强β-NaYF4∶Er3+, Yb3+上转换的研究［J］. 人工晶体学报, 2016, 45(3): 649-654.

    XU Sen-yuan, ZHENG Biao, LIN Lin, et al. Study on surface plasmon-enhanced upconversion in β-NaYF4∶Er3+, Yb3+ combined with Ag nanocubes［J］. Journal of Synthetic Crystals, 2016, 45(3): 649-654.

[12] CHEN X, ZHOU D, XU W, et al. Fabrication of Au-Ag nanocage@NaYF4@NaYF4∶Yb,Er core-shell hybrid and its tunable upconversion enhancement［J］. Scientific Reports, 2017, 7: 41079.

[13] WANG Y L, MOHAMMADI ESTAKHRI N, JOHNSON A, et al. Tailoring plasmonic enhanced upconversion in single NaYF4∶Yb3+/Er3+ nanocrystals［J］. Scientific Reports, 2015, 5: 10196.

[14] YIN Z, ZHOU D, XU W, et al. Plasmon-Enhanced Upconversion Luminescence on Vertically Aligned Gold Nanorod Monolayer Supercrystals［J］. ACS Applied Materials & Interfaces, 2016, 8(18): 11667-11674.

[15] YI M, ZHANG D, WEN X, et al. Fluorescence enhancement caused by plasmonics coupling between silver nano-cubes and silver film［J］. Plasmonics, 2011, 6(2): 213-217.

[16] ZHU W J, CHEN D Q, LEI L, et al. An active-core/active-shell structure with enhanced quantum-cutting luminescence in Pr-Yb co-doped monodisperse nanoparticles［J］. Nanoscale, 2014, 6(18): 10500-10504.

[17] SKRABALAK S E, AU L, LI X, et al. Facile synthesis of Ag nanocubes and Au nanocages［J］. Nature Protocols, 2007, 2(9): 2182-2190.

[18] YE X, ZHENG C, CHEN J, et al. Using binary surfactant mixtures to simultaneously improve the dimensional tunability and monodispersity in the seeded growth of gold nanorods［J］. Nano Letters, 2013, 13(2): 765-771.

[19] ZHENG B, LIN L, HUANG L L, et al. Enhancement of three-photon near-infrared quantum cutting in β-NaYF4∶Er3+ nanoparticles by Ag nanocubes［J］. Materials Research Bulletin, 2018, 101: 199-204.

[20] ZHAN Q, ZHANG X, ZHAO Y, et al. Tens of thousands-fold upconversion luminescence enhancement induced by a single gold nanorod［J］. Laser & Photonics Reviews, 2015, 9(5): 479-487.

[21] SHAO B, YANG Z, LI J, et al. Upconversion emission enhancement by porous silver films with ultra-broad plasmon absorption［J］. Optical Materials Express, 2017, 7(4): 1188-1197.

[22] ABADEER N S, BRENNAN M R, WILSONW L, et al. Distance and plasmon wavelength dependent fluorescence of molecules bound to silica-coated gold nanorods［J］. ACS Nano, 2014, 8(8): 8392-8406.

[23] ZHENG B, LIN L, FENG Z H, et al. Enhanced quantum cutting luminescence by Au nanorods through improving radiative transition rate［J］. Optics Communications, 2017, 402: 336-339.