Session Index

In this report, we use atomic layer deposition (ALD) to grow HfO2/ZnO superlattice on SiO2/Si substrate. By changing the thickness ratio of HfO2/ZnO, we investigate the optical and electrical properties of Hf:ZnO digital alloys.

 

When ZnO nanorods (ZnR) were grown with the addition of sodium citrate modifier, the properties of ZnR was improved, and the electrochromic composite of WO3/ZnR showed a high coloration efficiency. The bleaching time was reduced from 2.9 to 1.9 s, and the transmittance variance was increased from 9.4% to 26.2%.

 

Two-dimensional layered tin dichalcogenides nanocrystals have attracted great attention due to their exceptional electrical and optoelectronic properties. Their bandgap can be fine-tuned between 1-2 eV by adjusting the proportions in SnS2(1-x)Se2x ternary compounds. We systematically investigated the structural and optoelectronic properties of ternary tin dichalcogenides crystals in this study.

 

Spectral characteristics of gold nanospheres with four different diameters of 10, 50, 70, 100 nm on a thin film resonator were studied using finite-difference time-domain method. Plasmonic resonance and coupling resonance spectra between nanospheres and the film were revealed and discussed based on the varying resonator cavity lengths.

 

Recent years, there are lots of drug-of-abuse in anywhere. The rapid and low-cost identification for unknown drug is importance, and Raman is the one of the methods. By using low-cost dewetting gold film, we present enhanced Raman spectra of various drugs.

 

Simulation of graphene/pyramidal thin Si solar cell with Pt nanoparticles to improve the conversion efficiency was performed by the finite-difference time-domain (FDTD) method. Solar cell with 10nm Pt nanoparticles shows obviously enhanced electrical field intensity due to surface plasmon resonance, leading to improved efficiency of 6.14 %.

 

In this study, we fabricate the flexible reduced graphene oxide (rGO)/silicon heterojunction solar cell by cost-effective solution process. To improve the conductivity of rGO, Ag nanowires (AgNWs)/rGO hybrid film were constructed, resulting in improved efficiency due to reduced resistance.

 

Facile synthesis protocol proposed in this study is capable to produce the orange CsPbBr3 powder with the amount exceeding 10 g. The orthorhombic powder shows its photoluminescence peak centered at ~520 nm. The stabilities of the powder and films were demonstrated in the PL measurement and thermal cycling experiment, respectively.

 

High light extraction efficiency(LEE) light-emitting thyristor(LET) is proposed. At an current injection of 20 mA, the LET with both of DBR and GaP structure possessed 157% and 76% improvements in the LEE as compared with those of LET with DBR only structure and GaP only structure, respectively.

 

We demonstrate the potential applications of the plasmonic radiative cooling structure for the power generation. The Seebeck effect is observed by creating temperature differences between the two sides of a TEG chip via a SiO2/PMMA nanocomposite film.

 

This paper will study on performance comparison of n-side up thin-film red LEDs transferred to CIC(Copper Invar Copper) and CuW substrates by wafer bonding technique. It was found that the bonding yield is more than 90% and bowing of the wafer pair is about 21.48 μm for LED/CIC substrate.

 

We calculation the relationship between parameters of incident light and the particle plasmon resonance sensor refractive index sensitivity has been explored. Results show that the decrement of full width at half maximum can enhance refractive index sensitivity of the particle plasmon resonance sensor and a relatively high sensitivity was found.

 

The plasmonic random laser have been demonstrated by the dye coated PVA film with embedding of silver nanoparticle that played the role not only the scatter but also the surface plasmon resonance.

 

A novel fiber optic particle plasmon resonance sensor composed of a tapered optical fiber was demonstrated in the present study. The total length of the tapered fiber was 23 mm, five different waist diameters were fabricated and modified with gold nanoparticles on the waist surface to produce the nanoplasmonics sensor.

 

The optimized Gallium-doped ZnO thin film had been done by “Intermittent Process” treatment, and is supposed to apply on pulse sensor. Due to ZnO series semiconductor materials has higher sensibility, which is possible to take place the strain gauge. GZO deposit on PC substrate with various intermittent parameter was studied.

 

In this study, we fabricated the heterostructure of n-ZnO microrod (MR)/p-GaN film device. In order to improve the electronic luminescence of the device, Ag film was coated on the ZnO MR. The performance of the injection current and electroluminescence (EL) is better than that of the uncoated one.

 

Imaging spectroscopic system based on a transmission dark field microscope and a Michelson interferometer was used to detect the extinction spectra of gold nanoparticles with mixed sizes. The dependence of the size of the gold nanoparticles and the wavelength of the scattering spectrum is demonstrated.

 

Cs0.33WO3 nanomaterial absorbs a range of near-infrared (NIR) wavelength spanning 900–2400 nm. When compared with a bare thermoelectric device, the coating of Cs0.33WO3 nanomaterial with concentration of 0.66 wt% demonstrated a rise of 13.1% in the maximal attainable temperature and a corresponding increase of 291% in maximal output voltage.

 

This work proposes a fiber-Fabry– Pérot interferometer for simultaneous measurement of thermo-optics coefficient (TOC) and thermal-expansion coefficient (TEC) of polymer. Experimental result shows the proposed sensor can simultaneously measure the two parameters with good accuracy.

 

Through the light-driven self-assembly of GNRs, the gold nanowires were synthesized by the irradiation of a linearly-polarized laser. The process was conducted in a droplet of gold colloid on a glass irradiated by a LP near-infrared low-power laser at room temperature and atmospheric pressure without chemical additive.

 

We theoretically study the optomechanics of a fixed Au nanoparticle (NP) upon a free polystyrene NP as irradiated by a polarized Gaussian Beam. Using 3D streamline of optical force, we reveal that a free polystyrene NP can be trapped by the Au NP through the contact or noncontact modes.

 

Metal-enhanced fluorescence substrate is fabricated by placing silver nanorod array over a hyperbolic metamaterial. The fluorescent dye DCJTB is deposited on the MEF substrate. The photoluminescence intensity enhances 20.69 times and the lifetime reduces 58%. Our results demonstrate the silver nanorod over HMM substrate is promising for MEF applications.

 

The optomechanical trapping of a fixed gold dimer on a dielectric nanoparticle (NP) induced by a linearly polarized Gaussian beam was studied theoretically. The optical force field of the NP shows that a noncontact trapping can be generated; the NP is attracted toward a stagnation point with zero force.

 

Vertically aligned gold dimers are fabricated by combining Nanospherical-Lens Lithography (NLL) and angle-deposition methods. Theoretical simulation suggests that the electric field can be greatly enhanced at the tip region when incident light that matches the surface plasmon resonance of the Au dimers.

 

Optical transmission spectra through liquid-crystal (LC) covered aluminum grating are theoretically computed using the FDTD method. The grating-coupled surface plasmons and extraordinary optical transmission (EOT) phenomena are discussed and the variation of the EOT peak wavelength with the LC optic-axis rotation, workable as a tunable transmission filter, is demonstrated.