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ICG‐Sensitized NaYF4:Er Nanostructure for Theranostics
10.1002/adom.201701142 2018-04-06 Here lanthanide‐doped luminescent nanoparticles (LNPs) NaYF4:Er conjugated to the indocyanine green dye (ICG) are introduced for theranostics applications in trimodal imaging as well as in photothermal therapy. ICG as a donor with high absorption cross‐sectio... |
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High‐Q Metallic Fano Metamaterial for Highly Efficient Cerenkov Lasing
10.1002/adom.201800041 2018-04-03 A high‐quality‐factor (high‐Q) metallic Fano metamaterial is demonstrated both experimentally and theoretically. This material is suitable for highly efficient Cerenkov lasing in which subwavelength metallic slits are arranged to form asymmetric unit cells. I... |
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Template‐Directed Solidification of Eutectic Optical Materials
10.1002/adom.201800071 2018-03-30 Mesostructured materials can exhibit enhanced light–matter interactions, which can become particularly strong when the characteristic dimensions of the structure are similar to or smaller than the wavelength of light. For controlling visible to near‐infrared ... |
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Photorefractive Effect in Organic–Inorganic Hybrid Perovskites and Its Application to Optical Phase Shifter
10.1002/adom.201701366 2018-03-23 Single crystals of methylammonium lead trihalide perovskites with high optical transparency and well‐defined facets are grown via solution process. Using these high‐quality crystals, the photocarrier‐induced refractive‐index change is observed for the first t... |
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Reliable Synthesis of Large‐Area Monolayer WS2 Single Crystals, Films, and Heterostructures with Extraordinary Photoluminescence Induced by Water Intercalation
10.1002/adom.201701347 2018-03-22 Two‐dimensional transition metal dichalcogenides (TMDs) hold great potential for future low‐energy optoelectronics owing to their unique electronic, optical, and mechanical properties. Chemical vapor deposition (CVD) is the technique widely used for the synth... |
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Color‐by‐Blue QD‐Emissive LCD Enabled by Replacing RGB Color Filters with Narrow‐Band GR InP/ZnSeS/ZnS QD Films
10.1002/adom.201701239 2018-03-15 Color‐by‐blue quantum dot (QD)‐emissive liquid‐crystal displays (LCDs) with eco‐friendly, green, red (GR) InP/ZnSeS/ZnS QD films are introduced to overcome the disadvantages of conventional color‐by‐white color filter (CF)‐assisted LCDs, such as a narrow view... |
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High‐Performance Electrochromic Optical Shutter Based on Fluoran Dye for Visibility Enhancement of Augmented Reality Display
10.1002/adom.201701382 2018-03-15 In this paper, a high‐performance electrochromic optical shutter (ECOS) based on fluoran dye and an augmented reality (AR) display system comprising of ECOS are proposed. The electrochromic reactions of the fluoran dye that transmit or absorb visible light de... |
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Widening the Temperature Range of Luminescent Thermometers through the Intra‐ and Interconfigurational Transitions of Pr3+
10.1002/adom.201701318 2018-03-15 In this study, it is shown how the temperature range of luminescent thermometers can be widened in an unprecedented way by combining the intra‐ and interconfigurational transitions of the Pr3+ ion in a single material. Using Sr2GeO4:Pr3+ crystalline powders a... |
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Wavenumber‐Splitting Metasurfaces Achieve Multichannel Diffusive Invisibility
10.1002/adom.201800010 2018-03-14 The emerging invisibility schemes mainly adopt transformation optics, scattering cancellation, light diffusion, and metasurface‐based phase restoration techniques. However, those aforementioned invisibility achievements natively depend on the predefined curva... |
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Designing the Iridescences of Biopolymers by Assembly of Photonic Crystal Superlattices
10.1002/adom.201800066 2018-03-12 Structural color in naturally occurring systems is generally constituted by nanoscale lattices of biopolymers that generate beautiful iridescences through their regular structures, often interspersed with defects or period mismatch. Taking inspiration from bo... |