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Combined plasmonic nanocrystals and metal–organic framework thin-films are fabricated for sensing gases in the near-infrared range.

Large-size LED backlight is the new development trend of flat-panel TV industry. A large-sized ultra-slim edge-light type LED backlight is designed in this paper. Depending of the research of the LED manufacturers, LED is chose by the consideration of luminous efficiency, power consumption, structure design, etc. The LGP is designed through the optical design software; According to the specification and number of LED, the light-bar is designed to be double-layer MCPCB, and high voltage design is adopted in the driver control circuit which supports the PWM dimming; In order to achieve a better cooling effect, thermal design is carried out. The edge light type LED backlight designed in this paper, and backlight 9.9 mm thickness, 150W power, 5700nit center brightness, the uniformity is 82% by testing. It reaches a leading level of industry.

Adsorption is one of the most significant approaches for treatment of wastewater. An adsorbent with high mechanical strength, good renewability, and high efficiency is expected for practical applications. In this paper, a cationic xylan-based aerogel composed of xylan, polyvinyl alcohol, and agarose was fabricated to adsorb pectin, which is a typical anionic trash substance in the papermaking white water. The freeze-drying method was used to prepare the aerogel. A cationic xylan-based aerogel with high mechanical strength (34.676 MPa at 50% strain) was obtained. FT-IR results illustrated that the hydrogen bonds between three components contributed to the formation of aerogels. The addition of cationic xylan led to a slight decrease of crystallinity and thermostability of the aerogels. The maximum adsorption capacity of anionic pectin was 19.52 mg/g. Moreover, the aerogels maintained a high pectin-adsorption capacity after five recycles. This new cationic xylan-based aerogel offers potential possibilities for the development of value-added hemicellulose-based materials and the purification of papermaking white water in practical applications.