Abstract:
The present invention relates to an indoor ornamental plant cultivation device including a stand portion where a plurality of cultivation ports are arranged in a circumference; a lighting unit that emits a light source toward the cultivation ports from above the stand portion; and an ultrasonic wave humidification device that is disposed on an upper side of the lighting unit to generate cloud and mist and supply moisture to the cultivation port. The lighting unit that is capable of plant cultivation is disposed in the stand portion where the plurality of cultivation ports are arranged in a circular manner to be used as mood light. The ultrasonic wave humidification device that is disposed can be used as a moisture supply and indoor humidity adjusting device required for plant cultivation to provide fresh indoor environments. In addition, the present invention uses a home-use LED light source as the lighting unit, and thus plant cultivation is available at night as well as indoors where natural light is unavailable. Accordingly, sprout vegetable can be grown to be provided as food, and the lighting unit can be utilized as mood light. In addition, the present invention can provide the optimum conditions for plant cultivation because the LED light source having a wavelength range suitable for growth conditions of a cultivated plant is selectively used and replaced.
Abstract:
The present invention relates to a method for manufacturing a titanium dioxide (TiO_2) nano-dispersion solution for a dye-sensitized solar cell photoelectrode, the nano-dispersion solution, and a dye-sensitized solar cell manufactured using the nano-dispersion solution. More particularly, disclosed are the method for manufacturing titanium dioxide nano-dispersion solution for a dye-sensitized solar cell photoelectrode, the nano-dispersion solution manufactured by the same, and the dye-sensitized solar cell using the same, wherein the method comprises: a first mixing process for mixing, in a mixer, a composition including 5-30 parts by weight of titanium dioxide nano-particles, 0.5-10 parts by weight of a dispersing agent, and 60-90 parts by weight of an alcoholic solvent at a speed of 100-200 rpm for at least five hours; a second ultrasonic wave mixing process for carrying out dispersion of the mixture prepared in the first mixing process in an ultrasonic wave dispenser for 30-60 minutes; and a titanium dioxide particle size adjusting process by dispersing the dispersed material formed in the second ultrasonic wave mixing process through a bead mill such that the dispersed particle of the titanium dioxide has a size of 10-150 nm.