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It is reported that the Institute of Applied Technology of the Hefei Institute of Physical Sciences, Chinese Academy of Sciences, recently cooperated with North China Electric Power University to make new progress in the research of nanomaterials for solar cells, and obtained a macrosynthetic structure and morphological controllable hierarchical structure submicrosphere method
.
The dye-sensitized solar cells prepared by applying this new hierarchical structure submicron spheres have a photoelectric conversion efficiency of 11.
67%.
This achievement increases the size of the microsphere inside the pore without "sacrificing" the specific surface area of the microsphere, thus ensuring the adsorption capacity
of the dye.
The researchers controlled the specific surface area of the porous film based on microspheres to more than 110m2/g, and the average pore diameter in the microspheres was increased from 10 nanometers to more than 16 nanometers, so as to achieve full adsorption of dye molecules and rapid electrolyte diffusion
in the entire microsphere.
The microspheres have not only achieved good application in high-efficiency dye-sensitized solar cells, but also in other new types of solar cells such as quantum dots and perovskite solar cells
.
As a key factor affecting the performance of dye-sensitized solar cells, nanomaterials should not only have high specific surface area, large pore size and porosity, but also scatter visible light and form channels for rapid electron transport
.
It is reported that the Institute of Applied Technology of the Hefei Institute of Physical Sciences, Chinese Academy of Sciences, recently cooperated with North China Electric Power University to make new progress in the research of nanomaterials for solar cells, and obtained a macrosynthetic structure and morphological controllable hierarchical structure submicrosphere method
.
The dye-sensitized solar cells prepared by applying this new hierarchical structure submicron spheres have a photoelectric conversion efficiency of 11.
67%.
This achievement increases the size of the microsphere inside the pore without "sacrificing" the specific surface area of the microsphere, thus ensuring the adsorption capacity
of the dye.
The researchers controlled the specific surface area of the porous film based on microspheres to more than 110m2/g, and the average pore diameter in the microspheres was increased from 10 nanometers to more than 16 nanometers, so as to achieve full adsorption of dye molecules and rapid electrolyte diffusion
in the entire microsphere.
The microspheres have not only achieved good application in high-efficiency dye-sensitized solar cells, but also in other new types of solar cells such as quantum dots and perovskite solar cells
.
As a key factor affecting the performance of dye-sensitized solar cells, nanomaterials should not only have high specific surface area, large pore size and porosity, but also scatter visible light and form channels for rapid electron transport
.
