研究目的
Investigating the therapeutic effects of a specific herbal medicine on a particular disease.
研究成果
In summary, Ti doped ZnO nanoparticles with mesoporous structure were synthesized via a simple synthetic route, and then successfully applied in dye-sensitized solar cells as a photoanode. It was found that ZnO nanoparticles decorated with Ti exhibited a superior light harvesting performance and the best efficiency of 5.56% could be obtained. Our experiments prove that the 44.7% photovoltaic performance enhancement can be possibly ascribed to the improved Fermi level and large surface area, which enhance dye loading ability, reduce charge recombination resistance and increase the harvest of photoexcited electrons. In conclusion the present work will provide a new route for the synthesis of efficient and unique working electrode materials.
研究不足
The technical and application constraints of the experiments, as well as potential areas for optimization.
1：Experimental Design and Method Selection:
Includes the overall experimental design rationale, the theoretical models or algorithms employed, and detailed procedures of the experimental methods.
2：Sample Selection and Data Sources:
Specifies the samples or datasets used in the experiment, including selection criteria and data acquisition methods.
3：List of Experimental Equipment and Materials:
Enumerates the required instruments, devices, and materials, along with their specifications and intended uses.
4：Experimental Procedures and Operational Workflow:
Provides a step-by-step description of the experimental process, covering equipment setup, data collection techniques, and control of variables during the experiment.
5：Data Analysis Methods:
Explains the approach for analyzing experimental data, including statistical techniques and software tools utilized.
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scanning electron microscope
Hitachi S4800
Hitachi
Determination of size and morphology
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transmission electron microscope
Tecnai G2 F20
FEI
Characterization of morphology and intrinsic structure
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UV-vis spectrophotometer
Shimadzu UV-2450
Shimadzu
Spectroscopic measurement
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SourceMeter
Keithley 2400
Keithley
Investigation of current-voltage (I-V) characteristic
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X-ray photoelectron spectroscopy
Investigation of crystallinity, morphology, surface area, optical and electrochemical properties
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transmission electron microscopy
Investigation of crystallinity, morphology, surface area, optical and electrochemical properties
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X-ray diffraction
Investigation of crystallinity, morphology, surface area, optical and electrochemical properties
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surface area analyzer
ASAP 2020
Micromeritics
Performance of N2 adsorption-desorption isotherms
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profilometer
Accretech Surfcom 130A
Accretech
Measurement of film thickness
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Raman microscope
Renishaw inVia
Renishaw
Spectroscopic measurement
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multimeter
PEC S-20
Peccell
Recording of incident photon-to-current conversion efficiency (IPEC) spectra
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electrochemical workstation
IM6
Zahner
Conduction of electrochemical impedance spectroscopy (EIS)
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