研究目的
Exploring the beneficial effects of both HDA capped and uncapped materials on surface treatments, leading to improving electrochemical performance of quantum dots sensitizers’ absorber in photovoltaic cells.
研究成果
The study concluded that SnS/HDA exhibited better performance compared to SnS sensitizers due to the presence of HDA capping agent, as evidenced by CV, EIS, XRD, I–V, and Bode plot results. The HDA capping agent improved electron lifetime and reduced electron recombination.
研究不足
The study focuses on the electrochemical performance of SnS/HDA and SnS sensitizers in photovoltaic cells. Limitations include the specific conditions under which the materials were synthesized and tested, which may not be universally applicable.
1：Experimental Design and Method Selection
The study adopted a single-source precursor approach with HDA as a capping agent to synthesize SnS nanocrystals. Structural, morphological, and electrochemical instruments were used for characterization.
2：Sample Selection and Data Sources
SnS nanoparticles were synthesized with and without HDA capping agent. The materials were characterized using XRD, AFM, HRTEM, CV, EIS, and I–V measurements.
3：List of Experimental Equipment and Materials
Fluorine-doped tin oxide (FTO) glass substrate, TiO2, platinum FTO, HI-30 electrolyte iodide, masks, gaskets, chenodeoxycholic acid (CDC), hot seal, oleic acid (OA), methanol, HDA, SnS/HDA, and SnS nanoparticles.
4：Experimental Procedures and Operational Workflow
Nanoparticles were fabricated using thermal decomposition of bis(N-1,4-Phenyl-N-Morhpo-dithiocarbamato) tin(II) complex. QDSSCs were prepared with TiO2 photoanode sensitized with the fabricated dye, Pt counter electrode, and HI-30 electrolyte.
5：Data Analysis Methods
Electrochemical studies were carried out using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). Current density–voltage (I–V) parameters were collected, and conversion efficiency was calculated using specific equations.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容-
Metrohm 85695 Autolab with Nova 1.10 software
85695
Metrohm
Used for electrochemical studies including cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS).
-
Keithley 2401 source meter
2401
Keithley
Used to collect current density–voltage (I–V) parameters.
-
JEOL JEM 2100 High-Resolution Transmission Electron Microscope (HRTEM)
JEM 2100
JEOL
Used to examine the measurements and morphology of the synthesized SnS/HDA and SnS.
-
Perkin Elmer TGA 4000 ThermoGravimetric Analyser (TGA)
TGA 4000
Perkin Elmer
Used for the thermal decomposition of the tin(II) complex to synthesize SnS nanocrystals.
-
Fluorine-doped tin oxide (FTO) glass substrate
Solaronix
Used as a glass substrate for TiO2 in the fabrication of solar cells.
-
TiO2
Solaronix
Used as a photoanode in the fabrication of solar cells.
-
Platinum FTO
Solaronix
Used as a counter electrode in the fabrication of solar cells.
-
HI-30 electrolyte iodide
Solaronix
Used as a mediating solution in the fabrication of solar cells.
-
Chenodeoxycholic acid (CDC)
Solaronix
Used as a co-adsorbent in the fabrication of solar cells.
-
Hot seal
Solaronix
Used in the assembly of solar cells.
-
Oleic acid (OA)
Used in the synthesis of SnS nanoparticles.
-
Methanol
Used in the synthesis of SnS nanoparticles.
-
Hexadecylamine (HDA)
Used as a capping agent in the synthesis of SnS nanoparticles.
-
SnS/HDA
Used as a photosensitizer in the fabrication of solar cells.
-
SnS
Used as a photosensitizer in the fabrication of solar cells.
-
Thorax light power meter
Thorax
Used in conjunction with the Keithley 2401 source meter for I–V measurements.
-
Lumixo AM1.5 light simulator
AM1.5
Lumixo
Used to simulate sunlight for testing solar cells.
-
X-ray diffractometer (XRD)
Used to evaluate the structural pattern of the samples.
-
Atomic force microscopy (AFM)
NanoWizard II
JPK Instruments
Used to identify the surface roughness of the SnS/HDA and SnS FTO substrates.
-
登录查看剩余17件设备及参数对照表
查看全部
