Characterization of poly methyl methaacrylate and reduced graphene oxide composite for application as electrolyte in dye sensitized solar cells

2018 ◽  
Vol 5 (4) ◽  
pp. 046204 ◽  
Author(s):  
Roshan Shrivatsav ◽  
Vignesh Mahalingam ◽  
E R Lakshmi Narayanan ◽  
N Naveen Balaji ◽  
Murali Balu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Solar Cells ◽  
Reduced Graphene Oxide ◽  
Dye Sensitized Solar Cells ◽  
Oxide Composite ◽  
Dye Sensitized ◽  
Reduced Graphene ◽  
Sensitized Solar Cells

scholarly journals Synthesis and Characterization of Reduced Graphene Oxide and Their Application in Dye-Sensitized Solar Cells

2019 ◽  
Vol 3 (1) ◽  
pp. 7 ◽  
Author(s):  
William Ghann ◽  
Hyeonggon Kang ◽  
Jamal Uddin ◽  
Farzana Chowdhury ◽  
Saiful Khondaker ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Graphene Oxide ◽  
Solar Cells ◽  
Reduced Graphene Oxide ◽  
Power Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Reduced Graphene ◽  
Sensitized Solar Cells

Reduced graphene oxide has certain unique qualities that make them versatile for a myriad of applications. Unlike graphene oxide, reduced graphene oxide is a conductive material and well suited for use in electrically conductive materials, such as solar cell devices. In this study, we report on the synthesis of graphene oxide as well as the fabrication and characterization of dye-sensitized solar cells with a photoanode which is an amalgam of reduced graphene oxide and titanium dioxide. The synthesized reduced graphene oxide and the corresponding photoanode were fully characterized using Ultraviolet-visible, Fourier transform infrared (FTIR), and Raman Spectrometry. The morphology of the sample was assessed using Atomic Force Microscopy, Field Emission Scanning Electron Microscopy, Transmission Electron Microscopy, and Energy Dispersive X-ray Spectroscopy. The photovoltaic characteristics were determined by photocurrent and photo-voltage measurements of the fabricated solar cells. The electrical impedances of both sets of devices were also evaluated. Overall, the solar to electric power efficiency of the device with reduced graphene oxide was observed to be higher (2.02%) than the device without the reduced graphene oxide (1.61%).

A hierarchical CoFeS2/reduced graphene oxide composite for highly efficient counter electrodes in dye-sensitized solar cells

2017 ◽  
Vol 46 (29) ◽  
pp. 9511-9516 ◽  
Author(s):  
Minmin Zhang ◽  
Jiantao Zai ◽  
Jie Liu ◽  
Ming Chen ◽  
Zeren Wang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Solar Cells ◽  
Reduced Graphene Oxide ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Counter Electrodes ◽  
Oxide Composite ◽  
Dye Sensitized ◽  
Reduced Graphene ◽  
Sensitized Solar Cells

Hierarchical CoFeS2/rGO CEs were designed to simultaneously optimize the electron and mass dynamics to achieve a high efficiency of 9.06%.

Effect of TiO2/reduced graphene oxide composite thin film as a blocking layer on the efficiency of dye-sensitized solar cells

2016 ◽  
Vol 21 (3) ◽  
pp. 891-903 ◽  
Author(s):  
Ramamoorthy Raja ◽  
Maheswari Govindaraj ◽  
Maggie Dayana Antony ◽  
Karthika Krishnan ◽  
Eswaramoorthi Velusamy ◽  
...  
Keyword(s):  
Thin Film ◽  
Graphene Oxide ◽  
Solar Cells ◽  
Reduced Graphene Oxide ◽  
Dye Sensitized Solar Cells ◽  
Blocking Layer ◽  
Oxide Composite ◽  
Dye Sensitized ◽  
Reduced Graphene ◽  
Sensitized Solar Cells

scholarly journals Graphene-Based Material for Fabrication of Electrodes in Dye-Sensitized Solar Cells

2020 ◽  
Author(s):  
Nguyen Huu Hieu
Keyword(s):  
Graphene Oxide ◽  
Solar Cells ◽  
Reduced Graphene Oxide ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Effective Electron ◽  
Oxide Composite ◽  
Dye Sensitized ◽  
Reduced Graphene ◽  
Sensitized Solar Cells

Graphene-based materials have been widely studied for the fabrication of electrodes in dye-sensitized solar cells (DSSCs). The use of graphene in the cathode is to reduce the amount of platinum (Pt), which in turn is expected to reduce the production cost of DSSCs. Additionally, in the structure of cathode, graphene acts as a supporting material to reduce the particle sizes of Pt and helps to maintain the high efficiency of DSSCs. For anodes, graphene can provide a more effective electron transfer process, resulting in the improvement of efficiency of DSSCs. In this chapter, the use of graphene-based materials for fabrication of cathodes and anodes in DSSCs, including platinum/reduced graphene oxide composite (Pt/rGO) and zinc oxide/reduced graphene oxide composite (ZnO/rGO) is discussed. The fabricated DSSCs were tested using current density-voltage (J-V) curves to evaluate the efficiency. The results of efficiency demonstrate that Pt/rGO is the potential material for fabrication of cathode in DSSCs, which helps to reduce the amount of Pt and maintain the high efficiency. The efficiency values of DSSCs fabricated from ZnO/rGO anodes show that the incorporation of reduced graphene oxide in the ZnO could improve the performance of DSSCs.

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