Dye-sensitized solar cells based on composite TiO$_2$ nanoparticle�?�nanorod single and bi-layer photoelectrodes

Bulletin of materials science

E PARVAZIAN¹  S A HOSSEINI²  F REZVANI² 

[1] Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran$$Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, IranDepartment of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran$$;Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran$$Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, IranDepartment of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran$$

关键词: Dye-sensitized solar cells;    composites;    nanostructure;    photovoltaic.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

TiO$_2$ nanoparticle (NP), composite TiO$_2$ nanoparticle�?�nanorod (NP�?�NR) and bi-layer TiO2 nanoparticle/ nanorod (NP/NR) with the optimized diameter of NRs had been prepared as anode layer in dye-sensitized solarcells (DSSCs). Morphology and thickness of anode layers were provided by field emission scanning electron microscope (FE-SEM) and scanning electron microscopy (SEM) devices. Current density�?�voltage diagrams were preparedby potentiostat and solar simulator devices at air mass (AM) 1.5. It is determined that DSSCs based on composite NP�?�NR photoelectrode had the best conversion efficiency of 5.07%. Also, the results of the electrochemical modelling of these DSSCs indicated that solar cells based on NP�?�NR electrode had the highest electron transport time ($au_d$) of 312.87 ms, electrons’ recombination lifetime ($au_n$) of 130.4 ms and the lowest transfer resistance ($R_{ct}$) as wellas transport resistance ($R_t$) of 22.46 and 9.4 $Omega$, respectively.

【 授权许可】

Unknown