Efficient dye-sensitized solar cells with broad absorption and enhanced photo-current generation

RSC Advances ◽  
2016 ◽  
Vol 6 (62) ◽  
pp. 56747-56755 ◽  
Author(s):  
Jihun Kim ◽  
Horim Lee ◽  
Dong Young Kim ◽  
Yongsok Seo

Metal-free organic dyes comprising donor, electron-conducting, and acceptor moieties with anchoring groups were synthesized for the sensitization of hierarchically structured TiO2 (HS-TiO2) nanoaggregates of TiO2 electrode.

2015 ◽  
Vol 17 (28) ◽  
pp. 18780-18789 ◽  
Author(s):  
Antonio Abate ◽  
Raquel Pérez-Tejada ◽  
Konrad Wojciechowski ◽  
Jamie M. Foster ◽  
Aditya Sadhanala ◽  
...  

Performance of new metal-free organic dyes for solid-state dye-sensitized solar cells with carboxylic and phosphonic acids as TiO2 anchoring groups.


RSC Advances ◽  
2016 ◽  
Vol 6 (71) ◽  
pp. 66833-66833
Author(s):  
Jihun Kim ◽  
Horim Lee ◽  
Dong Young Kim ◽  
Yongsok Seo

Correction for ‘Efficient dye-sensitized solar cells with broad absorption and enhanced photo-current generation’ by Jihun Kim et al., RSC Adv., 2016, 6, 56747–56755.


2019 ◽  
Vol 48 (6) ◽  
pp. 481-486 ◽  
Author(s):  
Mozhgan Hosseinnezhad ◽  
Hanieh Shaki

Purpose The purpose of this paper is to study the substituent effect in dye-sensitized solar cells’ (DSSCs) performance. For this end, three new metal organic dyes with DPA structure were synthesized. For investigation of the substituent effect, two different anchoring groups, namely, 1,3-dioxo-1Hbenz[de]isoquinolin-2(3H)-yl)benzenesulfonamides and 1,8-naphthalimide, were used. Design/methodology/approach Three organic dyes based on azo were selected, which contain various electron donor groups. Absorption properties of purified dyes were studied in solution and on photoelectrode (TiO2 and ZnO) substrate. DSSCs were prepared to determine the photovoltaic performance of each photosensitizer. Findings The results showed that all organic dyes form J-aggregation on the photoanode substrate. Cyclic voltammetry results for all organic dyes ensured an energetically permissible and thermodynamically favorable charge transfer throughout the continuous cycle of photo-electric conversion. The results illustrate conversion efficiencies of cells based on solution Dyes 1, 2 and 3 and TiO2 as 3.44, 4.71 and 4.82 per cent, respectively. The conversion efficiencies of cells based on solution Dye 1, 2 and 3 and ZnO are 3.21, 4.09 and 4.14 per cent, respectively. Practical implications In this study, the development of effect of assembling materials, offering improved photovoltaic properties. Social implications Organic dye attracts more and more attention because of its low-cost, facile route synthesis and less-hazardous properties. Originality/value To the best of the authors’ knowledge, the effect of anchoring agent and nanostructure on DSSCs performance was investigated for the first time.


2020 ◽  
Vol 8 (43) ◽  
pp. 15322-15330 ◽  
Author(s):  
Fang-Sian Lin ◽  
Pragya Priyanka ◽  
Miao-Syuan Fan ◽  
Sureshraju Vegiraju ◽  
Jen-Shyang Ni ◽  
...  

A series of new metal-free organic dyes based on 3,3′-dithioalkyl-2,2′-bithiophene (SBT) organic chromophores was synthesized for use in dye-sensitized solar cells (DSSCs).


ChemPhysChem ◽  
2014 ◽  
Vol 15 (6) ◽  
pp. 986-986
Author(s):  
Jinbao Zhang ◽  
Leif Häggman ◽  
Mohamed Jouini ◽  
Adel Jarboui ◽  
Gerrit Boschloo ◽  
...  

2017 ◽  
Vol 1 (4) ◽  
pp. 678-688 ◽  
Author(s):  
Naresh Duvva ◽  
Ushasri Chilakamarthi ◽  
Lingamallu Giribabu

Tetrathiafulvalene and dithiafulvalene are thermally stable, versatile and their HOMO–LUMO levels can be easily through molecular engineering to yield metal-free organic dyes for dye-sensitized solar cells, which are not restricted by the availability of natural resources.


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