Synthesis and Characterization of Donor-π-Acceptor-Based Porphyrin Sensitizers: Potential Application of Dye-Sensitized Solar Cells

被引：23

作者：

Sreenivasu, Mareedu ^{[1
]}

Suzuki, Akira ^{[2
]}

Adachi, Mitsuhiro ^{[2
]}

Kumar, Challuri Vijay ^{[1
]}

Srikanth, Bingi ^{[1
]}

Rajendar, S. ^{[1
]}

Rambabu, Dasa ^{[1
]}

Kumar, Rangaraju Satish ^{[1
]}

Mallesham, P. ^{[1
]}

Rao, N. Vijaya Bhaskar ^{[3
]}

Kumar, M. Suresh ^{[1
]}

Reddy, P. Y. ^{[1
]}

机构：

[1] Aisin Cosmos R&D Co Ltd, Hyderabad 500007, Andhra Pradesh, India

[2] Aisin Cosmos R&D Co Ltd, Kariya, Aichi 4488650, Japan

[3] Govt Degree Coll, Alair 508101, AP, India

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2014年 / 20卷 / 43期

关键词：

donor-acceptor systems; electrochemistry; porphyrins; sensitizers; zinc; TIO2; PHTHALOCYANINES; COMPLEXES; ARRAYS;

D O I：

10.1002/chem.201403660

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New porphyrin sensitizers based on donor-pi-acceptor (D-pi-A) approach have been designed, synthesized, characterized by various spectroscopic techniques and their photovoltaic properties explored. N, N'-Diphenylamine acts as donor, the porphyrin is the pi-spacer, and either carboxylic acid or cyanoacryclic acid acts as acceptor. All compounds were characterized by using H-1 NMR spectroscopy, ESI-MS, UV-visible emission spectroscopies as well as electrochemical methods. The presence of aromatic groups between porphyrin pi-plane and acceptor group push the absorption of both Soret and Q-bands of porphyrin towards the red region. The electrochemical properties suggests that LUMO of these sensitizers above the TiO2 conduction band. Finally, the device was fabricated using liquid redox electrolyte (I-/I-3(-)) and its efficiency was compared with that of a leading sensitizer.

引用

页码：14074 / 14083

页数：10

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