Organic photovoltaic cells containing discotic liquid crystalline phthalocyanines

2004 ◽  
Author(s):  
Seunghyup Yoo ◽  
Benoit Domercq ◽  
Carrie L. Donley ◽  
Chet Carter ◽  
Wei Xia ◽  
...  
Keyword(s):  
Liquid Crystalline ◽  
Photovoltaic Cells ◽  
Organic Photovoltaic ◽  
Organic Photovoltaic Cells

Photosensitive self-assembling materials as functional dopants for organic photovoltaic cells

RSC Advances ◽  
2016 ◽  
Vol 6 (14) ◽  
pp. 11577-11590 ◽  
Author(s):  
Alexej Bubnov ◽  
Agnieszka Iwan ◽  
Martin Cigl ◽  
Bartosz Boharewicz ◽  
Igor Tazbir ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Liquid Crystalline ◽  
Photovoltaic Cells ◽  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Organic Photovoltaic Cells ◽  
Self Assembling

New photosensitive liquid crystalline compounds with a specific molecular structure have been designed in order to use them as functional dopants for organic photovoltaic devices.

scholarly journals Effects of Au Nanoparticle Addition to Hole Transfer Layer in Organic Photovoltaic Cells Based on Phthalocyanines and Fullerene

2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Akihiko Nagata ◽  
Takeo Oku ◽  
Tsuyoshi Akiyama ◽  
Atsushi Suzuki ◽  
Yasuhiro Yamasaki ◽  
...  
Keyword(s):  
Energy Levels ◽  
Photovoltaic Cells ◽  
Organic Photovoltaic ◽  
Au Nanoparticle ◽  
Molecular Orbital Calculations ◽  
Organic Photovoltaic Cells ◽  
Transfer Layer ◽  
Hole Transfer ◽  
Transmission Electron ◽  
Conversion Efficiencies

Phthalocyanines/fullerene organic photovoltaic cells were fabricated and characterized. Effects of Au nanoparticle addition to a hole transfer layer were also investigated, and power conversion efficiencies of the photovoltaic cells were improved after blending the Au nanoparticle into PEDOT:PSS. Nanostructures of the Au nanoparticles were investigated by transmission electron microscopy and X-ray diffraction. Energy levels of molecules were calculated by molecular orbital calculations, and the nanostructures and electronic property were discussed.

Interface modification of ITO thin films: organic photovoltaic cells

2003 ◽  
Vol 445 (2) ◽  
pp. 342-352 ◽  
Author(s):  
Neal R Armstrong ◽  
Chet Carter ◽  
Carrie Donley ◽  
Adam Simmonds ◽  
Paul Lee ◽  
...  
Keyword(s):  
Thin Films ◽  
Photovoltaic Cells ◽  
Organic Photovoltaic ◽  
Organic Photovoltaic Cells ◽  
Interface Modification ◽  
Ito Thin Films

scholarly journals Improved Morphology of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) Thin Films for All-Electrospray-Coated Organic Photovoltaic Cells

2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Yingjie Liao ◽  
Takeshi Fukuda ◽  
Norihiko Kamata
Keyword(s):  
Thin Films ◽  
High Performance ◽  
Photovoltaic Cells ◽  
Spray Coating ◽  
Organic Photovoltaic ◽  
Organic Photovoltaic Cells ◽  
Ambient Conditions ◽  
Deposition Parameters ◽  
Coating Methods ◽  
Organic Devices

Spray coating technique has been established as a promising substitute for the traditional coating methods in the fabrication of organic devices in many reports recently. Control of film morphology at the microscopic scale is critical if spray-coated devices are to achieve high performance. Here we investigate electrospray deposition protocols for the fabrication of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin films with a single additive system under ambient conditions at room temperature. Critical deposition parameters including solution composition, applied voltage, and relative humidity are discussed systematically. Optimized process for preparing homogenous PEDOT:PSS thin films is applied to all-electrospray-coated organic photovoltaic cells and contributes to a power conversion efficiency comparable to that of the corresponding all-spin-coated device.

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