Excitonic Solar Cells: Exciton Formation, Doping, and Carrier Transport in Organic Photovoltaic Cells

RSC Advances ◽  
2014 ◽  
Vol 4 (102) ◽  
pp. 58342-58348 ◽  
Author(s):  
Chia-Te Yen ◽  
Fu-Chiao Wu ◽  
Horng-Long Cheng ◽  
Hwo-Shuenn Sheu ◽  
Fu-Ching Tang ◽  
...  

Carrier transport highways induced by nanoimprinted PEDOT:PSS gratings play important roles in the enhancement of the electrical performances of P3HT:ICBA-based organic photovoltaic cells.


2014 ◽  
Vol 2 (26) ◽  
pp. 5116-5123 ◽  
Author(s):  
Guangwu Li ◽  
Chong Kang ◽  
Xue Gong ◽  
Jicheng Zhang ◽  
Weiwei Li ◽  
...  

Three novel 5,6-difluorobenzothiadiazole and silafluorene based conjugated polymers have been synthesized and used as donor materials for polymer solar cells.


Author(s):  
J. C. Bernède ◽  
L. Cattin

The present manuscript is dedicated to In free transparent conductive andflexible heterostructure electrodes. The new electrodes correspond todielectric/metal/dielectic (D/M/D) multilayer structures deposited under vacuum. In thepresent work, after a fast review of the general properties of D/M/D electrodes using Ag asmetal, we then develop the study of D/Cu/D multilayer structures. We propose to substituteCu to Ag, because it is far cheaper. However, Cu having tendency to diffuse into manydielectrics it is difficult to obtain stable electrodes. We show that using Cu:alloys, i.e. Cu:Niand Cu:Al, as metal it is possible to decrease significantly the Cu ions diffusion and toincrease significantly the stability of the multilayer electrodes with Cu. Finally, we show thatwhen these electrodes are used as anode in organic photovoltaic cells, they can allowachieving efficiency similar to that obtained with ITO.


2019 ◽  
Vol 7 (36) ◽  
pp. 20713-20722 ◽  
Author(s):  
Ming-Ao Pan ◽  
Tsz-Ki Lau ◽  
Yabing Tang ◽  
Yi-Ching Wu ◽  
Tao Liu ◽  
...  

Ternary solar cells with an efficiency of 16.7% were enabled through the use of PCBM as a higher LUMO-level acceptor additive to concurrently increase Voc, Jsc and FF values.


RSC Advances ◽  
2014 ◽  
Vol 4 (85) ◽  
pp. 45325-45331 ◽  
Author(s):  
Monojit Bag ◽  
Timothy S. Gehan ◽  
Lawrence A. Renna ◽  
Dana D. Algaier ◽  
Paul M. Lahti ◽  
...  

We report the processing conditions for fabricating efficient organic solar cells from aqueous dispersions of conjugated polymer nanoparticles.


2016 ◽  
Vol 37 (2) ◽  
pp. 81
Author(s):  
Ivan Frederico Lupiano Dias ◽  
Dionicio Javier Cardús Chávez ◽  
Manuella Munhoz ◽  
Luiz Carlos Poças ◽  
Marco Aurélio Toledo Da Silva ◽  
...  

A procura de produtos ambientalmente amigáveis, com obtenção a partir de fontes facilmente renováveis e de fácil acesso, menor custo, biodegradáveis, menos agressivos à saúde humana, entre outros, levou ao desenvolvimento de tecnologias empregando corantes naturais. Neste trabalho desenvolve-se uma breve revisão sobre corantes naturais, classificação e procedência, suas propriedades químicas e estruturais e discute-se a aplicação destes corantes em dispositivos como células solares - OPVCs (Organic Photovoltaic Cells), células solares sensibilizadas por corante –DSSCs (Dye Sensitized Solar Cells) e diodos emissores de luz – OLEDs (Organic Light Emitters Diodes) entre várias outras aplicações.


2017 ◽  
Vol 5 (21) ◽  
pp. 10416-10423 ◽  
Author(s):  
Hao Zhang ◽  
Shaoqing Zhang ◽  
Ke Gao ◽  
Feng Liu ◽  
Huifeng Yao ◽  
...  

A new conjugated polymer utilizing diketopyrrolopyrrole (DPP) and benzo[1,2-c:4,5-c′]dithiophene-4,8-dione (BDD) units as the backbone framework was designed, synthesized, and applied in polymer solar cells.


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