Polymers from phenyl-substituted benzodithiophene and tetrafluoridequinoxaline with high open circuit voltage and high fill factor

2016 ◽  
Vol 37 ◽  
pp. 287-293 ◽  
Author(s):  
Jun Yuan ◽  
Lixia Qiu ◽  
Shutao Xu ◽  
Zhiguo Zhang ◽  
Yongfang Li ◽  
...  
Keyword(s):  
Fill Factor ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
High Fill Factor

High Efficiency AlxGa1-xAs–GaAs Solar Cells with High Open-Circuit Voltage and High Fill Factor

1980 ◽  
Vol 19 (S2) ◽  
pp. 187 ◽  
Author(s):  
Susumu Yoshida ◽  
Kotaro Mitsui ◽  
Takao Oda ◽  
Kiyoshi Shirahata
Keyword(s):  
Solar Cells ◽  
Fill Factor ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
High Fill Factor

scholarly journals High Fill Factor and Open Circuit Voltage in Organic Photovoltaic Cells with Diindenoperylene as Donor Material

2010 ◽  
Vol 20 (24) ◽  
pp. 4295-4303 ◽  
Author(s):  
Julia Wagner ◽  
Mark Gruber ◽  
Alexander Hinderhofer ◽  
Andreas Wilke ◽  
Benjamin Bröker ◽  
...  
Keyword(s):  
Fill Factor ◽  
Open Circuit Voltage ◽  
Photovoltaic Cells ◽  
Open Circuit ◽  
Organic Photovoltaic ◽  
Organic Photovoltaic Cells ◽  
Donor Material ◽  
High Fill Factor

High open-circuit voltage, high fill factor single-junction organic solar cells

2014 ◽  
Vol 105 (8) ◽  
pp. 083304 ◽  
Author(s):  
Yuelin Peng ◽  
Lushuai Zhang ◽  
Trisha L. Andrew
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Single Junction ◽  
High Fill Factor

High Efficiency AlxGa1-xAs–GaAs Solar Cells with High Open-Circuit Voltage and High Fill Factor

1980 ◽  
Vol 19 (S1) ◽  
pp. 563 ◽  
Author(s):  
Susumu Yoshida ◽  
Kotaro Mitsui ◽  
Takao Oda ◽  
Toshio Sogo ◽  
Kiyoshi Shirahata
Keyword(s):  
Solar Cells ◽  
Fill Factor ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
High Fill Factor

Microcrystalline (Si,Ge):H Solar Cells

2003 ◽  
Vol 762 ◽  
Author(s):  
Jianhua Zhu ◽  
Vikram L. Dalal
Keyword(s):  
Solar Cells ◽  
Buffer Layer ◽  
Quantum Efficiency ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Defect Density ◽  
Cell Structure ◽  
Open Circuit ◽  
Base Layer ◽  
Ecr Plasma

AbstractWe report on the growth and properties of microcrystalline Si:H and (Si,Ge):H solar cells on stainless steel substrates. The solar cells were grown using a remote, low pressure ECR plasma system. In order to crystallize (Si,Ge), much higher hydrogen dilution (∼40:1) had to be used compared to the case for mc-Si:H, where a dilution of 10:1 was adequate for crystallization. The solar cell structure was of the p+nn+ type, with light entering the p+ layer. It was found that it was advantageous to use a thin a-Si:H buffer layer at the back of the cells in order to reduce shunt density and improve the performance of the cells. A graded gap buffer layer was used at the p+n interface so as to improve the open-circuit voltage and fill factor. The open circuit voltage and fill factor decreased as the Ge content increased. Quantum efficiency measurements indicated that the device was indeed microcrystalline and followed the absorption characteristics of crystalline ( Si,Ge). As the Ge content increased, quantum efficiency in the infrared increased. X-ray measurements of films indicated grain sizes of ∼ 10nm. EDAX measurements were used to measure the Ge content in the films and devices. Capacitance measurements at low frequencies ( ~100 Hz and 1 kHz) indicated that the base layer was indeed behaving as a crystalline material, with classical C(V) curves. The defect density varied between 1x1016 to 2x1017/cm3, with higher defects indicated as the Ge concentration increased.

Additive engineering for Sn-based PSCs: Enhancement of open-circuit voltage and fill factor

Solar Energy ◽  
2021 ◽  
Vol 214 ◽  
pp. 26-50
Author(s):  
Qin Chen ◽  
Luyun Bai ◽  
Jadel Tsiba Matondo ◽  
Minghan Deng ◽  
Davy Malouangou Maurice ◽  
...  
Keyword(s):  
Fill Factor ◽  
Open Circuit Voltage ◽  
Open Circuit

Side-chain effect on the photovoltaic performance of conjugated polymers based on benzodifuran and benzodithiophene-4,8-dione

MRS Advances ◽  
2019 ◽  
Vol 4 (36) ◽  
pp. 2001-2007
Author(s):  
Enfang He ◽  
Hong Zhang ◽  
Yueyue Gao ◽  
Fengyun Guo ◽  
Shiyong Gao ◽  
...  
Keyword(s):  
Fill Factor ◽  
Open Circuit Voltage ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Open Circuit ◽  
Side Chain ◽  
Large Area ◽  
Device Structure ◽  
Roll To Roll ◽  
Solvent Additive

ABSTRACT:Two benzodifuran (BDF) polymers, PBDF-C and PBDF-S, with alkyl and alkylthio substituted thiophene side-chains and benzodithiophene-4,8-dione (BDD) as the acceptor were designed and synthesized. Their optical, electrochemical properties and photovoltaic performances were systematically investigated. The polymer solar cells (PSCs) with a device structure of ITO/PEDOT:PSS/polymer:PC71BM/Ca/Al were fabricated. The PBDF-C based device showed a power conversion efficiency (PCE) of 3.01% after adding 1 vol% 1,8-diodooctane (DIO) as the solvent additive, and PBDF-S gave an enhanced PCE of 3.48% without any post-treatments. The enhancements were from the higher open-circuit voltage (Voc) and fill factor (FF). The thermal- and solvent-treatment-free processing is more favourable for the large area roll-to-roll manufacturing or printing technology for PSCs.

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