High Quality a-Si Films and Superlattice Structure p-Layer a-Si Solar Cells

1986 ◽  
Vol 70 ◽  
Author(s):  
Shoichi Nakano ◽  
Shinya Tsuda ◽  
Hisaki Tarui ◽  
Tsuyoshi Takahama ◽  
Hisao Haku ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Reaction Chamber ◽  
High Quality ◽  
Cvd Method ◽  
Superlattice Structure ◽  
Si Solar Cells ◽  
New Material ◽  
Si Films ◽  
First Time

ABSTRACTAs a new preparation method for high-quality a-Si films, we have developed the super chamber, a separated UHV reaction chamber system. A low impurity concentration and excellent film properties were obtained by the super chamber. A conversion efficiency of 11.7% was obtained for an a-Si solar cell using a high-quality i-layer deposited by the super chamber, and a p-layer fabricated by a photo-CVD method.As a new material, amorphous superlattice structure films were fabricated by the photo-CVD method for the first time. Quantization effects and low damage to the interfaces were observed. Superlattice structure p-layer a-Si solar cells were fabricated for the first time, and a conversion efficiency of 10.5% was obtained.

High Performance A–Si Solar Cells and Narrow Bandgap Materials

1985 ◽  
Vol 49 ◽  
Author(s):  
Shoichi Nakano ◽  
Yasuo Kishi ◽  
Michitoshi Ohnishi ◽  
Shinya Tsuda ◽  
Hisashi Shibuya ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
High Performance ◽  
Reaction Chamber ◽  
Interface Properties ◽  
High Quality ◽  
Cvd Method ◽  
Si Solar Cells ◽  
Narrow Bandgap ◽  
First Time

AbstractHigh performance a-Si solar cells were developed. A conversion efficiency of 11.5% was achieved for a textured TCO/p-SiC/in/Ag structure with a size of 1 cm2 using the high quality i-layer fabricated by a new consecutive, separated reaction chamber apparatus. A conversion efficiency of 9.0% was obtained with a size of 10cm × 10cm. A high quality a-SiGe:H:F, which is a new narrow bandgap material for a-Si solar cells, was fabricated by a glow discharge decomposition of SiF4 + GeF4 + H2.A photo-CVD method was investigated in order to improve the interface properties of a–Si solar cells. A conversion efficiency of 11.0% was obtained with a solar cell in which the p-layer is fabricated by the photo-CVD method. a-SiGe:H films were fabricated by the photo-CVD method for the first time as a narrow bandgap material for multi-bandgap a-Si solar cells.

High-Quality a-Si-Based Alloys : a-SiGe Films Fabricated in a Super Chamber and Superlattice Structure a-Si Films Prepared by a Photo-CVD Method

1987 ◽  
Vol 95 ◽  
Author(s):  
Shinya Tsuda ◽  
Hisao Haku ◽  
Hisaki Tarui ◽  
Takao Matsuyama ◽  
Katsunobu Sayama ◽  
...  
Keyword(s):  
Conversion Efficiency ◽  
Photovoltaic Effect ◽  
High Vacuum ◽  
Reaction Chamber ◽  
Wide Bandgap ◽  
Ultra High Vacuum ◽  
High Quality ◽  
Cvd Method ◽  
Superlattice Structure ◽  
Si Films

AbstractIn order to improve the conversion efficiency of a-Si solar cells, high-quality a-Si based alloys of both narrow handgap and wide bandgap were studied.Concerning the narrow bandgap material, we found a particular dependence of film qualities on substrate temperature. In addition, high-quality a-SiGe:H films were obtained by using a super chamber (separated ultra-high vacuum reaction chamber).As for the high-quality wide bandgap material, a-Si/a-SiC superlattice structure films fabricated by a photo-CVD method were studied for the first time. From the analysis of their properties, we found that the superlattice structure p-layer was an active layer for photovoltaic effect. A conversion efficiency of 11.2% has been obtained for a pin a-Si solar cell whose player was of the superlattice structure.

Superlattice Structure a-Si Films Prepared by Photo-CVD Method and Their Application to a-Si Solar Cells.

1986 ◽  
Author(s):  
H. Tarui ◽  
T. Matsuyama ◽  
S. Tsuda ◽  
Y. Hishikawa ◽  
T. Takahama ◽  
...  
Keyword(s):  
Solar Cells ◽  
Cvd Method ◽  
Superlattice Structure ◽  
Si Solar Cells ◽  
Si Films

Superlattice Structure a-Si Films Fabricated by the Photo-CVD Method and their Application to Solar Cells

1987 ◽  
Vol 26 (Part 1, No. 1) ◽  
pp. 28-32 ◽  
Author(s):  
Shinya Tsuda ◽  
Hisaki Tarui ◽  
Takao Matsuyama ◽  
Tsuyoshi Takahama ◽  
Shoichirou Nakayama ◽  
...  
Keyword(s):  
Solar Cells ◽  
Cvd Method ◽  
Superlattice Structure ◽  
Si Films

Precursor engineering for high-quality Cs2AgBiBr6 films toward efficient lead-free double perovskite solar cells

2021 ◽  
Author(s):  
Ping Hou ◽  
Wenxiang Yang ◽  
Ning Wan ◽  
Zhi Fang ◽  
Jinju Zheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Control Sample ◽  
Double Perovskite ◽  
Lead Free ◽  
High Quality ◽  
Precursor Engineering ◽  
First Time

We report a facile BiBr3(DMSO)2 adduct process to produce high-quality Cs2AgBiBr6 films with large grains for the first time, which leads to an enhancement of over 40% on the PCE of Cs2AgBiBr6-based solar cells compared to that of the control sample.

Enhancement of efficiency in graphene/porous silicon solar cells by co-doping graphene with gold nanoparticles and bis(trifluoromethanesulfonyl)-amide

2017 ◽  
Vol 5 (35) ◽  
pp. 9005-9011 ◽  
Author(s):  
Ju Hwan Kim ◽  
Dong Hee Shin ◽  
Ha Seung Lee ◽  
Chan Wook Jang ◽  
Jong Min Kim ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Solar Cells ◽  
Porous Silicon ◽  
Au Nanoparticles ◽  
Silicon Solar Cells ◽  
Porous Si ◽  
Co Doping ◽  
Si Solar Cells ◽  
First Time

The co-doping of graphene with Au nanoparticles and bis(trifluoromethanesulfonyl)-amide is employed for the first time to enhance the performance of graphene/porous Si solar cells.

scholarly journals Toward Cost-Effective Manufacturing of Silicon Solar Cells: Electrodeposition of High-Quality Si Films in a CaCl2-based Molten Salt

2017 ◽  
Vol 56 (47) ◽  
pp. 15078-15082 ◽  
Author(s):  
Xiao Yang ◽  
Li Ji ◽  
Xingli Zou ◽  
Taeho Lim ◽  
Ji Zhao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Molten Salt ◽  
Cost Effective ◽  
Silicon Solar Cells ◽  
High Quality ◽  
Si Films

Incorporation of alkylthio side chains on benzothiadiazole-based non-fullerene acceptors enables high-performance organic solar cells with over 16% efficiency

2020 ◽  
Vol 8 (44) ◽  
pp. 23239-23247
Author(s):  
Andy Man Hong Cheung ◽  
Han Yu ◽  
Siwei Luo ◽  
Zhen Wang ◽  
Zhenyu Qi ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Solar Cells ◽  
High Performance ◽  
Power Conversion ◽  
Side Chains ◽  
First Time

This is the first time alkylthio chains are employed on Y6-like NFAs to achieve organic solar cells of power conversion efficiency higher than 16%.

The effect of methyl ammonium chloride doping for perovskite solar cells on structure, crystallization and power conversion efficiency

2020 ◽  
pp. 2150096
Author(s):  
Jing Gao ◽  
Chujian Liao ◽  
Yanqun Guo ◽  
Difan Zhou ◽  
Zhigang Zeng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Surface Defects ◽  
Short Circuit ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Short Circuit Current ◽  
High Quality ◽  
Perovskite Layer

The perovskite membrane with large particle size, uniform coverage and high quality is the prerequisite for the preparation of efficient and stable perovskite solar cells. Various additives have been used to increase the grain size and improve the film morphology and crystal quality. In this paper, methylammonium chloride (MACl) was proposed to obtain high crystalline quality of [Formula: see text] perovskite absorption layer. The results show that the adding ammonium methyl chloride into the precursor of tricationic perovskite not only passivates surface defects to form high-quality and large-grain perovskite films, but also facilitates the formation of pure [Formula: see text]-phase [Formula: see text]. Meanwhile, the designed perovskite precursor solutions were used to fabricate mesoporous perovskite solar cells (PSCs). Owing to the perovskite layer consisting of optimized MACl doping, the short-circuit current density [Formula: see text] of PSCs reaches 23.81 mA/cm2, which is 2.73 mA/cm2 higher than the primary [Formula: see text] based on PSCs. The obtained power conversion efficiency (PCE) increases from 13.67% to 17.59%.

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