scholarly journals Ligand-free preparation of polymer/CuInS2 nanocrystal films and the influence of 1,3-benzenedithiol on their photovoltaic performance and charge recombination properties

2019 ◽  
Vol 7 (4) ◽  
pp. 943-952 ◽  
Author(s):  
Thomas Rath ◽  
Dorothea Scheunemann ◽  
Roberto Canteri ◽  
Heinz Amenitsch ◽  
Jasmin Handl ◽  
...  
Keyword(s):  
Solar Cell ◽  
Charge Carrier ◽  
Photovoltaic Performance ◽  
Charge Recombination ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Carrier Lifetimes ◽  
Ligand Free ◽  
Nanocrystal Films

Modification of ligand-free polymer/CuInS2 absorber layers led to improved solar cell performance and charge carrier lifetimes.

Photoinduced Charge Carrier Dynamics of Zn−Porphyrin−TiO2Electrodes: The Key Role of Charge Recombination for Solar Cell Performance

2011 ◽  
Vol 115 (16) ◽  
pp. 3679-3690 ◽  
Author(s):  
Hiroshi Imahori ◽  
Soonchul Kang ◽  
Hironobu Hayashi ◽  
Mitsutaka Haruta ◽  
Hiroki Kurata ◽  
...  
Keyword(s):  
Solar Cell ◽  
Charge Carrier ◽  
Charge Recombination ◽  
Carrier Dynamics ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Charge Carrier Dynamics ◽  
Photoinduced Charge

Understanding the impact of side-chains on photovoltaic performance in efficient all-polymer solar cells

2019 ◽  
Vol 7 (40) ◽  
pp. 12641-12649 ◽  
Author(s):  
Bin Li ◽  
Qilin Zhang ◽  
Gaole Dai ◽  
Hua Fan ◽  
Xin Yuan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Conjugated Polymer ◽  
Polymer Solar Cell ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Cell Performance ◽  
Side Chain ◽  
Solar Cell Performance ◽  
The Impact

We performed side-chain fluorination and alkylthio substituent in a template conjugated polymer and further investigate their impact on polymer–polymer solar cell performance.

scholarly journals Oxygen doping of P3HT:PCBM blends: Influence on trap states, charge carrier mobility and solar cell performance

2010 ◽  
Vol 11 (10) ◽  
pp. 1693-1700 ◽  
Author(s):  
Julia Schafferhans ◽  
Andreas Baumann ◽  
Alexander Wagenpfahl ◽  
Carsten Deibel ◽  
Vladimir Dyakonov
Keyword(s):  
Solar Cell ◽  
Charge Carrier ◽  
Carrier Mobility ◽  
Charge Carrier Mobility ◽  
Cell Performance ◽  
Trap States ◽  
Oxygen Doping ◽  
Solar Cell Performance

Investigation on the Thickness Effect of TiO2 Photo- Anode on Dye-Sensitized Solar Cell Performance

2018 ◽  
Vol 280 ◽  
pp. 76-80 ◽  
Author(s):  
Mian En Yeoh ◽  
Kah Yoong Chan ◽  
Hin Yong Wong
Keyword(s):  
Solar Cell ◽  
Film Thickness ◽  
Low Cost ◽  
Critical Role ◽  
Photovoltaic Performance ◽  
Cell Performance ◽  
Thickness Effect ◽  
Dye Sensitized Solar Cell ◽  
Solar Cell Performance ◽  
Dye Sensitized

Dye-sensitized solar cell (DSSC) has attracted immense interest over the past decade due to its low cost and simplicity as a renewable energy source. In DSSC, the photo-anode that governs the collection and transportation of photo-excited electrons plays a critical role in determining the cell performance. In particular, the thickness of the photo-anode is known to be one of the decisive factors in dictating cell efficiency. In this paper, the thickness effect of TiO2 film as photo-anode on the photovoltaic performance of DSSC is studied. The TiO2 films were characterized by UV-visible absorbance spectroscopy to correlate the film thickness with the light harvesting efficiency of DSSC. The effects of film thickness on the photocurrent density-voltage characteristics of DSSCs were also investigated. The optimized thickness (4m) of the TiO2 film was discovered to be the best compromise between the amount of dye loading and the electron transport resistance.

Growth and Photovoltaic Performance of Single-Crystal TiO2 Nanorod Array Directly on Transparent Conducting Substrates

2011 ◽  
Vol 306-307 ◽  
pp. 159-163
Author(s):  
Xiu Quan Gu ◽  
Yu Long Zhao ◽  
Ying Huai Qiang
Keyword(s):  
Electron Microscopy ◽  
Solar Cell ◽  
Single Crystal ◽  
Electrical Contact ◽  
Photovoltaic Performance ◽  
Dye Sensitized Solar Cells ◽  
Annealing Treatment ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Post Annealing

In this study, single-crystal TiO2nanorod (NR) arrays were used as the photoanodes of dye sensitized solar cells (DSSC). The post-annealing treatment was carried out in air, O2, N2and vacuum atomsphere. X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) have been used to characterize the structure, morphology and crystallity of these samples. Although the nanorod arrays which undergo annealing remained the single-crystal structure without any change in the morphology, considerable improvement in the nanorod solar cell performance was obtained. The high efficicency of 4.42 % was achieved in the cells containing nanorods which were annealed in air at 500 °C for 30 min. In comparison, the cell fabricated using TiO2samples without post- annealing treatment exhibited a low efficiency of just 2.1 %. Such a large improvement (280 %) was mainly attributed to the faster electron transport and the lower charge recombination rate after annealing due to an increase of the depletion width. Otherwise, the cell performance improvement may result from an enhancement in the adhension and electrical contact at the TiO2/FTO interface. The in-depth study shows that the solar cell efficiency was strongly dependent on the annealing ambience, too.

scholarly journals The effect of structural dimensionality on carrier mobility in lead-halide perovskites

2019 ◽  
Vol 7 (41) ◽  
pp. 23949-23957 ◽  
Author(s):  
Noor Titan Putri Hartono ◽  
Shijing Sun ◽  
María C. Gélvez-Rueda ◽  
Polly J. Pierone ◽  
Matthew P. Erodici ◽  
...  
Keyword(s):  
Solar Cell ◽  
Charge Carrier ◽  
Carrier Mobility ◽  
Charge Carrier Mobility ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Structural Dimensionality ◽  
Halide Perovskites ◽  
A Site ◽  
Lead Halide

Changes in perovskite structural dimensionality brought by mixing A-site cations play an important role in determining the measured charge carrier mobility, and in the solar cell performance.

Experimental and Theoretical Comparable Study of Pure and Zinc Porphyrin Surface Modified ZnO Nanorod Arrays for Hybrid Solar Cell Applications

2020 ◽  
pp. 114-119
Keyword(s):  
Solar Cell ◽  
Electrochemical Impedance ◽  
Hybrid Solar Cell ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Solar Cell Efficiency ◽  
Cell Efficiency ◽  
Annealing Effects ◽  
Vertically Aligned ◽  
Surface Modified

Experimental and theoretical study Porphyrin-grafted ZnO nanowire arrays were investigated for organic/inorganic hybrid solar cell applications. Two types of porphyrin – Tetra (4-carboxyphenyle) TCPP and meso-Tetraphenylporphine (Zinc-TPP)were used to modify the nanowire surfaces. The vertically aligned nanowires with porphyrin modifications were embedded in graphene-enriched poly (3-hexylthiophene) [G-P3HT] for p-n junction nanowire solar cells. Surface grafting of ZnO nanowires was found to improve the solar cell efficiency. There are different effect for the two types of porphyrin as results of Zn existing. Annealing effects on the solar cell performance were investigated by heating the devices up to 225 °C in air. It was found that the cell performance was significantly degraded after annealing. The degradation was attributed to the polymer structural change at high temperature as evidenced by electrochemical impedance spectroscopy measurements.

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