scholarly journals Effect of alkyl chain length on the properties of triphenylamine-based hole transport materials and their performance in perovskite solar cells

2018 ◽  
Vol 20 (2) ◽  
pp. 1252-1260 ◽  
Author(s):  
Rosinda Fuentes Pineda ◽  
Joel Troughton ◽  
Miquel Planells ◽  
Irene Sanchez-Molina Santos ◽  
Farmin Muhith ◽  
...  
Keyword(s):  
Solar Cells ◽  
Chain Length ◽  
Alkyl Chain ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Alkyl Chain Length

Five triarylamine derivatives with different para-alkoxy chains were compared as hole-transport materials in perovskite solar cells.

scholarly journals Moisture tolerant solar cells by encapsulating 3D perovskite with long-chain alkylammonium cation-based 2D perovskite

2021 ◽  
Vol 2 (1) ◽  
Author(s):  
Bhushan P. Kore ◽  
Wei Zhang ◽  
Billy W. Hoogendoorn ◽  
Majid Safdari ◽  
James M. Gardner
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Chain Length ◽  
Alkyl Chain ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Alkyl Chain Length ◽  
Environmental Stability ◽  
Alkylammonium Cation ◽  
Long Chain

AbstractLong-term stability is an essential requirement for perovskite solar cells to be commercially viable. Encapsulating 3D perovskites with 2D perovskite structures is an effective strategy for improving resistance to moisture. However, long-chain alkylammonium cation-based 2D perovskites have been rarely studied in solar cells. Here, we study three different alkyl chain length organic cation-based 2D perovskite coatings for 3D perovskites. The 2D perovskite incorporated solar cells show significant improvement in solar cell stability with limited compromise in solar cell efficiency, with the longest alkyl chain length sample showing only a 20% drop in power conversion efficiency after 6 months at a relative humidity of 25-80%, and could be completely immersed in water for a few minutes before degradation started. The 2D perovskite coating also mitigated non-radiative recombination in the light-absorbing 3D perovskite, leading to an enhancement in the open circuit voltage. These findings suggest that long-chain alkylammonium cation based 2D perovskites can improve the environmental stability of 3D based perovskites without significant losses to device performance.

Correlating alkyl chain length with defect passivation efficacy in perovskite solar cells

2020 ◽  
Vol 56 (37) ◽  
pp. 5006-5009 ◽  
Author(s):  
Wenhuai Feng ◽  
Chengxi Zhang ◽  
Jun-Xing Zhong ◽  
Liming Ding ◽  
Wu-Qiang Wu
Keyword(s):  
Solar Cells ◽  
Chain Length ◽  
Alkyl Chain ◽  
Perovskite Solar Cells ◽  
Charge Recombination ◽  
Alkyl Chain Length ◽  
Defect Passivation ◽  
Amine Ligands ◽  
Chain Lengths

Anchoring of amine ligands with different alkyl chain lengths on perovskites mitigates non-radiative charge recombination in perovskite solar cells.

How does alkyl chain length modify the properties of triphenylamine-based hole transport materials?

2018 ◽  
Vol 6 (5) ◽  
pp. 960-965 ◽  
Author(s):  
Kun-Han Lin ◽  
Antonio Prlj ◽  
Clémence Corminboeuf
Keyword(s):  
Chain Length ◽  
Organic Materials ◽  
Alkyl Chain ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Alkyl Chain Length ◽  
Multiscale Simulations ◽  
Alkyl Chains ◽  
Systematic Exploration ◽  
Fine Tune

Manipulating the length of alkyl chains is a widely-adopted strategy to fine tune the properties of organic materials. Yet, a systematic exploration of the influence of chain length on those properties most relevant to highly performing hole transport materials in perovskite solar cells is lacking. Multiscale simulations, along with morphological analyses, uncover relationships between alkyl chain length and HTM properties providing important insights for the optimization of future organic materials.

Impact of Alkyl Chain Length on Small Molecule Crystallization and Nanomorphology in Squaraine-Based Solution Processed Solar Cells

2017 ◽  
Vol 121 (14) ◽  
pp. 7750-7760 ◽  
Author(s):  
Chenyu Zheng ◽  
Ishita Jalan ◽  
Patrick Cost ◽  
Kyle Oliver ◽  
Anju Gupta ◽  
...  
Keyword(s):  
Solar Cells ◽  
Chain Length ◽  
Small Molecule ◽  
Alkyl Chain ◽  
Alkyl Chain Length ◽  
Solution Processed

scholarly journals Facile NiOx Sol-Gel Synthesis Depending on Chain Length of Various Solvents without Catalyst for Efficient Hole Charge Transfer in Perovskite Solar Cells

Polymers ◽  
2018 ◽  
Vol 10 (11) ◽  
pp. 1227 ◽  
Author(s):  
Byung Kim ◽  
Woongsik Jang ◽  
Dong Wang
Keyword(s):  
Solar Cells ◽  
Chain Length ◽  
Short Circuit ◽  
Sol Gel ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Perovskite Layer

Nickel oxide (NiOx)–based perovskite solar cells (PSCs) have recently gained considerable interest, and exhibit above 20% photovoltaic efficiency. However, the reported syntheses of NiOx sol-gel used toxic chemicals for the catalysts during synthesis, which resulted in a high-temperature annealing requirement to remove the organic catalysts (ligands). Herein, we report a facile “NiOx sol-gel depending on the chain length of various solvents” method that eschews toxic catalysts, to confirm the effect of different types of organic solvents on NiOx synthesis. The optimized conditions of the method resulted in better morphology and an increase in the crystallinity of the perovskite layer. Furthermore, the use of the optimized organic solvent improved the absorbance of the photoactive layer in the PSC device. To compare the electrical properties, a PSC was prepared with a p-i-n structure, and the optimized divalent alcohol-based NiOx as the hole transport layer. This improved the charge transport compared with that for the typical 1,2-ethanediol (ethylene glycol) used in earlier studies. Finally, the optimized solvent-based NiOx enhanced device performance by increasing the short-circuit current density (Jsc), open-circuit voltage (Voc), and fill factor (FF), compared with those of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)–based devices.

Composite liquid crystal-polymer electrolytes in dye-sensitised solar cells: effects of mesophase alkyl chain length

2017 ◽  
Vol 45 (1) ◽  
pp. 112-121 ◽  
Author(s):  
Muhammad Akmal Kamarudin ◽  
Ammar A. Khan ◽  
Suhana Mohd Said ◽  
Malik M. Qasim ◽  
Timothy D. Wilkinson
Keyword(s):  
Solar Cells ◽  
Liquid Crystal ◽  
Chain Length ◽  
Polymer Electrolytes ◽  
Alkyl Chain ◽  
Liquid Crystal Polymer ◽  
Alkyl Chain Length ◽  
Crystal Polymer

Novel NIR-absorbing conjugated polymers for efficient polymer solar cells: effect of alkyl chain length on device performance

2009 ◽  
Vol 19 (15) ◽  
pp. 2199 ◽  
Author(s):  
Wei Yue ◽  
Yun Zhao ◽  
Shuyan Shao ◽  
Hongkun Tian ◽  
Zhiyuan Xie ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conjugated Polymers ◽  
Chain Length ◽  
Alkyl Chain ◽  
Polymer Solar Cells ◽  
Alkyl Chain Length ◽  
Device Performance

Effect of alkyl chain length of the ammonium groups in SEPC-CIL on the performance of polymer solar cells

2017 ◽  
Vol 5 (29) ◽  
pp. 15294-15301 ◽  
Author(s):  
Youchun Chen ◽  
Simin Zhang ◽  
Qiming Peng ◽  
Lixin Wu ◽  
Fenghong Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Chain Length ◽  
Alkyl Chain ◽  
Polymer Solar Cells ◽  
Alkyl Chain Length ◽  
Cathode Interlayer

The alkyl chain length of {[CH3(CH2)n−1]4N}4[SiW12O40] as a cathode interlayer can significantly affect the performance of polymer solar cells due to the different surface morphology of the films.

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