Liquid Crystal Solar Cell
Enhanced Interfacial Modification by Ordered Discotic Liquid …
To address this issue, we propose a composite interface modification …
Transparent Liquid Crystal Hole‐Transporting Material for Stable ...
Hexakis(hexyloxy)triphenylene (HAT6) discotic liquid crystal is employed as a transparent hole-transporting material (HTM) for perovskite solar cells (PSCs) and a power conversion efficiency (PCE) of 15.7% is obtained, which is the highest using HAT6 type of HTMs spite lower PCE than spiro-OMeTAD-based devices (20.3%), the PSCs …
Transparent Liquid Crystal Hole‐Transporting Material for Stable Perovskite Solar Cells
Hexakis(hexyloxy)triphenylene (HAT6) discotic liquid crystal is employed as a transparent hole-transporting material (HTM) for perovskite solar cells (PSCs) and a power conversion efficiency (PCE) of 15.7% is obtained, which is the highest using HAT6 type of HTMs. ...
Efficient and Stable Ternary Organic Solar Cells Using Liquid Crystal …
A liquid crystal small molecule donor BTR-Cl, which has strong self-assembly and crystallinity, is used as the third component to construct nonfullerenes ternary solar cells together with a broad-band donor polymer D18-Cl and a low-band acceptor N3. The introduction of BTR-Cl enhances the morphology, exciton dissociation, and charge …
Liquid-Crystalline Dye-Sensitized Solar Cells: Design of Two ...
Nanostructured liquid-crystalline (LC) electrolytes have been developed for efficient and stable quasi-solid-state dye-sensitized solar cells (DSSCs). Two types of ionic LC assemblies for electrolytes have been designed: (i) noncovalent assemblies of two-component mixtures consisting of I2-doped imidazolium ionic liquids and carbonate …
Using thermotropic liquid crystals to enhance the efficiency and stability of perovskite solar …
Previous studies that explored the use of liquid crystals to protect perovskite solar cells typically employed them as routine passivating and hole-transporting materials. These studies overlooked the thermotropic properties of these crystals, or in other words their motions in response to heat and temperature changes.
Liquid crystals in photovoltaics: a new generation of …
This article presents an overview of the developments in the field of organic photovoltaics (PVs) with liquid crystals (LCs). A brief …
Liquid Crystals Stabilize Dye-Sensitized Solar Cells
Now a group of researchers has incorporated liquid crystals into the devices, producing a version that works at up to 120 C, the highest reported working temperature for such solar cells (Chem ...
Crystals | Free Full-Text | Liquid Crystalline …
The performance of a prototype opaque-type colored silicon-based solar cell integrated with liquid crystalline cholesteric layers is investigated. These devices were developed using only organic …
[PDF] Liquid crystals in photovoltaics: a new generation of organic ...
This article presents an overview of the developments in the field of organic photovoltaics (PVs) with liquid crystals (LCs). A brief introduction to the PV and LC fields is given first, followed by application of various LCs in organic PVs. Details of LCs used in bilayer solar cells, bulk heterojunction solar cells and dye-sensitized solar cells have been given. All …
A Multifunctional Liquid Crystal as Hole Transport Layer Additive ...
Incorporation of a multifunctional liquid crystal (LQ) into (2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (Spiro-OMeTAD)-based hole transport layer (HTL) of perovskite solar cells (PSCs) can strongly enhance hot carriers extraction/transfer from perovskite layer into HTL, reducing charge-carrier recombination …
Sharp Indoor Photovoltaic Device, LC-LH Wins the ...
Sharp Corporation is proud to announce that its indoor photovoltaic device, LC-LH (Liquid and Crystal Light Harvesting) has won the Minister of Economy, Trade and Industry Award in CEATEC AWARD 2022, an award of the biggest IoT exhibition in Japan, CEATEC. ... *1 A type of organic solar cell that converts light absorbed by dyes …
Ionic liquid crystal as a hole transport layer of dye-sensitized solar cells
Use of a new ionic liquid crystal, 1-dodecyl-3-methylimidazolium iodide, and iodine as an electrolyte of dye-sensitized solar cells leads to a high short circuit photocurrent density and a high light-to-electricity conversion efficiency, due to a self-assembled structure of the imidazolium cations, resulting in hig
End Group Effect of Asymmetric Benzodithiophene-Based Donor with Liquid-Crystal State for Small-Molecule Binary Solar Cell
End Group Effect of Asymmetric Benzodithiophene-Based Donor with Liquid-Crystal State for Small-Molecule Binary Solar Cell Yong Zhao, Yong Zhao School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100 China ...
Crystallization Regulation by Self-Assembling Liquid Crystal Template Enables Efficient and Stable Perovskite Solar Cells …
A new ionic liquid crystal (ILC, 1-Dodecyl-3-methylimidazolium tetrafluoroborate) was developed to modify buried interface of perovskite solar cells (PSC). The ILC promotes a preferential growth of perovskite along [001] direction and exhibits strong interaction with perovskite to passivate defects.
Columnar Liquid Crystal Enables In‐Situ Dispersing of Excess PbI2 Crystals for Efficient and Stable Perovskite Solar Cells …
Herein, an effective strategy to in situ disperse excess PbI 2 crystals via the columnar liquid crystal (T6TE) is developed. Rapid self-assembly induced by intermolecular π – π interaction enables T6TE to form the ordered columnar phase with "edge-on" orientation in perovskite.
Composite liquid crystal-polymer electrolytes in dye-sensitised solar cells…
Composite liquid crystal-polymer electrolytes in dye-sensitised solar cells: effects of mesophase alkyl chain length Muhammad Akmal Kamarudin Center of Molecular Materials for Photonics and Electronics (CMMPE), Department of Engineering, University of Cambridge, Cambridge, UK Correspondence [email protected]
Discotic Liquid Crystals for Self-organizing Photovoltaics
X. Chen, L. Chen, Y. Chen, Self-assembly of dscotic liquid crystal decorated ZnO nanoparticles for efficient hybrid solar cells. RSC Adv. 4, 3627–3632 (2014) Article Google Scholar
Crystallization Regulation by Self‐Assembling Liquid Crystal …
A new ionic liquid crystal (ILC, 1-Dodecyl-3-methylimidazolium tetrafluoroborate) was developed to modify buried interface of perovskite solar cells (PSC). The ILC promotes a preferential growth of perovskite along [001] direction and exhibits strong interaction with perovskite to passivate defects.
Wearable perovskite solar cells by aligned liquid crystal elastomers
The bottom interface between perovskite and electron-transporting layer …
New Photovoltaic Concept: Liquid‐Crystal Solar Cells Using a …
The use of reactive mesogens in building a liquid-crystal solar cells using a nematic gel template which demonstrates a new approach to photovoltaics was analyzed. The polymerizable liquid ...
Nematic liquid crystal materials as a morphology regulator for ternary small molecule solar cells with power conversion efficiency exceeding …
Solution-processed small molecule solar cells (SMSCs) are fabricated based on DRCN5T:PC71BM as active layers, the power conversion efficiency (PCE) is markedly increased from 3.63% to 9.11% for the active layers undergoing up-side-down thermal annealing and solvent vapor annealing post-treatments. The PCE im
New liquid crystal molecule advances organic solar cells
Researchers at the University of Melbourne have developed a new nematic liquid crystal (LC) material capable of providing improved solar cell performance.[Citation 1, Citation 2] The previous limit that most organic photovoltaic (OPV) devices had reached was 8% power conversion efficiency (PCE) while the new material has a maximum PCE …
Self-assembled liquid crystalline nanotemplates and their incorporation in dye-sensitised solar cells …
Liquid junction dye-sensitised solar cells (DSSCs) suffer from solvent evaporation and leakage which limit their large-scale production. Here, we have prepared DSSC using a simple and cheap fabrication process with improved photovoltaic parameters and stability. A ...
Minireview and Perspectives of Liquid Crystals in Perovskite Solar Cells …
The development of perovskite solar cells (PSCs) has gained attention with the ever increasing demand for energy conversion systems across the globe. In this context, utilization of certain liquid crystals (LCs) has been found to play a crucial role in enhancing the stability and efficiency of the PSC in the last 5 years. At this point, it is a …
The future of crystal-based solar energy just got …
The future of crystal-based solar energy just got brighter
High Thermal Conductivity of Liquid Crystal ...
DOI: 10.1002/adfm.202405250 Corpus ID: 270685776; High Thermal Conductivity of Liquid Crystal Elastomer for Stress‐Less Flexible Perovskite Solar Cells @article{Ma2024HighTC, title={High Thermal Conductivity of Liquid Crystal Elastomer for Stress‐Less Flexible Perovskite Solar Cells}, author={Yabin Ma and Jiaxue You and Lu …
A liquid crystal material as the third component for …
Herein, a liquid crystal material, BTR, was elaborately selected as the third component to complement PTB7-Th for the fabrication of highly efficient ternary polymer solar cells (PSCs). Via incorporating 10 wt% BTR in …
Imidazole-Based Ionic Liquid Engineering for Perovskite Solar Cells …
Despite the remarkable progress of perovskite solar cells (PSCs), the substantial inherent defects within perovskites restrict the achievement of higher efficiency and better long-term stability. Herein, we introduced a novel multifunctional imidazole analogue, namely, 1-benzyl-3-methylimidazolium bromide (BzMIMBr), into perovskite …
Using Liquid Crystals to Scale-up Perovskite Solar Cells
"The liquid crystal strategy helps address a critical issue in the scale-up of perovskite solar cells, which demonstrates the potential for more efficient and stable solar energy generation on a larger scale, making it more robust for …
Ionic liquid-assisted perovskite crystal film growth for high performance planar heterojunction perovskite solar cells …
We demonstrate an efficient approach by using a new type of ionic liquid, 1-ethylpyridinium chloride (1-EC) with a relative low melting point of 100 °C, to control the morphological growth of CH3NH3PbI3 during the one-step deposition method for preparing efficient planar heterojunction perovskite solar cells, leadi
Liquid Crystals for Organic Photovoltaics | SpringerLink
The use of nematic and sanditic liquid crystals in photovoltaics is …
Liquid Crystal Molecule as "Binding Agent" Enables Superior Stable Perovskite Solar Cells …
Herein, a liquid crystal (LC) molecule is first used as a "binding agent" to connect grains and fill grain boundaries of perovskite. The LC molecule (4′-heptyl-4-biphenylcarbonitrile) interacts with PbI 2 to control the crystal orientation for fine and oriented perovskite grains, which accelerates electron transport and enhances …
Enhanced Interfacial Modification by Ordered Discotic Liquid Crystals for Thermotolerance Perovskite Solar Cells …
To address this issue, we propose a composite interface modification layer incorporating the discotic liquid crystal 2,3,6,7,10,11-hexa(pentoxy)triphenylene (HAT5) into o-F-PEAI. The triphenyl core in HAT5 promotes π-π stacking self-assembly and enhances its interaction with o-F-PEAI, forming an oriented columnar phase that improves hole …
Efficient and Stable Ternary Organic Solar Cells Using Liquid Crystal ...
A liquid crystal small molecule donor BTR-Cl, which has strong self-assembly and crystallinity, is used as the third component to construct nonfullerenes ternary solar cells together with a broad-band donor polymer D18-Cl and a low-band acceptor N3. The introduction of BTR-Cl enhances the morphology, exciton dissociation, and charge …
Liquid crystals in photovoltaics: a new generation of organic photovoltaics
This article presents an overview of the developments in the field of organic photovoltaics (PVs) with liquid crystals (LCs). A brief introduction to the PV and LC fields is given first, followed by application of various LCs in organic PVs. Details of LCs used in bilayer solar cells, bulk heterojunction solar cells and dye-sensitized solar cells have been given. All …
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