4.7 Article

Annealing- and doping-free hole transport material for p-i-n perovskite solar cells with efficiency achieving over 21%

Related references

Note: Only part of the references are listed.
Article Engineering, Environmental

High-performance perovskite solar cells based on dopant-free hole-transporting material fabricated by a thermal-assisted blade-coating method with efficiency exceeding 21%

Kun-Mu Lee et al.

Summary: A new donor-acceptor-donor type hole-transporting material CB was synthesized and used in fully printed PSCs, achieving an impressive power conversion efficiency of up to 21.09% with improved long-term stability. The CB-based devices showed better performance compared to those using doped spiro-OMeTAD under the same conditions, demonstrating CB's potential as a promising candidate for high-performance fully printable PSCs.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Multidisciplinary

Synergistic Effect of Excited State Property and Aggregation Characteristic of Organic Semiconductor on Efficient Hole-Transportation in Perovskite Device

Bonghyun Jo et al.

Summary: The intrinsic characteristics of organic semiconductor-based hole transport materials play a crucial role in determining the performance of perovskite photovoltaic cells. Understanding the excited state properties and aggregation behavior of organic HTMs is essential for improving PV efficiency. Manipulating the optical bandgap of organic semiconductors can also enhance the stability of perovskite PV cells against UV degradation.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

A Coplanar π-Extended Quinoxaline Based Hole-Transporting Material Enabling over 21 % Efficiency for Dopant-Free Perovskite Solar Cells

Huanxin Guo et al.

Summary: Developing efficient dopant-free hole transporting materials is crucial for enhancing the stability of perovskite solar cells. By rational pi-extension, researchers have improved the performance of dopant-free HTMs with a quinoxaline core, resulting in enhanced charge transporting capabilities and higher hole mobility. These materials show great potential for application in PSCs with improved power conversion efficiency and long-term stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Chemistry, Physical

A sulfur-rich small molecule as a bifunctional interfacial layer for stable perovskite solar cells with efficiencies exceeding 22%

Ming-Hua Li et al.

Summary: A sulfur-rich two-dimensional small molecule, SMe-TATPyr, was reported as a bifunctional layer to efficiently improve the efficiency and stability of perovskite solar cells. The power conversion efficiency of PSCs was distinctly increased from 20.4% to 22.3%, and the stability of unencapsulated PSCs was enhanced to retain 95% of the initial efficiency after storage for 1500 hours.

NANO ENERGY (2021)

Article Chemistry, Multidisciplinary

Efficient Inverted Perovskite Solar Cells with Low Voltage Loss Achieved by a Pyridine-Based Dopant-Free Polymer Semiconductor

Xianglang Sun et al.

Summary: This study presents a new pyridine-based polymer hole-transporting material, PPY2, that can simultaneously reduce non-radiative recombination processes in inverted perovskite solar cells. By using PPY2, the research has successfully improved the performance metrics of PVSCs and achieved good long-term photostability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Materials Science, Multidisciplinary

Role of annealing temperature of nickel oxide (NiOx) as hole transport layer in work function alignment with perovskite

Muhammad Imran et al.

Summary: This manuscript discusses the synthesis of NiOx thin films as hole transport layer for perovskite solar cells, highlighting the impact of post-deposition annealing temperature on device performance. Results show an increase in open circuit voltage from 0.96 V to 1.08 V, as well as the use of NiOx and ZnSe as charge transport layers in improving device efficiency. Various spectroscopic techniques were employed to analyze changes in work function and charge transfer efficiency.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2021)

Article Chemistry, Physical

Design of Low Crystallinity Spiro-Typed Hole Transporting Material for Planar Perovskite Solar Cells to Achieve 21.76% Efficiency

Zihao Deng et al.

Summary: Two novel HTMs, SC and ST, were designed in this study to substitute traditional spiro-OMeTAD, with SC showing superior performance in terms of efficiency and stability. Whereas ST exhibits lower efficiency and stability due to its high crystallinity and poor solubility.

CHEMISTRY OF MATERIALS (2021)

Article Engineering, Environmental

Blending isomers of fluorine-substituted sulfonyldibenzene as hole transport materials to achieve high efficiency beyond 21% in perovskite solar cells

Yang Yang et al.

Summary: The study demonstrates that mixing two isomers as hole transport materials in conventional perovskite solar cells can significantly improve device performance, showcasing promising application prospects in the field.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Coplanar phenanthro [9,10-d] imidazole based hole-transporting material enabling over 19%/21% efficiency in inverted/regular perovskite solar cells

Yang Cheng et al.

Summary: A new HTM (PI-2) was proposed to improve the performance of perovskite solar cells (PSCs), achieving high efficiency conversion in both types of structured cells through rational design. This HTM exhibits enhanced molecular interactions and hole mobility, leading to improved performance of PSCs.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Chemistry, Applied

Nickel oxide for inverted structure perovskite solar cells

Fei Ma et al.

Summary: Inverted perovskite solar cells (PSCs) have attracted great attention due to their potential for improving stability. The use of nickel oxide (NiOx) as a hole transporting layer has shown promising results in achieving efficient and stable device performance, with efficiencies over 20%. Further research is ongoing to address current challenges and improve the development of efficient and stable NiOx based PSCs.

JOURNAL OF ENERGY CHEMISTRY (2021)

Article Chemistry, Physical

Low-Cost Dopant Additive-Free Hole-Transporting Material for a Robust Perovskite Solar Cell with Efficiency Exceeding 21%

Hongwei Zhu et al.

Summary: Developing a novel pyramid-shaped, low-cost HTM MeOTTVT with extended conjugation has improved charge transport efficiency and stability, resulting in high-performance PSCs. The molecular configuration of MeOTTVT facilitates hole transport and exhibits outstanding stability, making it a promising material for commercialization.

ACS ENERGY LETTERS (2021)

Article Nanoscience & Nanotechnology

Surface Defect Passivation and Energy Level Alignment Engineering with a Fluorine-Substituted Hole Transport Material for Efficient Perovskite Solar Cells

Li Tao et al.

Summary: The introduction of a fluorine-substituted small molecular material 2FBTA-1 as a bifunctional buffer layer efficiently passivates surface defects of perovskite, improves the power conversion efficiency and long-term stability of perovskite solar cells.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Fluorinating Dopant-Free Small-Molecule Hole-Transport Material to Enhance the Photovoltaic Property

Yi Kai Wang et al.

Summary: The study demonstrates that using fluorinated DFBT-MTP as DF-HTMs in perovskite solar cells can significantly improve photovoltaic efficiency, and fluorinated compounds may be a promising direction for exploring high-performance DF-HTMs.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Reducing Energy Disorder of Hole Transport Layer by Charge Transfer Complex for High Performance p-i-n Perovskite Solar Cells

Guiying Xu et al.

Summary: The study introduces a charge-transfer complex (CTC) strategy to reduce energy disorder in organic semiconductor charge-transport layers (OS-CTLs) and enhance the performance of p-i-n planar perovskite solar cells (pero-SCs).

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Capturing Mobile Lithium Ions in a Molecular Hole Transporter Enhances the Thermal Stability of Perovskite Solar Cells

Seul-Gi Kim et al.

Summary: A thermally stable perovskite solar cell using a new molecular hole transporter HL38 demonstrates improved power conversion efficiency when incorporating 2-(2-aminoethyl)thiophene hydroiodide for interface engineering. The study shows that HL38 exhibits higher thermal stability and lower lithium ion diffusivity compared to spiro-MeOTAD, highlighting the importance of capturing mobile Li+ in novel molecular hole transporters for enhancing PSC performance.

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Imide-Functionalized Triarylamine-Based Donor-Acceptor Polymers as Hole Transporting Layers for High-Performance Inverted Perovskite Solar Cells

Bolin Li et al.

Summary: The study developed two new copolymers as dopant-free hole-transporting layers, which exhibited excellent performance in inverted PVSCs, highlighting their potential in enhancing the efficiency of solar cells.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Multidisciplinary Sciences

Pseudo-halide anion engineering for α-FAPbI3 perovskite solar cells

Jaeki Jeong et al.

Summary: The research introduces a new concept of using formate anion to suppress defects in metal halide perovskite films and enhance film crystallinity, leading to improved efficiency and stability of solar cells.

NATURE (2021)

Article Chemistry, Physical

The poly(styrene-co-acrylonitrile) polymer assisted preparation of high-performance inverted perovskite solar cells with efficiency exceeding 22%

Jiabao Yang et al.

Summary: The solution treatment of perovskite films introduces defects in the grain boundaries, affecting the efficiency and stability of perovskite solar cells. By synthesizing the PS-PAN polymer and incorporating it into the perovskite film, the efficiency of the solar cells is significantly improved and maintained under various environmental conditions.

NANO ENERGY (2021)

Article Chemistry, Physical

Metal-Free Phthalocyanine as a Hole Transporting Material and a Surface Passivator for Efficient and Stable Perovskite Solar Cells

Seung-Woo Kim et al.

Summary: In this study, H-2-phthalocyanine was introduced as a hole transport material to enhance the thermal stability of perovskite solar cells, leading to a power conversion efficiency exceeding 20% and maintaining long-term stability.

SMALL METHODS (2021)

Article Chemistry, Multidisciplinary

Bonding Strength Regulates Anchoring-Based Self-Assembly Monolayers for Efficient and Stable Perovskite Solar Cells

Erpeng Li et al.

Summary: Anchoring-based self-assembly using strong anchoring groups can improve the assembly rate, density, and compactness of monolayers for perovskite solar cells, leading to enhanced charge collection and suppressed interfacial recombination. Prototype PSCs based on optimal monolayers achieved a high PCE of 21.43% and maintained 90% of initial PCE after three months, demonstrating the practical utility of the ASA strategy for scaling-up.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Engineering, Environmental

Fluorinated Cross-linkable and Dopant-free hole transporting materials for efficient and stable perovskite solar cells

Jianchang Wu et al.

Summary: Two novel hole transporting materials with thermally cross-linkable styryl groups were developed for perovskite solar cells, enabling in situ cross-linking and smooth, solvent-resistant film formation. The fluorination approach enhanced interactions between HTM, formamidine, and lead in perovskite, leading to improved efficiency and stability, with HTM-F showing higher power conversion efficiency and better retention of initial performance after prolonged exposure to air and heat compared to the fluorine-free HTM-H.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Multidisciplinary

Spontaneous interface engineering for dopant-free poly(3-hexylthiophene) perovskite solar cells with efficiency over 24%

Min Ju Jeong et al.

Summary: By incorporating gallium(iii) acetylacetonate into organic hole-transporting materials without additional surface treatment processes, the interface engineering strategy efficiently reduces the recombination loss and enhances the performance of perovskite solar cells. This method significantly improves the power conversion efficiency of PSCs and maintains stability without hygroscopic additives, showing a promising route for high performance and commercialization.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Physical

Conjugated copolymers as doping- and annealing-free hole transport materials for highly stable and efficient p-i-n perovskite solar cells

Hui Ma et al.

Summary: Recent research has focused on developing efficient organic-inorganic halide perovskite solar cells with block copolymers as hole transport layers (HTLs) that do not require doping or thermal annealing. This approach has resulted in high power conversion efficiencies (PCEs) for Pero-SCs, with devices exhibiting high tolerance to moisture and heat.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Review Chemistry, Physical

Perovskite Solar Cells: Can We Go Organic-Free, Lead-Free, and Dopant-Free?

Tsutomu Miyasaka et al.

ADVANCED ENERGY MATERIALS (2020)

Review Chemistry, Physical

Development of Dopant-Free Organic Hole Transporting Materials for Perovskite Solar Cells

Hong Duc Pham et al.

ADVANCED ENERGY MATERIALS (2020)

Article Chemistry, Multidisciplinary

Aza[5]helicene Rivals N-Annulated Perylene as π-Linker of D-π-D Typed Hole-Transporters for Perovskite Solar Cells

Jianan Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Nanoscience & Nanotechnology

Defect-Passivating Organic/Inorganic Bicomponent Hole-Transport Layer for High Efficiency Metal-Halide Perovskite Device

Sewook Lee et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Article Chemistry, Multidisciplinary

Regulating Surface Termination for Efficient Inverted Perovskite Solar Cells with Greater Than 23% Efficiency

Fengzhu Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Multidisciplinary Sciences

Stable perovskite solar cells with efficiency exceeding 24.8% and 0.3-V voltage loss

Mingyu Jeong et al.

SCIENCE (2020)

Article Chemistry, Physical

Carrier transport composites with suppressed glass-transition for stable planar perovskite solar cells

Ligang Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Article Chemistry, Multidisciplinary

Semi-Locked Tetrathienylethene as a Building Block for Hole-Transporting Materials: Toward Efficient and Stable Perovskite Solar Cells

Chao Shen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

Article Chemistry, Multidisciplinary

High Efficiency Planar p-i-n Perovskite Solar Cells Using Low-Cost Fluorene-Based Hole Transporting Material

Jing Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Article Chemistry, Multidisciplinary

17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS

Yuanbao Lin et al.

ADVANCED MATERIALS (2019)

Article Chemistry, Physical

Facile synthesis of triphenylamine-based hole-transporting materials for planar perovskite solar cells

Liangsheng Duan et al.

JOURNAL OF POWER SOURCES (2019)

Article Nanoscience & Nanotechnology

Contrasting Effects of Organic Chloride Additives on Performance of Direct and Inverted Perovskite Solar Cells

Pang Wang et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Chemistry, Multidisciplinary

Polymeric, Cost-Effective, Dopant-Free Hole Transport Materials for Efficient and Stable Perovskite Solar Cells

Fuguo Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Chemistry, Multidisciplinary

20.7% highly reproducible inverted planar perovskite solar cells with enhanced fill factor and eliminated hysteresis

Xixia Liu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2019)

Article Nanoscience & Nanotechnology

Cobalt Oxide (CoOx) as an Efficient Hole-Extracting Layer for High Performance Inverted Planar Perovskite Solar Cells

Ahmed Esmail Shalan et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

Article Nanoscience & Nanotechnology

Molecular Orientation and Energy Levels at Organic Interfaces

Yiying Li et al.

ADVANCED ELECTRONIC MATERIALS (2016)

Article Chemistry, Multidisciplinary

CuSCN-Based Inverted Planar Perovskite Solar Cell with an Average PCE of 15.6%

Senyun Ye et al.

NANO LETTERS (2015)

Review Chemistry, Multidisciplinary

Perovskite as Light Harvester: A Game Changer in Photovoltaics

Samrana Kazim et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

Article Physics, Applied

Unusual defect physics in CH3NH3PbI3 perovskite solar cell absorber

Wan-Jian Yin et al.

APPLIED PHYSICS LETTERS (2014)

Article Chemistry, Multidisciplinary

Atomic Level Resolution of Dye Regeneration in the Dye-Sensitized Solar Cell

Kiyoshi C. D. Robson et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)