Strained hybrid perovskite thin films and their impact …
Strained hybrid perovskite thin films and their impact on the ...
3 yuan solar cell
Strained hybrid perovskite thin films and their impact on the ...
The ''new three'': How China came to lead solar cell, lithium …
The "new three" has been a buzzword among Chinese officials and state media recently, as they highlight the strong performance of solar cells, lithium-ion batteries and electric vehicles (EVs) in driving China''s exports this year. China accounts for more than 80 per cent of the global solar cell exports, more than 50 per cent of lithium-ion batteries …
Anti-solvent dependent device performance in CH3NH3PbI3 solar cells…
For high-performance perovskite solar cells, one-step solution deposition with anti-solvent washing is reported as an excellent processing method. In this paper, we employ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), to quantitatively evaluate the relative contents of an in
Origins of the open-circuit voltage in ternary organic solar cells …
The power conversion efficiency of ternary organic solar cells (TOSCs), consisting of one host binary blend and one guest component, remains limited by large …
Postsurface Selenization for High Performance Sb2S3 Planar Thin Film Solar Cells …
Sb 2 S 3 has attracted great research interest very recently as a promising absorber material for thin film photovoltaics because of their unique optical and electrical properties, binary compound and easy synthesis. Sb 2 S 3 planar solar cells from evaporation method without hole-transport layer (HTM) assistance suffer from sulfur …
Recent advances in stability of organic solar cells
Organic solar cells have achieved rapid development over the last few years, benefitting from the emerging of new non-fullerene acceptors (NFAs). The reported power conversion efficiency of OSCs has achieved over 18% up to now, however, the inferior stability issue ...
Mobile iodides capture for highly photolysis
and reverse-bias-stable perovskite solar cells
Significant increase in efficiency and limited toxicity of a solar cell …
Antimony selenide (Sb 2 Se 3) thin films are attractive light-absorbing materials used in low-cost and highly efficient thin-film solar cells order to increase the efficiency of Sb 2 Se 3 solar cells based on a tin oxide (SnO 2) buffer layer, an ultrathin cadmium sulfide (CdS) film was introduced at the interface between the fluorine doped SnO 2 glass (FTO) and the …
Improved charge extraction in inverted perovskite solar cells with …
Improved charge extraction in inverted perovskite solar ...
15.3% efficiency all-small-molecule organic solar cells enabled by …
Yuan J, Zhang Y, Zhou L, et al. Single-junction organic solar cell with over 15% efficiency using fused-ring acceptor with electron-deficient core. Joule, 2019, 3: …
High Efficiency Inorganic Perovskite Solar Cells …
The CsPbI 3 solar cell shows a considerable power conversion efficiency of 20.1% with an open-current voltage of 1.18 V and a high fill factor of 83.5% and excellent working stability.
Effect of semi-perfluoroalkyl chains on A-DA′D-A type …
Herein, a new A-DA′D-A structured small molecule acceptor named m-TF9, containing semi-perfluoroalkyl chains, was designed and synthesized for highly efficient organic solar cells (OSCs). …
Single-Junction Organic Solar Cell with over 15% Efficiency Using …
By this strategy, the Y6-based solar cell delivers a high-power conversion efficiency of 15.7% with both conventional and inverted architecture. By this research, we …
All-inorganic CsPbBr 3 perovskite solar cell with 10.26% efficiency by spectra engineering …
All-inorganic perovskite solar cells (PSCs) are regarded as a promising solution to improve the environmental tolerance of emerging photovoltaics; however, the narrow light response (<550 nm) of cesium lead bromide (CsPbBr 3) perovskites markedly lowers their power conversion efficiency (PCE). ...
Single-junction organic solar cells with over 19% efficiency …
Organic semiconductors offer the advantage of high optical absorption and tunable energy levels, enabling thin-film solar cells with high light-to-electron conversion …
CsPbI 3 perovskite quantum dot solar cells: opportunities, progress and challenges …
CsPbI 3 perovskite quantum dot solar cells: opportunities, progress and challenges J. Khan, I. Ullah and J. Yuan, Mater. Adv., 2022, 3, 1931 DOI: 10.1039/D1MA01075A This article is licensed under a Creative Commons Attribution.
10.3% Efficient Green Cd‐Free Cu2ZnSnS4 Solar …
Abstract Small grain size and near-horizontal grain boundaries are known to be detrimental to the carrier collection efficiency and device performance of pure-sulfide Cu2ZnSnS4 (CZTS) solar cells. ... 1 Introduction Pure …
3-D Solar Cells: Wunderkind Revolutionizes Eco-Friendly Power
William Yuan''s 3-D cell combines both, with highly-efficient and powerful results. "[This solar cell] would make solar energy actually a viable energy source for the Pacific Northwest," says Yuan. William Yuan''s research has yielded him a $25,000 scholarship and
Perovskite and quantum dot tandem solar cells with …
In this work, four-terminal (4T) tandem solar cells were fabricated by using a methylammonium lead iodide (MAPbI3) perovskite solar cell (PSC) as the front-cell and a lead sulfide (PbS) colloidal quantum dot solar cell …
High Efficiency Inorganic Perovskite Solar Cells Based On Low Trap Density and High Carrier Mobility CsPbI3 Films
Inorganic perovskite CsPbI 3 has exhibited promising performance in single-junction solar cells, but the grain boundaries (GBs) in its film cause the formation of the defects with deep energy levels (such as iodide vacancy (V I)) and impede the transport of carriers, worsening the efficiency and stability of the solar cells. ...
Ligand-assisted cation-exchange engineering for high-efficiency colloidal Cs1−xFAxPbI3 quantum dot solar cells with reduced phase ...
Yuan, J. et al. Band-aligned polymeric hole transport materials for extremely low energy loss α-CsPbI 3 perovskite nanocrystal solar cells. Joule 2, 2450–2463 (2018). Article Google Scholar
Volatile Perovskite Precursor Ink Enables Window Printing of Phase‐Pure FAPbI3 Perovskite Solar Cells and Modules in Ambient Atmosphere
Volatile Perovskite Precursor Ink Enables Window Printing ...
Influence of the MACl additive on grain boundaries, trap-state properties, and charge dynamics in perovskite solar cells
Grain boundary trap passivation in perovskite films has become one of the most effective strategies for suppressing the charge recombination and enhancing the photovoltaic performance of perovskite solar cells, whereas the relevant trap-state properties and the charge carrier dynamics need to be further clar
Semitransparent solar cells with over 12% efficiency …
Rational molecular design of n-type organic semiconductors with strong near-infrared absorption and visible-light transmittance is critical but still a challenge for application in high efficiency semitransparent organic solar …
Single-Junction Organic Solar Cell with over 15% Efficiency Using …
The device under test (DUT) was an organic polymer solar cell. Each sample had 3 devices on one glass substrate. The device contact structure was of …
Polythiophenes for organic solar cells with efficiency surpassing 17%
Polythiophenes with unprecedented photovoltaic performance are developed for organic solar cells (OSCs). A prominent efficiency of 17.2% has been achieved, which is the new efficiency record and represents a big breakthrough for polythiophene-based OSCs. Benefiting from the intrinsic structural simplicity and …
Organic solvent vapor sensitive methylammonium lead trihalide film formation for efficient hybrid perovskite solar cells
The anisotropic electronic properties of the perovskite crystals originating from their non-cubic crystal structures can potentially give rise to the grain orientation correlated photovoltaic device performance. Here we report that an organic solvent vapor atmosphere introduced during the spin-coating and fo
Molecular engineering of hole-selective layer for high band gap perovskites for highly efficient and stable perovskite-silicon tandem solar cells
Article Molecular engineering of hole-selective layer for high band gap perovskites for highly efficient and stable perovskite-silicon tandem solar cells Guoliang Wang,1,2,9 Jianghui Zheng,1,2,3,4,9,* Weiyuan Duan,5,9 Jiong Yang,6,9 Md Arafat Mahmud,1,2 Qing Lian,7 ShiTang,1,2 ChwenhawLiao,1,2 JuemingBing,1,2 JianpengYi,1,2 Tik Lun Leung,1,2 …
Single-Junction Organic Solar Cell with over 15% Efficiency Using …
A new class of non-fullerene acceptor, Y6, by employing a ladder-type electron-deficient-core-based central fused ring with a benzothiadiazole core is reported. Organic photovoltaics made from Y6 in conventional and inverted architectures each exhibited a high efficiency of 15.7%, measured in two separate labs. Inverted device …
Efficient planar heterojunction perovskite solar cells employing graphene …
Graphene oxide (GO) is employed as a hole conductor in inverted planar heterojunction perovskite solar cells, and the devices with CH3NH3PbI3−xClx as absorber achieve an efficiency of over 12%. The perovskite film grown on GO exhibits enhanced crystallization, high surface coverage ratio as well as preferred
Journal of Materials Chemistry C
The efficiency of Sb 2 Se 3 solar cells has been increased by 80%, which mainly resulted from the better spectral response, especially in the long wavelength (600–1000 nm) region. In addition, the introduction of oxygen …
Efficient All‐Inorganic Sb2S3 Solar Cells with Matched Energy Levels Using Sb2Se3 as Hole Transport Layers
As a result, the all-inorganic Sb 2 S 3 solar cell with a Sb 2 Se 3 HTL greatly increases the power conversion efficiency from 2.7% to 5.8% and the fill factor from 40% to 55.4%. The additional Sb 2 Se 3 /Au interface with matched energy-level alignments reduces the back-contact barrier and facilitates hole transport and collection.
Tuning the electron-deficient core of a non-fullerene acceptor to achieve over 17% efficiency in a single-junction organic solar cell …
Finding effective molecular design strategies to enable efficient charge generation and small energy loss is among the long-standing challenges in developing high performance non-fullerene organic solar cells (OSCs). Recently, we reported Y-series non-fullerene acceptors with an electron-deficient-core-based
Alkyl Chain Tuning of Small Molecule Acceptors for Efficient …
As a result, the best performance was obtained with N3, achieving a PCE of 16.0% in binary devices. Further device optimization using ternary strategy, by …
10.3% Efficient Green Cd‐Free Cu2ZnSnS4 Solar …
This method greatly improves the carrier collection efficiency in CZTS solar cells, leading to an average J SC boost of ≈2 mA cm −2 and significant increase of FF and V OC, enabling 10.3% efficient Cd-free champion cells.