Enhancing the Efficiency of Indoor Perovskite Solar Cells through Surface Defect Passivation with Coplanar Heteroacene Cored A–D–A‐type Molecules DOI
Bing‐Huang Jiang,

Zhen‐Jie Gao,

Chien‐Yu Lung

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(19)

Published: Dec. 29, 2023

Abstract The passivation of perovskite interfacial defects by the electron transport layer (ETL) has emerged as an effective strategy for enhancing performance solar cells (PSCs). Dithieno[2,3‐d:2′,3′‐d′]thieno[3,2‐b:3′,2′‐b′]dipyrrole (DTPT)‐based acceptor‐donor‐acceptor (A–D–A) molecules composed coplanar heteroacene electron‐donating core end‐capped with various electron‐accepting moieties are designed and examined ETL modifiers PSCs. Employing PCBM:DTPTCY results in defects, facilitation energy alignment at ETL/perovskite interface, enhancement carrier efficiency. optimized blended ETL‐based Cs 0.18 FA 0.82 Pb(I 0.8 Br 0.2 ) 3 p‐i‐n PSC exhibit performances 37.2% 39.9% under TL84 3000K LED (1000 lux), respectively. DTPTCY‐based device demonstrates remarkable stability, retaining 87% its initial power conversion efficiency (PCE) after 30 days storage a 40% relative humidity (RH) ambient air environment without any encapsulation, surpassing control device, which retains only 67% original PCE. These findings underscore potential A–D–A‐type molecule‐based interface modification to enhance contact properties, ultimately leading high‐efficiency stable

Language: Английский

Ternary Blend Organic Solar Cells: Understanding the Morphology from Recent Progress DOI
Xiaopeng Xu, Ying Li, Qiang Peng

et al.

Advanced Materials, Journal Year: 2021, Volume and Issue: 34(46)

Published: Nov. 19, 2021

Ternary blend organic solar cells (TB-OSCs) incorporating multiple donor and/or acceptor materials into the active layer have emerged as a promising strategy to simultaneously improve overall device parameters for realizing higher performances than binary devices. Whereas introducing also results in more complicated morphology their counterparts. Understanding is crucially important further improving performance of TB-OSC. This review introduces solubility and miscibility that affect ternary blends. Then, this summarizes recent processes study on blends from aspects molecular crystallinity, packing orientation, domain size purity, directly observation morphology, vertical phase separation well morphological stability. Finally, summary prospects TB-OSCs are concluded.

Language: Английский

Citations

196
Wide Bandgap Polymer with Narrow Photon Harvesting in Visible Light Range Enables Efficient Semitransparent Organic Photovoltaics DOI

Chunyu Xu,

Ke Jin, Zuo Xiao

et al.

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 31(52)

Published: Sept. 21, 2021

Abstract Wide bandgap polymer D18 with narrow photon harvesting in visible light range and small molecule N3 near‐infrared are adopted for building semitransparent organic photovoltaics (OPVs). To find out the optimal D18:N3 weight ratio OPVs, series of opaque OPVs built a varied ratio. The power conversion efficiency (PCE) fill factor can be maintained over 16% 77% (0.7:1.6, wt/wt) based respectively. average transmittance (AVT) corresponding blend films achieved 50%, demonstrating great potential fabricating efficient OPVs. on fabricated by using 1 nm Au/(10, 15, 20 nm) Ag as cathode. thickness layers is to balance optical properties electrical top electrode. 10 achieve highest utilization 2.90% PCE 12.91% an AVT 22.49%, which should among best performance reported This work demonstrates that wide donor has preparing

Language: Английский

Citations

164
Rational compatibility in a ternary matrix enables all-small-molecule organic solar cells with over 16% efficiency DOI

Mengyun Jiang,

Hairui Bai,

Hong‐Fu Zhi

et al.

Energy & Environmental Science, Journal Year: 2021, Volume and Issue: 14(7), P. 3945 - 3953

Published: Jan. 1, 2021

The ternary all-small-molecule organic solar cells deliver a top-ranked power conversion efficiency of 16.28%, benefiting from the rational compatibility in theB1:BO-4Cl:Y7matrix.

Language: Английский

Citations

154
Smart Ternary Strategy in Promoting the Performance of Polymer Solar Cells Based on Bulk‐Heterojunction or Layer‐By‐Layer Structure DOI
Wenjing Xu, Xiaoling Ma, Jae Hoon Son

et al.

Small, Journal Year: 2021, Volume and Issue: 18(4)

Published: Nov. 28, 2021

Although the rapid development of polymer solar cells (PSCs) has been achieved, it is still a great challenge to explore efficient ways for improving power conversion efficiency (PCE) PSCs from materials and device engineering. Ternary strategy confirmed as an way improve PCE by employing three kinds materials. In this work, one donor PM6, two non-fullerene N3 MF1 are selected prepare ternary with layer-by-layer (LbL) or bulk-heterojunction (BHJ) structure. The LbL BHJ-PSCs exhibit PCEs 16.75% 16.76% 15 wt% content in acceptors, corresponding over 5% 4% improvement compared N3-based binary BHJ mainly attributed fill factor enhancement 73.29% 76.95% LbL-PSCs 74.13% 77.51% strategy. This work indicates that potential preparing highly via simultaneously optimizing molecular arrangement thickness each layer.

Language: Английский

Citations

126
A review on energy conversion using hybrid photovoltaic and thermoelectric systems DOI
Jian Tang, Hao Ni,

Run-Ling Peng

et al.

Journal of Power Sources, Journal Year: 2023, Volume and Issue: 562, P. 232785 - 232785

Published: Feb. 11, 2023

Language: Английский

Citations

125
Ultra-Narrow-Band NIR Photomultiplication Organic Photodetectors Based on Charge Injection Narrowing DOI
Ming Liu, Jian Wang, Zijin Zhao

et al.

The Journal of Physical Chemistry Letters, Journal Year: 2021, Volume and Issue: 12(11), P. 2937 - 2943

Published: March 16, 2021

Ultra-narrow-band NIR photomultiplication organic photodetectors (PM-OPDs) were realized in ITO/PEDOT:PSS/active layers/Al based on an interfacial-trap-induced charge injection narrowing (CIN) concept. The rather less Bod Ethex-Hex (BEH) is imbedded a polymer donor matrix to form large amounts of isolated electron traps. Trapped electrons BEH close Al electrode will enforce hole-tunneling induced by interfacial band bending, resulting phenomenon. PM-OPDs with P3HT:BEH as the active layer exhibit narrow response peak at 850 nm full-width half-maximum (fwhm) 27 well weak from 650 800 nm. EQE 29 700% was achieved incorporating 0.02 wt % F6TCNNQ under −13 V applied voltage. rejection ratio (RR) optimized 11 for EQE850 nm/EQE700 and 10 nm/EQE750 nm, respectively. An 15 300% ternary voltage, markedly enhanced RRs 44 30

Language: Английский

Citations

114
Isogenous Asymmetric–Symmetric Acceptors Enable Efficient Ternary Organic Solar Cells with Thin and 300 nm Thick Active Layers Simultaneously DOI

Hairui Bai,

Qiaoshi An,

Mengyun Jiang

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(26)

Published: March 23, 2022

Abstract Integrating desirable light absorption, energy levels, and morphology in one matrix is always the aspiration to construct high‐performance organic solar cells (OSCs). Herein, an asymmetric acceptor Y6‐1O incorporated into binary blends of Y7‐BO donor PM6 prepare ternary OSCs. Two isogenous asymmetric–symmetric acceptors with similar chemical skeletons tend form alloy‐like state due their good compatibility, which contributes optimizing for efficient charge generation extraction. The complementary absorption two helps improve photon harvesting blends, higher lowest unoccupied molecular orbital (LUMO) level offers chance uplift mixed LUMO levels acceptors. Combining aforesaid benefits, OSCs 10 wt% produce a top‐ranked power conversion efficiency (PCE) 18.11% simultaneously elevated short‐circuit current density, open‐circuit voltage, fill factor comparison Y7‐BO‐based devices. Furthermore, optimized ≈300 nm active layers obtain champion PCE 16.61%, highest value thick‐film devices reported so far. This work puts forward avenue further boosting performance but different structures.

Language: Английский

Citations

113
Recent Developments of Polymer Solar Cells with Photovoltaic Performance over 17% DOI
Jianghao Jin,

Qiao Wang,

Kaige Ma

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(14)

Published: Jan. 22, 2023

Abstract With the emergence of ADA'DA‐type (Y‐series) non‐fullerene acceptors (NFAs), power conversion efficiencies (PCEs) organic photovoltaic devices have been constantly refreshed and gradually reached 20% in recent years (19% for single junction tandem device). The possess specific design concept, which greatly enrich NFA types excellent compatibility with many donor materials. It is gratifying to note that previously underperforming materials combine these regulated shine again. Nowadays, concept modular widely used research donors, injecting new vitality into field photovoltaics. Furthermore, also promote multicomponent devices, bilayer processing solvent engineering, additive engineering. Herein, latest progresses polymer solar cells efficiency over 17% are briefly reviewed from aspects active material design, interface development, device technology. At last, opportunities challenges commercialization future discussed.

Language: Английский

Citations

74
Achieving 17.94% efficiency all-polymer solar cells by independently induced D/A orderly stacking DOI
Jianxiao Wang,

Chenyu Han,

Shuguang Wen

et al.

Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 16(5), P. 2327 - 2337

Published: Jan. 1, 2023

Compatible polymer donor can effectively penetrate into D/A aggregations and independently optimize their orderly stacking to achieve highly efficient APSCs.

Language: Английский

Citations

57
Over 18.2% efficiency of layer–by–layer all–polymer solar cells enabled by homoleptic iridium(III) carbene complex as solid additive DOI
Hang Zhou, Yingjie Sun, Miao Zhang

et al.

Science Bulletin, Journal Year: 2024, Volume and Issue: 69(18), P. 2862 - 2869

Published: July 15, 2024

Language: Английский

Citations

31