10.2% Power Conversion Efficiency Polymer Tandem Solar Cells Consisting of Two Identical Sub‐Cells

You, Jingbi; Chen, Chun Chao; Hong, Ziruo; Yoshimura, Ken; Ohya, Kenichiro; Xu, Run; Ye, Shenglin; Gao, Jing; Li, Gang; Yang, Yang

doi:10.1002/adma.201300964

Cited by 428 publications

(310 citation statements)

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“…When two identical PDTP-DFBT:PC 71 BM sub-cells were used, instead, the reported performance was 10.2%. 41 Fig . 3 Structures of successful polymers used in OPV devices.…”

Section: Tandem Solar Cellsmentioning

confidence: 99%

New generation solar cells: concepts, trends and perspectives

2015

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Organic, dye-sensitized and perovskite solar cell technologies have triggered widespread interest in recent years due to their very promising potential towards a high solar electricity future. A number of important milestones have marked the roadmap of each sector on the way to today's outstanding performances, but there still remains plenty of scope for further improvement. The most influential landmarks, together with basic concepts and future perspectives are unraveled in this review.

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“…When two identical PDTP-DFBT:PC 71 BM sub-cells were used, instead, the reported performance was 10.2%. 41 Fig . 3 Structures of successful polymers used in OPV devices.…”

Section: Tandem Solar Cellsmentioning

confidence: 99%

New generation solar cells: concepts, trends and perspectives

2015

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“…Solution‐processed polymer solar cells (PSCs) are a promising way for the utility of solar energy, and have been intensively investigated due to their advantages of light weight, low‐cost, and flexible devices through roll‐to‐roll solution processes 2, 3, 4, 5. The PSCs based on conjugated polymers as an electron donor (D) and fullerene derivatives as an acceptor (A) have power conversion efficiencies (PCEs) of over 10% 6, 7, 8, 9, 10. However, the development of fullerene‐based PSCs is impeded by the shortcomings of the fullerene derivatives, such as weak absorption in the visible region and limited energy level modulation.…”

Section: Introductionmentioning

confidence: 99%

A New Electron Acceptor with meta‐Alkoxyphenyl Side Chain for Fullerene‐Free Polymer Solar Cells with 9.3% Efficiency

Zhang

Feng

et al. 2017

Advanced Science

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A new small molecule acceptor, m‐ITIC‐OR, based on indacenodithieno[3,2‐b]thiophene core with meta‐alkoxyphenyl side chains, is designed and synthesized. The m‐ITIC‐OR film shows broader and redshift absorption compared to its solution and matched energy levels with a hexafluoroquinoxaline‐based polymer donor‐HFQx‐T. Here, polymer solar cells (PSCs) by blending an HFQx‐T donor and an m‐ITIC‐OR acceptor as an active layer deliver the power conversion efficiency (PCE) of 6.36% without any posttreatment. The investigations demonstrate that the HFQx‐T:m‐ITIC‐OR blend films possess higher and more balanced charge mobility, negligible bimolecular recombination, and nanoscale interpenetrating morphology after thermal annealing (TA) treatment. Through a simple TA treatment at 150 °C for 5 min, an impressive PCE of 9.3% is obtained. This efficiency is among one of the highest PCEs for additive free PSCs. This is the first time alkoxyphenyl side chain is introduced into nonfullerene electron acceptor; more interestingly, the new electron acceptor (m‐ITIC‐OR) in this work shows a great potential for highly efficient photovoltaic properties.

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“…4,5 These devices typically contain an active layer comprising a conjugated polymer as the electron donating unit such as PTB7, PCDTBT, Si-PCPDTBT or P3HT and a soluble fullerene as electron acceptor such as PC60BM, PC70BM or ICBA 2,[6][7][8] Small molecules have recently been used as donor and acceptor components in BHJ-OPVs 9 and device efficiencies of 7-9% have been achieved for single-junction solar cells, 10-15 while a 10.1% PCE has been achieved for a solution-based small molecule tandem cell. 12 Advantages of small molecules include well-dened structures and characterisability, higher manufacturing yields, facile purication techniques, 16 and their reproducible, less complex syntheses.…”

Section: Introductionmentioning

confidence: 99%