Evidence map›Paper›PMID 41854927›Full record

ArticleNano-micro letters2026

Exceeding 30% Efficiency of Red Perovskite Quantum Dot Light-Emitting Diodes via Interparticle Energy Dissipation Suppression.

Zhiwei Yao, Changsheng Liang, Chenghao Bi, Wenyuan Zhou, Ke Ren, Ming Deng, Shuo Ding, Chaoyu Xiang

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nano-micro letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Zhiwei Yao *Laboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China.
Changsheng Liang *Laboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China.
Chenghao BiCollege of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, People's Republic of China. chenghao.bi@hrbeu.edu.cn.
Wenyuan ZhouLaboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China.
Ke RenCollege of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, People's Republic of China.
Ming DengLaboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China.
Shuo DingLaboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China. dingshuo@nimte.ac.cn.
Chaoyu XiangLaboratory of Advanced Nano-Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo, 315201, People's Republic of China. xiangchaoyu@nimte.ac.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The performance limits of perovskite quantum dot (QD) light-emitting diodes (PeLEDs) remain incompletely explored currently. Energy dissipation arising from interdot electronic coupling in QD solid films is readily induced by reduced interparticle distances and delocalized electron wavefunctions, thereby triggering severe nonradiative recombination and impeding further efficiency gains. To mitigate this energy loss, 1H,1H-undecafluorohexylamine (11-PFHA), characterized by pronounced steric self-repulsion and concentrated electron density distribution, was employed. The steric self-repulsion of 11-PFHA enlarges interdot spacing, while its concentrated electron distribution restructures the QDs' surface electron distribution and establishes a higher interfacial electronic potential barrier between adjacent QDs. The treatment of 11-PFHA effectively suppresses electronic coupling and concomitant energy dissipation. Consequently, 11-PFHA-treated red-emitting perovskite QDs exhibit a near-unity photoluminescence quantum yield. PeLEDs fabricated with these optimized QDs achieve record external quantum efficiencies (EQEs), reaching 28.9% at 640 nm and 32.0% at 657 nm, indicating the highest EQE values reported to date.

Indexed as

Light-emitting diodesNegligible redshift in FilmRed CsPbI3 quantum dotsSelf-repulsion ligandsSuppressed energy dissipation

Identifiers

PMID41854927
PMCPMC13003073

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.