Ion agent mitigates efficiency roll-off in near-infrared electroluminescence for practical bioimaging and information encryption.

Tao Yang, Ye Wang, Zong-Shuo Liu, Feng Zhao, Wei-Zhi Liu, Wan-Shan Shen, Ya-Kun Wang, Liang-Sheng Liao

Abstract read

In one paragraph

Article in Light, science & applications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it

0cells of the map it votes in

0citing 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

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3 · Its place in the literature

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0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Tao YangInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.

Ye WangInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.

Zong-Shuo LiuInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.

Feng ZhaoInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.

Wei-Zhi LiuInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.

Wan-Shan ShenInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China.ORCID http://orcid.org/0009-0002-3602-7128

Ya-Kun WangInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China. wangyakun@suda.edu.cn.ORCID http://orcid.org/0000-0002-8970-6856

Liang-Sheng LiaoInstitute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, State Key Laboratory of Bioinspired Interfacial Materials Science, Soochow University, 215123, Suzhou, Jiangsu, China. lsliao@suda.edu.cn.ORCID http://orcid.org/0000-0002-2352-9666

Funding

National Natural Science Foundation of China (National Science Foundation of China) 62175171National Natural Science Foundation of China (National Science Foundation of China) 62474119

6 · The paper itself

Abstract

Perovskite quantum dots (PQDs) are promising emitters for next-generation light-emitting diodes (LEDs), yet PQD-based near-infrared (NIR) LEDs still suffer from low external quantum efficiencies (EQEs) and severe efficiency roll-off. This limitation arises from the trade-off between enhancing carrier transport with conductive ligands and preserving PQD surface integrity during ligand exchange. Here, we report an ionic liquid-mediated surface reconstruction strategy that simultaneously stabilizes PQD surface and enhances charge transport. Incorporating the multifunctional ionic liquid 1-methyl-3-propylimidazolium iodide (MPII) into the antisolvent suppresses defect formation while forming an in situ protective layer, effectively reducing surface traps and preserving PQD structural integrity. The treated PQD films exhibit a twofold reduction in trap density and a tenfold increase in conductivity, ensuring balanced carrier injection and efficient radiative recombination. As a result, the fabricated NIR LEDs achieve a record EQE of 24.8%, maintaining ~20% EQE at a radiance of 10 W sr

Identifiers

PMID42098090

DOI10.1038/s41377-026-02237-1

PMCPMC13153217

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LicenceCC BY

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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.