Evidence map›Paper›PMID 26382113›Full record

ArticleNature communications2015

Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells.

Yu Zhong, M Tuan Trinh, Rongsheng Chen, Geoffrey E Purdum, Petr P Khlyabich, Melda Sezen, Seokjoon Oh, Haiming Zhu, Brandon Fowler, Boyuan Zhang and 9 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nature communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing 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

52 citing papers in PubMed.

  1. Article
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  3. Iterative Synthesis of Pyrene-Coronene Molecular Graphene Nanoribbons.Angewandte Chemie (International ed. in English) · 2026
    Article
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  14. Article
  15. Article
  16. Article
  17. Doubling the Length of the Longest Pyrene-Pyrazinoquinoxaline Molecular Nanoribbons.Angewandte Chemie (International ed. in English) · 2022
    Article
  18. Article
  19. Article
  20. Article
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

19 authors.

Yu ZhongDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
M Tuan TrinhDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Rongsheng ChenDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Geoffrey E PurdumDepartment of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA.
Petr P KhlyabichDepartment of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA.
Melda SezenDepartment of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA.
Seokjoon OhDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Haiming ZhuDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Brandon FowlerDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Boyuan ZhangDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Wei WangDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Chang-Yong NamCenter for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York, New York 11973, USA.
Matthew Y SfeirCenter for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York, New York 11973, USA.
Charles T BlackCenter for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York, New York 11973, USA.
Michael L SteigerwaldDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Yueh-Lin LooDepartment of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA.
Fay NgDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
X-Y ZhuDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.
Colin NuckollsDepartment of Chemistry, Columbia University, 3000 Broadway, Havemeyer Hall, MC3130, New York, New York 10027, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Despite numerous organic semiconducting materials synthesized for organic photovoltaics in the past decade, fullerenes are widely used as electron acceptors in highly efficient bulk-heterojunction solar cells. None of the non-fullerene bulk heterojunction solar cells have achieved efficiencies as high as fullerene-based solar cells. Design principles for fullerene-free acceptors remain unclear in the field. Here we report examples of helical molecular semiconductors as electron acceptors that are on par with fullerene derivatives in efficient solar cells. We achieved an 8.3% power conversion efficiency in a solar cell, which is a record high for non-fullerene bulk heterojunctions. Femtosecond transient absorption spectroscopy revealed both electron and hole transfer processes at the donor-acceptor interfaces. Atomic force microscopy reveals a mesh-like network of acceptors with pores that are tens of nanometres in diameter for efficient exciton separation and charge transport. This study describes a new motif for designing highly efficient acceptors for organic solar cells.

Indexed as

ElectronsSemiconductorsSolar EnergyElectric Power SuppliesImidesMicroscopy, Atomic ForceMolecular StructureNanotechnologyPerylenePolymersSpectrum AnalysisX-Ray DiffractionImidesPeryleneperylenediimidePolymers

Identifiers

PMID26382113
PMCPMC4595599

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.