Student or educator? Sign up with your school email and get 6 months of Pro free.
Cited by 425

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance?

Liu, Fangzhou, Dong, Qi, Wong, Man Kwong, Djurišić, Aleksandra B., Ng, Annie, Ren, Zhiwei, Shen, Qian, Surya, Charles, Chan, Wai Kin, Wang, Jian, Ng, Alan Man Ching, Liao, Changzhong, Li, Hangkong, Shih, Kaimin, Wei, Chengrong, Su, Huimin, Dai, Junfeng·2016·Advanced Energy Materials

Abstract

Unreacted lead iodide is commonly believed to be beneficial to the efficiency of methylammonium lead iodide perovskite based solar cells, since it has been proposed to passivate the defects in perovskite grain boundaries. However, it is shown here that the presence of unreacted PbI 2 results in an intrinsic instability of the film under illumination, leading to the film degradation under inert atmosphere and faster degradation upon exposure to illumination and humidity. The perovskite films without lead iodide have improved stability, but lower efficiency due to inferior film morphology (smaller grain size, the presence of pinholes). Optimization of the deposition process resulted in PbI 2‐free perovskite films giving comparable efficiency to those with excess PbI 2 (14.2 ± 1.3% compared to 15.1 ± 0.9%) Thus, optimization of the deposition process for PbI 2‐free films leads to dense, pinhole‐free, large grain size perovskite films which result in cells with high efficiency without detrimental effects on the film photostability caused by excess PbI 2. However, it should be noted that for encapsulated devices illuminated through the substrate (fluorine‐doped tin oxide glass, TiO 2 film), film photostability is not a key factor in the device degradation.

Overview

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1002/aenm.201502206

Cites

38 of 38 references verified0 citation errors · 0 not checkable

Statistics

Verification

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Citations

Cites

Show all 38 references

Cited by

See all 425

Metadata

Authors
Liu, F., Dong, Q., Wong, M. K., Djurišić, A. B., Ng, A., Ren, Z., Shen, Q., Surya, C., Chan, W. K., Wang, J., Ng, A. M. C., Liao, C., Li, H., Shih, K., Wei, C., Su, H., & Dai, J.
Venue
Advanced Energy Materials
Publisher
Wiley
Published
2016-01-13
Volume
6
Issue
7
ISSN
  • 1614-6832 (ISSN-L)
  • 1614-6840
OpenAlex
W2233240471
Cited by
425
References
38
FWCI
23.48
Type
journal article
Language
en
Open access
closed

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review

How to cite

Cite CoChat for the checks on this page, and the paper for its own findings.

This page
CoChat. (2026). Citation check: Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance? https://app.cochat.ai/papers/10.1002/aenm.201502206
The paper
Liu, F., Dong, Q., Wong, M. K., Djurišić, A. B., Ng, A., Ren, Z., Shen, Q., Surya, C., Chan, W. K., Wang, J., Ng, A. M. C., Liao, C., Li, H., Shih, K., Wei, C., Su, H., & Dai, J. (2016). Is Excess PbI2 Beneficial for Perovskite Solar Cell Performance? Advanced Energy Materials. https://doi.org/10.1002/aenm.201502206

Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.