Journal profile · Agricultural and Biological Sciences-Aquatic Science
Droplet
ISSN 2769-2159 · eISSN 2731-4375 · Wiley · Australia
Droplet: CAS Zone 1 · Physics & Astronomy (2026 Xinrui edition); impact factor 9.1 (journal website); fully open access; APC about USD 3,000; median 105 days to acceptance (65 articles, last 24 months); acceptance rate 52% (journal website); 67 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Droplet is published by Wiley and is classed under Physics & Astronomy in the CAS Journal Ranking. By OpenAlex counts of its recent articles, its largest topics are Surface Modification and Superhydrophobicity, Fluid Dynamics and Heat Transfer and Innovative Microfluidic and Catalytic Techniques Innovation, together about 31.2% of its articles. Its main subfields are Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Droplet is a peer-reviewed international and cross-disciplinary open access journal to publish reviews, research papers, news and editorials that involve droplets, bubbles and related topics. The journal covers the design, synthesis, fabrication, characterization, manipulation, control, application and commercialization of structures, devices and systems that involve droplets and related objects from microscopic to macroscopic scales. Subject areas covered include, but are not limited to: Experimental, theoretical and computational fluid dynamics containing droplets and bubbles Fluid-structure interactions that involve droplets and bubbles Microfluidics and nanofluidics related to droplets and bubbles Biomimetic surfaces and interfaces involving droplets and bubbles Soft matter and active material involving droplets and bubbles Droplet-based 3D/4D printing Water-energy nexus that includes droplets and bubbles Droplets and bubbles in biological and bio-inspired systems Thermal processes that engage droplets and bubbles Novel applications of droplets and bubbles Development and commercialization of products based on droplets and bubbles Droplet aims to provide an excellent platform for the dissemination of the cutting-edge research results in the general area of droplet & bubble. All manuscripts are subject to critical, anonymous peer review. Indexing information Astrophysics Data System (Smithsonian Astrophysical Observatory) CAS: Chemical Abstracts Service (ACS) COMPENDEX (Elsevier) Directory of Open Access Journals (DOAJ) Emerging Sources Citation Index (Clarivate Analytics) SCOPUS (Elsevier) Web of Science (Clarivate Analytics)
From the journal's Aims & Scope
Research area (LetPub): Agricultural and Biological Sciences-Aquatic Science
Editor-in-chief Luquan RenPublisher website
Editorial board by country: 16 in mainland China (about 24%); most named United States 22, Mainland China 16, United Kingdom 6, South Korea 4, Germany 4 (68 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Surface Modification and SuperhydrophobicityMaterials Science15%
- Fluid Dynamics and Heat TransferEngineering8.6%
- Innovative Microfluidic and Catalytic Techniques InnovationEngineering7.7%
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance6.7%
- Electrohydrodynamics and Fluid DynamicsEngineering5.8%
- Nanomaterials and Printing TechnologiesEngineering5.6%
- Electrowetting and Microfluidic TechnologiesEngineering5.6%
- Earthquake and Disaster Impact StudiesSocial Sciences5.2%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Physics & Astronomy Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 1 |
| Minor | Physics, Applied | Zone 1 |
Top journal: yesReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
EI CompendexWeb of ScienceCASPublisher website
Other: Astrophysics Data System
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor (publisher)
- 9.1Publisher website ·
- Impact factor (publisher) 2025
- 9.1Publisher website ·
- CiteScore 2026-06
- 13.8LetPub ·
- CiteScore (publisher)
- 13.8Publisher website ·
- CiteScore (publisher) 2025
- 13.8Publisher website ·
- SJR 2026-06
- 2.14LetPub ·
- SNIP 2026-06
- 1.96LetPub ·
- h-index
- 28OpenAlex ·
- i10-index
- 75OpenAlex ·
- 2-year mean citedness
- 5.11OpenAlex ·
- Self-citation rate
- 5.5%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 39LetPub ·
- Articles per year (publisher) 2025
- 39Publisher website ·
- Downloads per year (publisher) 2025
- 100,865Publisher website ·
Articles by year OpenAlex count · 276 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 55 | 55 | 41 |
| 2025 | 67 | 67 | 242 |
| 2024 | 63 | 63 | 663 |
| 2023 | 54 | 54 | 702 |
| 2022 | 37 | 37 | 977 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
105 daysMedian, submission to acceptance · P25–P75 72 days – 138 days
- Acceptance to online
- median 70 days (65 articles)
- Submission to online
- median 184 days
- Sample
- 65 articles with submission and acceptance dates (121 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- about 10 weeksLetPub ·
- Acceptance rate (publisher)
- 52%Publisher website ·
- Acceptance rate (publisher) 2025
- 52%Publisher website ·
- Submission to first decision
- 25 daysPublisher website ·
- Submission to first decision 2025
- 25 daysPublisher website ·
- Submission to acceptance 2025
- 104 daysPublisher website ·
- Acceptance to publication 2025
- 48 daysPublisher website ·
- Submission to publication (journal-reported)
- about 10 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 3,000 / GBP 2,500 / EUR 2,880 | Yes | CC BY | |
| OpenAlex | USD 0 | — | — | |
| LetPub | USD 2,650 / GBP 1,949 / EUR 2,298 | Yes | — | |
| Publisher website | Yes, amount not published | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare4 items from the author guidelines
- Abstract
- ≤ 260 words
- Reference style
- AMA
- Templates
- Word
- Cover letter
- Required
Article types accepted5
- editorialThe acceptance criteria for all papers are the quality and originality of the research and its significance to our readership. Except where otherwise stated, ma…Length not stated
- editorials(3) Editorials [only invited by Editors]Length not stated
- news(4) NewsLength not stated
- research articles(1) Research ArticlesLength not stated
- reviews(2) ReviewsLength not stated
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Publication ethics, Peer review, Plagiarism
- Authorship Authorship
Please refer to the journal’s authorship policy in the Editorial Policies and Ethical Considerations section for details on eligibility for author listing.
Source ↗Publisher website ·- Conflicts of interest Conflict of Interest Statement
You will be asked to provide a conflict of interest statement during the submission process. See the section ‘Conflict of Interest’ in the Editorial Policies and Ethical Considerations section for details on what to include in this section. Please ensure you liaise with all co-authors to confirm agreement with the final statement.
Source ↗Publisher website ·- Publication ethics Publication Ethics
The journal is committed to high standards for professional conduct and ethical behavior in all published material. Note this journal uses iThenticate’s CrossCheck software to detect instances of overlapping and similar text in submitted manuscripts. Read our Top 10 Publishing Ethics Tips for Authors here. Wiley’s Publication Ethics Guidelines can be found at https://authorservices.wiley.com/ethic…
Source ↗Publisher website ·- Peer review Editorial Peer-review and Acceptance
Single-blind peer review Model summary
The acceptance criteria for all papers are the quality and originality of the research and its significance to our readership. Except where otherwise stated, manuscripts are single-blind peer reviewed. Papers will only be sent to review if the Editor-in-Chief determines that the paper meets the appropriate quality and relevance requirements.
Source ↗Publisher website ·- Plagiarism
iThenticate CrossCheck Model summary
Note this journal uses iThenticate’s CrossCheck software to detect instances of overlapping and similar text in submitted manuscripts.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Wiley
- Country or region
- Australia
- Language
- English
- ISSN
- 2769-2159
- Electronic ISSN
- 2731-4375
- Latest issue on the website
- Volume 5, Issue 3 (July 2026)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Droplet
What CAS zone is Droplet in?
In the 2026 Xinrui edition it is in Zone 1 of Physics & Astronomy. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Droplet?
The journal's website gives an impact factor of 9.1 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 13.8, h-index 28.
How long does peer review take at Droplet?
Based on the dates recorded on 65 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 105 days (interquartile range 72–138 days); authors report an average review time of about 10 weeks; the journal's website gives an acceptance rate of 52% (2025). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of Droplet?
According to the journal's author guidelines: Abstract: ≤ 260 words; Reference style: AMA; Templates: Word; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Droplet based?
Of the 68 board members whose country the journal's board page names, 16 (about 24%) are in mainland China; the countries named most often are United States (22), Mainland China (16) and United Kingdom (6). Counted from the institutions listed on the board page; for reference only.
Which databases index Droplet?
According to LetPub and DOAJ records, Droplet is indexed in ESCI, Scopus and DOAJ. The journal's website also lists EI Compendex, Web of Science and CAS; that list has not been checked against each database.
Is Droplet open access, and what is the APC?
Droplet is a fully open-access journal. APC about USD 3,000.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .