Journal of Nanoparticle Research

The objective of the Journal of Nanoparticle Research is to disseminate knowledge of the physical, chemical and biological phenomena and processes in structures that have at least one lengthscale ranging from molecular to approximately 100 nm (or submicron in some situations), and exhibit improved and novel properties that are a direct result of their small size. Nanoparticle research is a key component of nanoscience, nanoengineering and nanotechnology. The focus of the Journal is on the specific concepts, properties, phenomena, and processes related to particles, tubes, layers, macromolecules, clusters and other finite structures of the nanoscale size range. Synthesis, assembly, transport, reactivity, and stability of such structures are considered. Development of in-situ and ex-situ instrumentation for characterization of nanoparticles and their interfaces should be based on new principles for probing properties and phenomena not well understood at the nanometer scale. Modeling and simulation may include atom-based quantum mechanics; molecular dynamics; single-particle, multi-body and continuum based models; fractals; other methods suitable for modeling particle synthesis, assembling and interaction processes. Realization and application of systems, structures and devices with novel functions obtained via precursor nanoparticles is emphasized. Approaches may include gas-, liquid-, solid-, and vacuum-based processes, size reduction, chemical- and bio-self assembly. Contributions include utilization of nanoparticle systems for enhancing a phenomenon or process and particle assembling into hierarchical structures, as well as formulation and the administration of drugs. Synergistic approaches originating from different disciplines and technologies, and interaction between the research providers and users in this field, are encouraged.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Atomic and Molecular Physics, and Optics	2000	Q3
Atomic and Molecular Physics, and Optics	2001	Q2
Atomic and Molecular Physics, and Optics	2002	Q2
Atomic and Molecular Physics, and Optics	2003	Q2
Atomic and Molecular Physics, and Optics	2004	Q2
Atomic and Molecular Physics, and Optics	2005	Q2
Atomic and Molecular Physics, and Optics	2006	Q2
Atomic and Molecular Physics, and Optics	2007	Q2
Atomic and Molecular Physics, and Optics	2008	Q1
Atomic and Molecular Physics, and Optics	2009	Q1
Atomic and Molecular Physics, and Optics	2010	Q1
Atomic and Molecular Physics, and Optics	2011	Q1
Atomic and Molecular Physics, and Optics	2012	Q1
Atomic and Molecular Physics, and Optics	2013	Q2
Atomic and Molecular Physics, and Optics	2014	Q2
Atomic and Molecular Physics, and Optics	2015	Q2
Atomic and Molecular Physics, and Optics	2016	Q2
Atomic and Molecular Physics, and Optics	2017	Q2
Atomic and Molecular Physics, and Optics	2018	Q2
Atomic and Molecular Physics, and Optics	2019	Q2
Atomic and Molecular Physics, and Optics	2020	Q3
Atomic and Molecular Physics, and Optics	2021	Q3
Atomic and Molecular Physics, and Optics	2022	Q3
Atomic and Molecular Physics, and Optics	2023	Q3
Bioengineering	2000	Q3
Bioengineering	2001	Q2
Bioengineering	2002	Q2
Bioengineering	2003	Q2
Bioengineering	2004	Q2
Bioengineering	2005	Q2
Bioengineering	2006	Q2
Bioengineering	2007	Q2
Bioengineering	2008	Q2
Bioengineering	2009	Q2
Bioengineering	2010	Q2
Bioengineering	2011	Q2
Bioengineering	2012	Q2
Bioengineering	2013	Q2
Bioengineering	2014	Q2
Bioengineering	2015	Q2
Bioengineering	2016	Q2
Bioengineering	2017	Q2
Bioengineering	2018	Q3
Bioengineering	2019	Q3
Bioengineering	2020	Q3
Bioengineering	2021	Q3
Bioengineering	2022	Q3
Bioengineering	2023	Q3
Chemistry (miscellaneous)	2000	Q3
Chemistry (miscellaneous)	2001	Q2
Chemistry (miscellaneous)	2002	Q2
Chemistry (miscellaneous)	2003	Q2
Chemistry (miscellaneous)	2004	Q1
Chemistry (miscellaneous)	2005	Q1
Chemistry (miscellaneous)	2006	Q1
Chemistry (miscellaneous)	2007	Q1
Chemistry (miscellaneous)	2008	Q1
Chemistry (miscellaneous)	2009	Q1
Chemistry (miscellaneous)	2010	Q1
Chemistry (miscellaneous)	2011	Q1
Chemistry (miscellaneous)	2012	Q1
Chemistry (miscellaneous)	2013	Q1
Chemistry (miscellaneous)	2014	Q2
Chemistry (miscellaneous)	2015	Q2
Chemistry (miscellaneous)	2016	Q2
Chemistry (miscellaneous)	2017	Q2
Chemistry (miscellaneous)	2018	Q2
Chemistry (miscellaneous)	2019	Q2
Chemistry (miscellaneous)	2020	Q2
Chemistry (miscellaneous)	2021	Q2
Chemistry (miscellaneous)	2022	Q2
Chemistry (miscellaneous)	2023	Q2
Condensed Matter Physics	2000	Q3
Condensed Matter Physics	2001	Q2
Condensed Matter Physics	2002	Q2
Condensed Matter Physics	2003	Q2
Condensed Matter Physics	2004	Q2
Condensed Matter Physics	2005	Q2
Condensed Matter Physics	2006	Q2
Condensed Matter Physics	2007	Q2
Condensed Matter Physics	2008	Q2
Condensed Matter Physics	2009	Q2
Condensed Matter Physics	2010	Q2
Condensed Matter Physics	2011	Q1
Condensed Matter Physics	2012	Q2
Condensed Matter Physics	2013	Q2
Condensed Matter Physics	2014	Q2
Condensed Matter Physics	2015	Q2
Condensed Matter Physics	2016	Q2
Condensed Matter Physics	2017	Q2
Condensed Matter Physics	2018	Q2
Condensed Matter Physics	2019	Q2
Condensed Matter Physics	2020	Q3
Condensed Matter Physics	2021	Q3
Condensed Matter Physics	2022	Q3
Condensed Matter Physics	2023	Q2
Materials Science (miscellaneous)	2000	Q2
Materials Science (miscellaneous)	2001	Q2
Materials Science (miscellaneous)	2002	Q1
Materials Science (miscellaneous)	2003	Q2
Materials Science (miscellaneous)	2004	Q1
Materials Science (miscellaneous)	2005	Q1
Materials Science (miscellaneous)	2006	Q1
Materials Science (miscellaneous)	2007	Q1
Materials Science (miscellaneous)	2008	Q1
Materials Science (miscellaneous)	2009	Q1
Materials Science (miscellaneous)	2010	Q1
Materials Science (miscellaneous)	2011	Q1
Materials Science (miscellaneous)	2012	Q1
Materials Science (miscellaneous)	2013	Q1
Materials Science (miscellaneous)	2014	Q2
Materials Science (miscellaneous)	2015	Q2
Materials Science (miscellaneous)	2016	Q2
Materials Science (miscellaneous)	2017	Q2
Materials Science (miscellaneous)	2018	Q2
Materials Science (miscellaneous)	2019	Q2
Materials Science (miscellaneous)	2020	Q2
Materials Science (miscellaneous)	2021	Q2
Materials Science (miscellaneous)	2022	Q3
Materials Science (miscellaneous)	2023	Q2
Modeling and Simulation	2000	Q3
Modeling and Simulation	2001	Q2
Modeling and Simulation	2002	Q2
Modeling and Simulation	2003	Q2
Modeling and Simulation	2004	Q1
Modeling and Simulation	2005	Q2
Modeling and Simulation	2006	Q1
Modeling and Simulation	2007	Q1
Modeling and Simulation	2008	Q1
Modeling and Simulation	2009	Q1
Modeling and Simulation	2010	Q1
Modeling and Simulation	2011	Q1
Modeling and Simulation	2012	Q1
Modeling and Simulation	2013	Q2
Modeling and Simulation	2014	Q2
Modeling and Simulation	2015	Q2
Modeling and Simulation	2016	Q2
Modeling and Simulation	2017	Q2
Modeling and Simulation	2018	Q2
Modeling and Simulation	2019	Q2
Modeling and Simulation	2020	Q2
Modeling and Simulation	2021	Q3
Modeling and Simulation	2022	Q3
Modeling and Simulation	2023	Q3
Nanoscience and Nanotechnology	2000	Q4
Nanoscience and Nanotechnology	2001	Q3
Nanoscience and Nanotechnology	2002	Q3
Nanoscience and Nanotechnology	2003	Q3
Nanoscience and Nanotechnology	2004	Q3
Nanoscience and Nanotechnology	2005	Q3
Nanoscience and Nanotechnology	2006	Q2
Nanoscience and Nanotechnology	2007	Q2
Nanoscience and Nanotechnology	2008	Q2
Nanoscience and Nanotechnology	2009	Q2
Nanoscience and Nanotechnology	2010	Q2
Nanoscience and Nanotechnology	2011	Q2
Nanoscience and Nanotechnology	2012	Q2
Nanoscience and Nanotechnology	2013	Q2
Nanoscience and Nanotechnology	2014	Q2
Nanoscience and Nanotechnology	2015	Q2
Nanoscience and Nanotechnology	2016	Q2
Nanoscience and Nanotechnology	2017	Q2
Nanoscience and Nanotechnology	2018	Q2
Nanoscience and Nanotechnology	2019	Q3
Nanoscience and Nanotechnology	2020	Q3
Nanoscience and Nanotechnology	2021	Q3
Nanoscience and Nanotechnology	2022	Q3
Nanoscience and Nanotechnology	2023	Q3

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
2000	0.304
2001	0.522
2002	0.692
2003	0.580
2004	0.811
2005	0.813
2006	0.869
2007	0.882
2008	0.991
2009	0.979
2010	0.974
2011	1.092
2012	0.855
2013	0.753
2014	0.672
2015	0.568
2016	0.496
2017	0.528
2018	0.479
2019	0.512
2020	0.453
2021	0.417
2022	0.402
2023	0.416

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	50
2000	43
2001	57
2002	64
2003	60
2004	66
2005	61
2006	106
2007	130
2008	184
2009	210
2010	304
2011	687
2012	662
2013	820
2014	651
2015	490
2016	383
2017	404
2018	334
2019	273
2020	377
2021	265
2022	225
2023	255

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	0.000
Cites / Doc. (4 years)	2000	0.540
Cites / Doc. (4 years)	2001	1.022
Cites / Doc. (4 years)	2002	1.460
Cites / Doc. (4 years)	2003	1.388
Cites / Doc. (4 years)	2004	1.821
Cites / Doc. (4 years)	2005	2.231
Cites / Doc. (4 years)	2006	2.873
Cites / Doc. (4 years)	2007	3.137
Cites / Doc. (4 years)	2008	3.050
Cites / Doc. (4 years)	2009	3.235
Cites / Doc. (4 years)	2010	3.487
Cites / Doc. (4 years)	2011	3.943
Cites / Doc. (4 years)	2012	3.086
Cites / Doc. (4 years)	2013	3.014
Cites / Doc. (4 years)	2014	2.768
Cites / Doc. (4 years)	2015	2.409
Cites / Doc. (4 years)	2016	2.191
Cites / Doc. (4 years)	2017	2.245
Cites / Doc. (4 years)	2018	2.093
Cites / Doc. (4 years)	2019	2.297
Cites / Doc. (4 years)	2020	2.245
Cites / Doc. (4 years)	2021	2.255
Cites / Doc. (4 years)	2022	2.382
Cites / Doc. (4 years)	2023	2.426
Cites / Doc. (3 years)	1999	0.000
Cites / Doc. (3 years)	2000	0.540
Cites / Doc. (3 years)	2001	1.022
Cites / Doc. (3 years)	2002	1.460
Cites / Doc. (3 years)	2003	1.341
Cites / Doc. (3 years)	2004	1.878
Cites / Doc. (3 years)	2005	2.205
Cites / Doc. (3 years)	2006	2.727
Cites / Doc. (3 years)	2007	2.734
Cites / Doc. (3 years)	2008	3.010
Cites / Doc. (3 years)	2009	2.814
Cites / Doc. (3 years)	2010	3.405
Cites / Doc. (3 years)	2011	3.923
Cites / Doc. (3 years)	2012	2.877
Cites / Doc. (3 years)	2013	2.743
Cites / Doc. (3 years)	2014	2.510
Cites / Doc. (3 years)	2015	2.275
Cites / Doc. (3 years)	2016	2.022
Cites / Doc. (3 years)	2017	2.140
Cites / Doc. (3 years)	2018	2.071
Cites / Doc. (3 years)	2019	2.282
Cites / Doc. (3 years)	2020	2.158
Cites / Doc. (3 years)	2021	2.315
Cites / Doc. (3 years)	2022	2.419
Cites / Doc. (3 years)	2023	2.446
Cites / Doc. (2 years)	1999	0.000
Cites / Doc. (2 years)	2000	0.540
Cites / Doc. (2 years)	2001	1.022
Cites / Doc. (2 years)	2002	1.250
Cites / Doc. (2 years)	2003	1.347
Cites / Doc. (2 years)	2004	1.863
Cites / Doc. (2 years)	2005	2.071
Cites / Doc. (2 years)	2006	2.591
Cites / Doc. (2 years)	2007	2.737
Cites / Doc. (2 years)	2008	2.339
Cites / Doc. (2 years)	2009	2.621
Cites / Doc. (2 years)	2010	3.345
Cites / Doc. (2 years)	2011	3.603
Cites / Doc. (2 years)	2012	2.463
Cites / Doc. (2 years)	2013	2.381
Cites / Doc. (2 years)	2014	2.300
Cites / Doc. (2 years)	2015	2.049
Cites / Doc. (2 years)	2016	1.840
Cites / Doc. (2 years)	2017	2.080
Cites / Doc. (2 years)	2018	2.043
Cites / Doc. (2 years)	2019	2.167
Cites / Doc. (2 years)	2020	2.089
Cites / Doc. (2 years)	2021	2.232
Cites / Doc. (2 years)	2022	2.449
Cites / Doc. (2 years)	2023	2.098

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	0
Self Cites	2000	4
Self Cites	2001	5
Self Cites	2002	15
Self Cites	2003	12
Self Cites	2004	19
Self Cites	2005	26
Self Cites	2006	33
Self Cites	2007	36
Self Cites	2008	54
Self Cites	2009	80
Self Cites	2010	106
Self Cites	2011	238
Self Cites	2012	368
Self Cites	2013	488
Self Cites	2014	374
Self Cites	2015	315
Self Cites	2016	185
Self Cites	2017	175
Self Cites	2018	94
Self Cites	2019	110
Self Cites	2020	85
Self Cites	2021	108
Self Cites	2022	75
Self Cites	2023	79
Total Cites	1999	0
Total Cites	2000	27
Total Cites	2001	95
Total Cites	2002	219
Total Cites	2003	220
Total Cites	2004	340
Total Cites	2005	419
Total Cites	2006	510
Total Cites	2007	637
Total Cites	2008	894
Total Cites	2009	1182
Total Cites	2010	1784
Total Cites	2011	2738
Total Cites	2012	3455
Total Cites	2013	4535
Total Cites	2014	5445
Total Cites	2015	4852
Total Cites	2016	3965
Total Cites	2017	3261
Total Cites	2018	2645
Total Cites	2019	2558
Total Cites	2020	2182
Total Cites	2021	2278
Total Cites	2022	2213
Total Cites	2023	2121

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	0
External Cites per document	2000	0.460
External Cites per document	2001	0.968
External Cites per document	2002	1.360
External Cites per document	2003	1.268
External Cites per document	2004	1.773
External Cites per document	2005	2.068
External Cites per document	2006	2.551
External Cites per document	2007	2.579
External Cites per document	2008	2.828
External Cites per document	2009	2.624
External Cites per document	2010	3.202
External Cites per document	2011	3.582
External Cites per document	2012	2.570
External Cites per document	2013	2.448
External Cites per document	2014	2.338
External Cites per document	2015	2.127
External Cites per document	2016	1.928
External Cites per document	2017	2.025
External Cites per document	2018	1.998
External Cites per document	2019	2.184
External Cites per document	2020	2.074
External Cites per document	2021	2.205
External Cites per document	2022	2.337
External Cites per document	2023	2.355
Cites per document	1999	0.000
Cites per document	2000	0.540
Cites per document	2001	1.022
Cites per document	2002	1.460
Cites per document	2003	1.341
Cites per document	2004	1.878
Cites per document	2005	2.205
Cites per document	2006	2.727
Cites per document	2007	2.734
Cites per document	2008	3.010
Cites per document	2009	2.814
Cites per document	2010	3.405
Cites per document	2011	3.923
Cites per document	2012	2.877
Cites per document	2013	2.743
Cites per document	2014	2.510
Cites per document	2015	2.275
Cites per document	2016	2.022
Cites per document	2017	2.140
Cites per document	2018	2.071
Cites per document	2019	2.282
Cites per document	2020	2.158
Cites per document	2021	2.315
Cites per document	2022	2.419
Cites per document	2023	2.446

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	16.00
2000	18.60
2001	15.79
2002	17.19
2003	20.00
2004	10.61
2005	13.11
2006	15.09
2007	13.85
2008	15.76
2009	20.48
2010	18.09
2011	19.65
2012	23.56
2013	26.22
2014	24.42
2015	21.84
2016	28.20
2017	20.79
2018	19.46
2019	21.61
2020	24.67
2021	17.36
2022	16.00
2023	15.69

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	1
Non-citable documents	2005	2
Non-citable documents	2006	4
Non-citable documents	2007	4
Non-citable documents	2008	3
Non-citable documents	2009	8
Non-citable documents	2010	8
Non-citable documents	2011	9
Non-citable documents	2012	5
Non-citable documents	2013	4
Non-citable documents	2014	3
Non-citable documents	2015	1
Non-citable documents	2016	2
Non-citable documents	2017	5
Non-citable documents	2018	4
Non-citable documents	2019	3
Non-citable documents	2020	0
Non-citable documents	2021	3
Non-citable documents	2022	3
Non-citable documents	2023	3
Citable documents	1999	0
Citable documents	2000	50
Citable documents	2001	93
Citable documents	2002	150
Citable documents	2003	164
Citable documents	2004	180
Citable documents	2005	188
Citable documents	2006	183
Citable documents	2007	229
Citable documents	2008	294
Citable documents	2009	412
Citable documents	2010	516
Citable documents	2011	689
Citable documents	2012	1196
Citable documents	2013	1649
Citable documents	2014	2166
Citable documents	2015	2132
Citable documents	2016	1959
Citable documents	2017	1519
Citable documents	2018	1273
Citable documents	2019	1118
Citable documents	2020	1011
Citable documents	2021	981
Citable documents	2022	912
Citable documents	2023	864

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	0
Uncited documents	2000	32
Uncited documents	2001	46
Uncited documents	2002	66
Uncited documents	2003	65
Uncited documents	2004	64
Uncited documents	2005	61
Uncited documents	2006	51
Uncited documents	2007	67
Uncited documents	2008	72
Uncited documents	2009	103
Uncited documents	2010	118
Uncited documents	2011	126
Uncited documents	2012	268
Uncited documents	2013	375
Uncited documents	2014	517
Uncited documents	2015	564
Uncited documents	2016	560
Uncited documents	2017	381
Uncited documents	2018	358
Uncited documents	2019	282
Uncited documents	2020	274
Uncited documents	2021	245
Uncited documents	2022	212
Uncited documents	2023	210
Cited documents	1999	0
Cited documents	2000	18
Cited documents	2001	47
Cited documents	2002	84
Cited documents	2003	99
Cited documents	2004	117
Cited documents	2005	129
Cited documents	2006	136
Cited documents	2007	166
Cited documents	2008	225
Cited documents	2009	317
Cited documents	2010	406
Cited documents	2011	572
Cited documents	2012	933
Cited documents	2013	1278
Cited documents	2014	1652
Cited documents	2015	1569
Cited documents	2016	1401
Cited documents	2017	1143
Cited documents	2018	919
Cited documents	2019	839
Cited documents	2020	737
Cited documents	2021	739
Cited documents	2022	703
Cited documents	2023	657