Unveiling Evolutionary Path of Nanogenerator Technology: A Novel Method Based on Sentence-BERT
Abstract
:1. Introduction
2. Literature Review
2.1. Development of Nanogenerators
2.2. Technology Evolutionary Path
2.3. Research on Multi-Source Data and Text Mining
3. Methods
3.1. Data
3.2. Theme Modeling Based on Sentence-BERT
3.3. Unveiling Evolutionary Path Based on Associated Timing Theme
3.4. Visualization of Multi-Dimensional Technology Evolutionary Path
4. Experimental Results and Discussion
4.1. Multi-Source Theme Identification and Association
4.2. Visualization and Analysis of Multi-Dimensional Technology Evolutionary Path
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Time Segment Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
---|---|---|---|---|---|---|---|
time segment | 2006~2010 | 2010~2012 | 2012~2014 | 2014~2016 | 2016~2018 | 2018~2020 | 2020~2022 |
Theme Number | Theme | High-Frequency Theme Phrases |
---|---|---|
0 | Testing instruments and equipment | triboelectric-nanogenerator-based, 54; light-emitting-diodes (LEDs), 33; powered sensor, 32; surface charge density, 32; electronic devices, 30. |
1 | Research on electrode materials and their preparation methods | friction electric nano generator, 41; nano generator preparation, 30; friction electrode, 29; friction material, 23; electrode layers, 22. |
2 | Applications such as drug delivery and cancer treatment | triboelectric nanogenerator, 56; drug delivery, 17; cancer therapy, 13; electrical stimulation, 12; drug release, 11. |
3 | Wearables and electronics | triboelectric nanogenerator teng, 105; wearable electronics, 68; wearable devices, 45; electronic devices, 44; powered sensors, 36. |
4 | Piezoelectric materials and flexible sensor properties | piezoelectric nano generator, 29; flexible nano generator, 17; high molecular polymer insulating, 16; molecular polymer insulating layer, 16; piezoelectric layer, 16. |
5 | Research on composite thin-film materials | triboelectric nanogenerator teng, 47; polyvinylidene fluoride pvdf, 34; composite film, 24; polydimethylsiloxane pdms, 22; nanocomposite films, 20. |
6 | ZnO nanorods and output properties | triboelectric nanogenerator, 57; zno nanorods, 44; output performance, 29; piezoelectric output, 27; zinc oxide zno, 25; electrical output, 22; |
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Liu, H.; Zhang, R.; Liu, Y.; He, C. Unveiling Evolutionary Path of Nanogenerator Technology: A Novel Method Based on Sentence-BERT. Nanomaterials 2022, 12, 2018. https://doi.org/10.3390/nano12122018
Liu H, Zhang R, Liu Y, He C. Unveiling Evolutionary Path of Nanogenerator Technology: A Novel Method Based on Sentence-BERT. Nanomaterials. 2022; 12(12):2018. https://doi.org/10.3390/nano12122018
Chicago/Turabian StyleLiu, Huailan, Rui Zhang, Yufei Liu, and Cunxiang He. 2022. "Unveiling Evolutionary Path of Nanogenerator Technology: A Novel Method Based on Sentence-BERT" Nanomaterials 12, no. 12: 2018. https://doi.org/10.3390/nano12122018