[1] M. Burhan, R. A. Rehman, B. Khan, and B.-S. Kim, "IoT Elements, Layered Architectures and Security Issues: A Comprehensive Survey," Sensors, vol. 18, no. 9, p. 2796, 2018.
[2] S. Chen, H. Xu, D. Liu, B. Hu, and H. Wang, "A Vision of IoT: Applications, Challenges, and Opportunities With China Perspective," IEEE Internet of Things Journal, vol. 1, no. 4, pp. 349-359, 2014.
[3] T. G. Stavropoulos, A. Papastergiou, L. Mpaltadoros, S. Nikolopoulos, and I. Kompatsiaris, "IoT Wearable Sensors and Devices in Elderly Care: A Literature Review," Sensors, vol. 20, no. 10, p. 2826, 2020.
[4] W.-G. Kim, D.-W. Kim, I.-W. Tcho, J.-K. Kim, M.-S. Kim, and Y.-K. Choi, "Triboelectric Nanogenerator: Structure, Mechanism, and Applications," ACS Nano, vol. 15, no. 1, pp. 258-287, 2021/01/26 2021.
[5] Z. L. Wang, "On Maxwell's displacement current for energy and sensors: the origin of nanogenerators," Materials Today, vol. 20, no. 2, pp. 74-82, 2017/03/01/ 2017.
[6] Q. Shi, T. He, and C. Lee, "More than energy harvesting – Combining triboelectric nanogenerator and flexible electronics technology for enabling novel micro-/nano-systems," Nano Energy, vol. 57, pp. 851-871, 2019/03/01/ 2019.
[7] C. Wu, A. C. Wang, W. Ding, H. Guo, and Z. L. Wang, "Triboelectric Nanogenerator: A Foundation of the Energy for the New Era," Advanced Energy Materials, vol. 9, no. 1, p. 1802906, 2019/01/01 2019.
[8] C. Han, C. Zhang, W. Tang, X. Li, and Z. L. Wang, "High power triboelectric nanogenerator based on printed circuit board (PCB) technology," Nano Research, vol. 8, no. 3, pp. 722-730, 2015/03/01 2015.
[9] H. Wang, M. Han, Y. Song, and H. Zhang, "Design, manufacturing and applications of wearable triboelectric nanogenerators," Nano Energy, vol. 81, p. 105627, 2021/03/01/ 2021.
[10] Y. Zhou, W. Deng, J. Xu, and J. Chen, "Engineering Materials at the Nanoscale for Triboelectric Nanogenerators," Cell Reports Physical Science, vol. 1, no. 8, p. 100142, 2020/08/26/ 2020.
[11] J. Chen and Z. L. Wang, "Reviving Vibration Energy Harvesting and Self-Powered Sensing by a Triboelectric Nanogenerator," Joule, vol. 1, no. 3, pp. 480-521, 2017/11/15/ 2017.
[12] J.-R. Yang, C.-J. Lee, and C.-Y. Chang, "An electrostatically self-assembled fluorinated molecule as a surface modification layer for a high-performance and stable triboelectric nanogenerator," Journal of Materials Chemistry A, 10.1039/D0TA11596G vol. 9, no. 7, pp. 4230-4239, 2021.
[13] F.-R. Fan, Z.-Q. Tian, and Z. Lin Wang, "Flexible triboelectric generator," Nano Energy, vol. 1, no. 2, pp. 328-334, 2012/03/01/ 2012.
[14] J. Luo and Z. L. Wang, "Recent progress of triboelectric nanogenerators: From fundamental theory to practical applications," EcoMat, vol. 2, no. 4, p. e12059, 2020/12/01 2020.
[15] Z. L. Wang, "Triboelectric nanogenerators as new energy technology and self-powered sensors – Principles, problems and perspectives," Faraday Discussions, 10.1039/C4FD00159A vol. 176, no. 0, pp. 447-458, 2014.
[16] F. Yi et al., "A highly shape-adaptive, stretchable design based on conductive liquid for energy harvesting and self-powered biomechanical monitoring," Science Advances, vol. 2, no. 6, p. e1501624, 2016.
[17] H. Ouyang et al., "Symbiotic cardiac pacemaker," Nature Communications, vol. 10, no. 1, p. 1821, 2019/04/23 2019.
[18] X. Pu et al., "Ultrastretchable, transparent triboelectric nanogenerator as electronic skin for biomechanical energy harvesting and tactile sensing," Science Advances, vol. 3, no. 5, p. e1700015, 2017.
[19] H. Ouyang et al., "Self-Powered Pulse Sensor for Antidiastole of Cardiovascular Disease," Advanced Materials, vol. 29, no. 40, p. 1703456, 2017/10/01 2017.
[20] Z.-H. Lin et al., "A Self-Powered Triboelectric Nanosensor for Mercury Ion Detection," Angewandte Chemie International Edition, vol. 52, no. 19, pp. 5065-5069, 2013/05/03 2013.
[21] S. Wang et al., "Ultrasensitive flexible self-powered ammonia sensor based on triboelectric nanogenerator at room temperature," Nano Energy, vol. 51, pp. 231-240, 2018/09/01/ 2018.
[22] J. Qian and X. Jing, "Wind-driven hybridized triboelectric-electromagnetic nanogenerator and solar cell as a sustainable power unit for self-powered natural disaster monitoring sensor networks," Nano Energy, vol. 52, pp. 78-87, 2018/10/01/ 2018.
[23] H. Guo et al., "A highly sensitive, self-powered triboelectric auditory sensor for social robotics and hearing aids," Science Robotics, vol. 3, no. 20, p. eaat2516, 2018.
[24] C.-H. Chen, P.-W. Lee, Y.-H. Tsao, and Z.-H. Lin, "Utilization of self-powered electrochemical systems: Metallic nanoparticle synthesis and lactate detection," Nano Energy, vol. 42, pp. 241-248, 2017/12/01/ 2017.
[25] H. Zhang, Y. Yang, T.-C. Hou, Y. Su, C. Hu, and Z. L. Wang, "Triboelectric nanogenerator built inside clothes for self-powered glucose biosensors," Nano Energy, vol. 2, no. 5, pp. 1019-1024, 2013/09/01/ 2013.
[26] Z. Wen et al., "A Wrinkled PEDOT:PSS Film Based Stretchable and Transparent Triboelectric Nanogenerator for Wearable Energy Harvesters and Active Motion Sensors," Advanced Functional Materials, vol. 28, no. 37, p. 1803684, 2018/09/01 2018.
[27] H. Chen, Y. Xu, J. Zhang, W. Wu, and G. Song, "Enhanced stretchable graphene-based triboelectric nanogenerator via control of surface nanostructure," Nano Energy, vol. 58, pp. 304-311, 2019.
[28] G. Zhao et al., "Transparent and stretchable triboelectric nanogenerator for self-powered tactile sensing," Nano Energy, vol. 59, pp. 302-310, 2019/05/01/ 2019.
[29] S. Kim et al., "Transparent Flexible Graphene Triboelectric Nanogenerators," Advanced Materials, vol. 26, no. 23, pp. 3918-3925, 2014/06/01 2014.
[30] J. Yang et al., "Surface Engineering of Graphene Composite Transparent Electrodes for High-Performance Flexible Triboelectric Nanogenerators and Self-Powered Sensors," ACS Applied Materials & Interfaces, vol. 9, no. 41, pp. 36017-36025, 2017/10/18 2017.
[31] K. Dong et al., "A Stretchable Yarn Embedded Triboelectric Nanogenerator as Electronic Skin for Biomechanical Energy Harvesting and Multifunctional Pressure Sensing," Advanced Materials, vol. 30, no. 43, p. 1804944, 2018/10/01 2018.
[32] J. Sun et al., "Self-healable, stretchable, transparent triboelectric nanogenerators as soft power sources," ACS Nano, vol. 12, no. 6, pp. 6147-6155, 2018.
[33] K. S. Novoselov et al., "Electric Field Effect in Atomically Thin Carbon Films," Science, vol. 306, no. 5696, p. 666, 2004.
[34] S. Niu and Z. L. Wang, "Theoretical systems of triboelectric nanogenerators," Nano Energy, vol. 14, pp. 161-192, 2015/05/01/ 2015.
[35] S. Kim, J. Ha, and J.-B. Kim, "The effect of dielectric constant and work function on triboelectric nanogenerators: Analytical and numerical study," Integrated Ferroelectrics, vol. 176, no. 1, pp. 251-256, 2016/11/21 2016.
[36] J. Chen et al., "Enhancing Performance of Triboelectric Nanogenerator by Filling High Dielectric Nanoparticles into Sponge PDMS Film," ACS Applied Materials & Interfaces, vol. 8, no. 1, pp. 736-744, 2016/01/13 2016.
[37] F.-R. Fan, L. Lin, G. Zhu, W. Wu, R. Zhang, and Z. L. Wang, "Transparent Triboelectric Nanogenerators and Self-Powered Pressure Sensors Based on Micropatterned Plastic Films," Nano Letters, vol. 12, no. 6, pp. 3109-3114, 2012/06/13 2012.
[38] G. Song et al., "Molecularly Engineered Surface Triboelectric Nanogenerator by Self-Assembled Monolayers (METS)," Chemistry of Materials, vol. 27, no. 13, pp. 4749-4755, 2015/07/14 2015.
[39] K.-E. Byun et al., "Control of Triboelectrification by Engineering Surface Dipole and Surface Electronic State," ACS Applied Materials & Interfaces, vol. 8, no. 28, pp. 18519-18525, 2016/07/20 2016.
[40] S.-H. Shin et al., "Formation of Triboelectric Series via Atomic-Level Surface Functionalization for Triboelectric Energy Harvesting," ACS Nano, vol. 11, no. 6, pp. 6131-6138, 2017/06/27 2017.
[41] C.-C. Wang and C.-Y. Chang, "Enhanced output performance and stability of triboelectric nanogenerators by employing silane-based self-assembled monolayers," Journal of Materials Chemistry C, 10.1039/D0TC00041H vol. 8, no. 13, pp. 4542-4548, 2020.
[42] Y.-H. Cheng, C.-J. Lee, and C.-Y. Chang, "Achieving High Power Density and Long-Term Stable Flexible Triboelectric Nanogenerators through Surface Functionalization of High Work-Function Electrode with Cationic Thiol-Based Self-Assembled Monolayer," Advanced Materials Technologies, vol. 6, no. 3, p. 2000985, 2021/03/01 2021.
[43] B. K. Yun et al., "Base-treated polydimethylsiloxane surfaces as enhanced triboelectric nanogenerators," Nano Energy, vol. 15, pp. 523-529, 2015/07/01/ 2015.
[44] S. Wang et al., "Maximum Surface Charge Density for Triboelectric Nanogenerators Achieved by Ionized-Air Injection: Methodology and Theoretical Understanding," Advanced Materials, vol. 26, no. 39, pp. 6720-6728, 2014/10/01 2014.
[45] S. Li et al., "Manipulating the triboelectric surface charge density of polymers by low-energy helium ion irradiation/implantation," Energy & Environmental Science, 10.1039/C9EE03307F vol. 13, no. 3, pp. 896-907, 2020.
[46] J. B. Schlenoff, "Zwitteration: coating surfaces with zwitterionic functionality to reduce nonspecific adsorption," (in eng), Langmuir : the ACS journal of surfaces and colloids, vol. 30, no. 32, pp. 9625-9636, 2014.
[47] S. Chen, L. Li, C. Zhao, and J. Zheng, "Surface hydration: Principles and applications toward low-fouling/nonfouling biomaterials," Polymer, vol. 51, no. 23, pp. 5283-5293, 2010/10/29/ 2010.
[48] Z. Liu et al., "Poly(ionic liquid) hydrogel-based anti-freezing ionic skin for a soft robotic gripper," Materials Horizons, 10.1039/C9MH01688K vol. 7, no. 3, pp. 919-927, 2020.
[49] L. Sun et al., "Ionogel-based, highly stretchable, transparent, durable triboelectric nanogenerators for energy harvesting and motion sensing over a wide temperature range," Nano Energy, vol. 63, p. 103847, 2019/09/01/ 2019.
[50] D. Cai, A. Neyer, R. Kuckuk, and H. M. Heise, "Raman, mid-infrared, near-infrared and ultraviolet–visible spectroscopy of PDMS silicone rubber for characterization of polymer optical waveguide materials," Journal of Molecular Structure, vol. 976, no. 1, pp. 274-281, 2010/07/15/ 2010.
[51] S. Bilgin, M. Isik, E. Yilgor, and I. Yilgor, "Hydrophilization of silicone–urea copolymer surfaces by UV/ozone: Influence of PDMS molecular weight on surface oxidation and hydrophobic recovery," Polymer, vol. 54, no. 25, pp. 6665-6675, 2013/11/27/ 2013.
[52] Y. Fan, N. Migliore, P. Raffa, R. K. Bose, and F. Picchioni, "Synthesis of Zwitterionic Copolymers via Copper-Mediated Aqueous Living Radical Grafting Polymerization on Starch," Polymers, vol. 11, no. 2, 2019.
[53] Y. Dimitriev, V. Dimitrov, M. Arnaudov, and D. Topalov, "IR-spectral study of vanadate vitreous systems," Journal of Non-Crystalline Solids, vol. 57, no. 1, pp. 147-156, 1983/08/01/ 1983.
[54] T. Haldar and S. Bagchi, "Electrostatic Interactions Are Key to C═O n-π* Shifts: An Experimental Proof," The Journal of Physical Chemistry Letters, vol. 7, no. 12, pp. 2270-2275, 2016/06/16 2016.
[55] X. Fan et al., "PEDOT:PSS for Flexible and Stretchable Electronics: Modifications, Strategies, and Applications," Advanced Science, vol. 6, no. 19, p. 1900813, 2019/10/01 2019.
[56] R. M. Vedovatte, M. C. Saccardo, E. L. Costa, and C. E. Cava, "PEDOT:PSS post-treated by DMSO using spin coating, roll-to-roll and immersion: a comparative study," Journal of Materials Science: Materials in Electronics, vol. 31, no. 1, pp. 317-323, 2020/01/01 2020.
[57] A. Šutka, M. Timusk, J. Metsik, J. Ruža, M. Knite, and U. Mäeorg, "PEDOT electrodes for triboelectric generator devices," Organic Electronics, vol. 51, pp. 446-451, 2017/12/01/ 2017.
[58] J. Shi et al., "A liquid PEDOT:PSS electrode-based stretchable triboelectric nanogenerator for a portable self-charging power source," Nanoscale, 10.1039/C9NR01271K vol. 11, no. 15, pp. 7513-7519, 2019.
[59] I. Lee, G. W. Kim, M. Yang, and T.-S. Kim, "Simultaneously Enhancing the Cohesion and Electrical Conductivity of PEDOT:PSS Conductive Polymer Films using DMSO Additives," ACS Applied Materials & Interfaces, vol. 8, no. 1, pp. 302-310, 2016/01/13 2016.
[60] S.-I. Na et al., "Evolution of nanomorphology and anisotropic conductivity in solvent-modified PEDOT:PSS films for polymeric anodes of polymer solar cells," Journal of Materials Chemistry, 10.1039/B915756E vol. 19, no. 47, pp. 9045-9053, 2009.
[61] T.-R. Chou, S.-H. Chen, Y.-T. Chiang, Y.-T. Lin, and C.-Y. Chao, "Highly conductive PEDOT:PSS films by post-treatment with dimethyl sulfoxide for ITO-free liquid crystal display," Journal of Materials Chemistry C, 10.1039/C5TC00276A vol. 3, no. 15, pp. 3760-3766, 2015.
[62] A. Ahmed et al., "Toward High-Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap," Advanced Materials Technologies, vol. 5, no. 11, p. 2000520, 2020/11/01 2020.
[63] C.-Y. Chang et al., "Achieving high efficiency and improved stability in large-area ITO-free perovskite solar cells with thiol-functionalized self-assembled monolayers," Journal of Materials Chemistry A, 10.1039/C6TA02581A vol. 4, no. 20, pp. 7903-7913, 2016.
[64] X.-S. Zhang, M.-D. Han, B. Meng, and H.-X. Zhang, "High performance triboelectric nanogenerators based on large-scale mass-fabrication technologies," Nano Energy, vol. 11, pp. 304-322, 2015/01/01/ 2015.
[65] B. Meng, "Fabrication of Triboelectric Nanogenerators," Flexible Stretchable Triboelectric Nanogenerator Devices: Toward Self‐powered Systems, pp. 41-57, 2019.
[66] Y.-H. Chiao et al., "Zwitterion Co-Polymer PEI-SBMA Nanofiltration Membrane Modified by Fast Second Interfacial Polymerization," Polymers, vol. 12, no. 2, 2020.
[67] T.-H. Chang et al., "Protein-based contact electrification and its uses for mechanical energy harvesting and humidity detecting," Nano Energy, vol. 21, pp. 238-246, 2016/03/01/ 2016.
[68] A. Schella, S. Herminghaus, and M. Schröter, "Influence of humidity on tribo-electric charging and segregation in shaken granular media," Soft Matter, 10.1039/C6SM02041K vol. 13, no. 2, pp. 394-401, 2017.
[69] K. Kawano, R. Pacios, D. Poplavskyy, J. Nelson, D. D. C. Bradley, and J. R. Durrant, "Degradation of organic solar cells due to air exposure," Solar Energy Materials and Solar Cells, vol. 90, no. 20, pp. 3520-3530, 2006/12/15/ 2006.
[70] A. M. Nardes, M. Kemerink, M. M. de Kok, E. Vinken, K. Maturova, and R. A. J. Janssen, "Conductivity, work function, and environmental stability of PEDOT:PSS thin films treated with sorbitol," Organic Electronics, vol. 9, no. 5, pp. 727-734, 2008/10/01/ 2008.
[71] W. Xu, M.-C. Wong, and J. Hao, "Strategies and progress on improving robustness and reliability of triboelectric nanogenerators," Nano Energy, vol. 55, pp. 203-215, 2019/01/01/ 2019.