Jump to main content
Jump to site search

Issue 7, 2018
Previous Article Next Article

Layer-by-layer assembled graphene multilayers on multidimensional surfaces for highly durable, scalable, and wearable triboelectric nanogenerators

Author affiliations

Abstract

Triboelectric nanogenerators (TENGs) are considered promising next-generation mechanical energy harvesters owing to their desirable attributes such as light weight, portability, eco-friendliness, and low cost. However, cost-effective, scalable, and facile manufacturing methods are still required for the commercialization of TENGs, especially for textile-type TENGs compatible with a variety of textile products. In this work, we report for the first time the layer-by-layer (LbL) assembly of graphene multilayers for low-cost, durable, scalable, and wearable TENGs. The LbL-based graphene multilayers are fabricated on polymer substrates with flat, undulated, and textile surfaces, where graphene multilayers play dual roles as a positive tribo-material and as an electrode. The polymer substrate here is utilized as a negative tribo-material. We identify the optimal number of layers for graphene composites and analyze this outcome using their morphological and electrical properties. Due to the hydrogen bonding-based LbL wet processes, graphene composite multilayers could be well deposited on undulated surfaces as well as on large-scale fabric textiles. These LbL-deposited graphene multilayers yield graphene based-TENGs (G-TENGs) with high durability and high performance. Finally, a graphene multilayer on a textile sample is demonstrated as a scalable and wearable textile-based G-TENG (TG-TENG) operated in a single electrode mode, thereby enabling low-cost manufacturing and high compatibility with textile products such as cloths, curtains, bags and so on. The simple, cost-effective, scalable, and versatile LbL assembly can therefore enable the fabrication of wearable energy harvesting sources for many portable personal microelectronic devices (e.g., self-powered wireless sensors).

Graphical abstract: Layer-by-layer assembled graphene multilayers on multidimensional surfaces for highly durable, scalable, and wearable triboelectric nanogenerators

Back to tab navigation

Supplementary files

Publication details

The article was received on 09 Nov 2017, accepted on 15 Jan 2018 and first published on 16 Jan 2018


Article type: Paper
DOI: 10.1039/C7TA09876F
Citation: J. Mater. Chem. A, 2018,6, 3108-3115
  •   Request permissions

    Layer-by-layer assembled graphene multilayers on multidimensional surfaces for highly durable, scalable, and wearable triboelectric nanogenerators

    I. J. Chung, W. Kim, W. Jang, H. Park, A. Sohn, K. Chung, D. Kim, D. Choi and Y. T. Park, J. Mater. Chem. A, 2018, 6, 3108
    DOI: 10.1039/C7TA09876F

Search articles by author

Spotlight

Advertisements