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Flexible diodes for radio frequency (RF) electronics: a materials perspective

Flexible diodes for radio frequency (RF) electronics: a materials perspective
Flexible diodes for radio frequency (RF) electronics: a materials perspective

Over the last decade, there has been increasing interest in transferring the research advances in radiofrequency (RF) rectifiers, the quintessential element of the chip in the RF identification (RFID) tags, obtained on rigid substrates onto plastic (flexible) substrates. The growing demand for flexible RFID tags, wireless communications applications and wireless energy harvesting systems that can be produced at a low-cost is a key driver for this technology push. In this topical review, we summarise recent progress and status of flexible RF diodes and rectifying circuits, with specific focus on materials and device processing aspects. To this end, different families of materials (e.g. flexible silicon, metal oxides, organic and carbon nanomaterials), manufacturing processes (e.g. vacuum and solution processing) and device architectures (diodes and transistors) are compared. Although emphasis is placed on performance, functionality, mechanical flexibility and operating stability, the various bottlenecks associated with each technology are also addressed. Finally, we present our outlook on the commercialisation potential and on the positioning of each material class in the RF electronics landscape based on the findings summarised herein. It is beyond doubt that the field of flexible high and ultra-high frequency rectifiers and electronics as a whole will continue to be an active area of research over the coming years.

flexible electronics, printed electronics, radio frequency diodes, RFID
0268-1242
1-45
Semple, James
44fd17bf-5f7c-4e73-91c1-65be28b1c881
Georgiadou, Dimitra G.
84977176-3678-4fb3-a3dd-2044a49c853b
Wyatt-Moon, Gwenhivir
f332707a-2026-406a-b32e-2a29d9cf6423
Gelinck, Gerwin
ddef7669-8e05-4ee9-8e32-4d5038247b9f
Anthopoulos, Thomas D.
d6ee9390-d991-4277-a721-030f22d614c9
Semple, James
44fd17bf-5f7c-4e73-91c1-65be28b1c881
Georgiadou, Dimitra G.
84977176-3678-4fb3-a3dd-2044a49c853b
Wyatt-Moon, Gwenhivir
f332707a-2026-406a-b32e-2a29d9cf6423
Gelinck, Gerwin
ddef7669-8e05-4ee9-8e32-4d5038247b9f
Anthopoulos, Thomas D.
d6ee9390-d991-4277-a721-030f22d614c9

Semple, James, Georgiadou, Dimitra G., Wyatt-Moon, Gwenhivir, Gelinck, Gerwin and Anthopoulos, Thomas D. (2017) Flexible diodes for radio frequency (RF) electronics: a materials perspective. Semiconductor Science and Technology, 32 (12), 1-45, [123002]. (doi:10.1088/1361-6641/aa89ce).

Record type: Review

Abstract

Over the last decade, there has been increasing interest in transferring the research advances in radiofrequency (RF) rectifiers, the quintessential element of the chip in the RF identification (RFID) tags, obtained on rigid substrates onto plastic (flexible) substrates. The growing demand for flexible RFID tags, wireless communications applications and wireless energy harvesting systems that can be produced at a low-cost is a key driver for this technology push. In this topical review, we summarise recent progress and status of flexible RF diodes and rectifying circuits, with specific focus on materials and device processing aspects. To this end, different families of materials (e.g. flexible silicon, metal oxides, organic and carbon nanomaterials), manufacturing processes (e.g. vacuum and solution processing) and device architectures (diodes and transistors) are compared. Although emphasis is placed on performance, functionality, mechanical flexibility and operating stability, the various bottlenecks associated with each technology are also addressed. Finally, we present our outlook on the commercialisation potential and on the positioning of each material class in the RF electronics landscape based on the findings summarised herein. It is beyond doubt that the field of flexible high and ultra-high frequency rectifiers and electronics as a whole will continue to be an active area of research over the coming years.

Text
Semple_2017_Semicond._Sci._Technol._32_123002 - Version of Record
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Accepted/In Press date: 1 September 2017
Published date: 30 October 2017
Keywords: flexible electronics, printed electronics, radio frequency diodes, RFID

Identifiers

Local EPrints ID: 439830
URI: http://eprints.soton.ac.uk/id/eprint/439830
ISSN: 0268-1242
PURE UUID: bec19468-0df9-45df-9e45-8a074398c709
ORCID for Dimitra G. Georgiadou: ORCID iD orcid.org/0000-0002-2620-3346

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Date deposited: 05 May 2020 16:30
Last modified: 07 Oct 2020 02:27

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Contributors

Author: James Semple
Author: Gwenhivir Wyatt-Moon
Author: Gerwin Gelinck
Author: Thomas D. Anthopoulos

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