Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters
For piezoelectric energy harvesters, a large volume of piezoelectric material with a high figure of merit is essential to obtain a higher power density. The work describes the growth of highly (001) oriented sputtered lead zirconate titanate (PZT) films (f ≈ 0.99) exceeding 4 µm in thickness on both...
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| Veröffentlicht in: | Advanced functional materials 2018-09, Vol.28 (36), p.n/a |
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| creator | Yeo, Hong Goo Xue, Tiancheng Roundy, Shad Ma, Xiaokun Rahn, Christopher Trolier‐McKinstry, Susan |
| description | For piezoelectric energy harvesters, a large volume of piezoelectric material with a high figure of merit is essential to obtain a higher power density. The work describes the growth of highly (001) oriented sputtered lead zirconate titanate (PZT) films (f ≈ 0.99) exceeding 4 µm in thickness on both sides of an Ni foil to produce a bimorph structure. These films are incorporated in novel wrist‐worn energy harvesters ( |
| doi_str_mv | 10.1002/adfm.201801327 |
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Thick piezoelectric bimorphs are used to create wrist‐worn harvesters. Beams are plucked magnetically using an eccentric rotor with embedded magnets to implement frequency up‐conversion from low‐frequency vibration sources (i.e., from walking, rotating the wrist, and jogging) to higher frequency vibrations of the lead zirconate titanate beams (100–200 Hz). The devices generate 40–50 µW power during mild activity.</description><identifier>ISSN: 1616-301X</identifier><identifier>EISSN: 1616-3028</identifier><identifier>DOI: 10.1002/adfm.201801327</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>Energy harvesting ; Figure of merit ; flexible metal foils ; Harvesters ; Lead zirconate titanates ; Magnetic resonance ; Magnets ; Materials science ; Metal foils ; Piezoelectricity ; Plucking ; PZT thin films ; rf‐sputtering ; textures ; wearable piezoelectric energy harvesters ; Wrist</subject><ispartof>Advanced functional materials, 2018-09, Vol.28 (36), p.n/a</ispartof><rights>2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3177-959a54c42749005c9660c905c73995c196d4e2360ea61cfaaa80c44a5111c69d3</citedby><cites>FETCH-LOGICAL-c3177-959a54c42749005c9660c905c73995c196d4e2360ea61cfaaa80c44a5111c69d3</cites><orcidid>0000-0002-7267-9281</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fadfm.201801327$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fadfm.201801327$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>Yeo, Hong Goo</creatorcontrib><creatorcontrib>Xue, Tiancheng</creatorcontrib><creatorcontrib>Roundy, Shad</creatorcontrib><creatorcontrib>Ma, Xiaokun</creatorcontrib><creatorcontrib>Rahn, Christopher</creatorcontrib><creatorcontrib>Trolier‐McKinstry, Susan</creatorcontrib><title>Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters</title><title>Advanced functional materials</title><description>For piezoelectric energy harvesters, a large volume of piezoelectric material with a high figure of merit is essential to obtain a higher power density. The work describes the growth of highly (001) oriented sputtered lead zirconate titanate (PZT) films (f ≈ 0.99) exceeding 4 µm in thickness on both sides of an Ni foil to produce a bimorph structure. These films are incorporated in novel wrist‐worn energy harvesters (<16 cm2) in which piezoelectric beams are plucked magnetically using an eccentric rotor with embedded magnets to implement frequency up‐conversion. The resulting devices successfully convert low‐frequency vibration sources (i.e., from walking, rotating the wrist, and jogging) to higher frequency vibrations of the PZT beams (100–200 Hz). Measured at resonance, six beams producing an output of 1.2 mW is achieved at 0.15 G acceleration. For magnetic plucking of a wrist‐worn nonresonant device, 40–50 µW is produced during mild activity.
Thick piezoelectric bimorphs are used to create wrist‐worn harvesters. Beams are plucked magnetically using an eccentric rotor with embedded magnets to implement frequency up‐conversion from low‐frequency vibration sources (i.e., from walking, rotating the wrist, and jogging) to higher frequency vibrations of the lead zirconate titanate beams (100–200 Hz). The devices generate 40–50 µW power during mild activity.</description><subject>Energy harvesting</subject><subject>Figure of merit</subject><subject>flexible metal foils</subject><subject>Harvesters</subject><subject>Lead zirconate titanates</subject><subject>Magnetic resonance</subject><subject>Magnets</subject><subject>Materials science</subject><subject>Metal foils</subject><subject>Piezoelectricity</subject><subject>Plucking</subject><subject>PZT thin films</subject><subject>rf‐sputtering</subject><subject>textures</subject><subject>wearable piezoelectric energy harvesters</subject><subject>Wrist</subject><issn>1616-301X</issn><issn>1616-3028</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkM1OwzAQhCMEEqVw5WyJCxxS7MRx4mMp_UFqRaUWFXGJjOMUV2lc1ilVOMEb8Iw8Ca6KypHTjkbz7a7G884JbhGMg2uR5ctWgEmCSRjEB16DMML8EAfJ4V6Tx2PvxNoFxiSOQ9rwPicVmHJe1OjSeVfoHrQqK5WhG700sHpB46cp6uliiUyJRqoSBeoZXVjUB7Mp0XONIP_--Jqs1lWlQJdzlBtAM9C2cvbMQInGWr0bVShZgZaoWyqY12gg4E1Zh9hT7ygXhVVnv7PpPfS6087AH9737zrtoS9D96vPIy4iKmkQU45xJDljWHIn4pDzSBLOMqqCkGElGJG5ECLBklIREUIk41nY9C52e1dgXtfudrowayjdyTTAPIkZp5i6VGuXkmCsBZWnK9BLAXVKcLqtOd3WnO5rdgDfARtdqPqfdNq-7Y3-2B97i4KF</recordid><startdate>20180905</startdate><enddate>20180905</enddate><creator>Yeo, Hong Goo</creator><creator>Xue, Tiancheng</creator><creator>Roundy, Shad</creator><creator>Ma, Xiaokun</creator><creator>Rahn, Christopher</creator><creator>Trolier‐McKinstry, Susan</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-7267-9281</orcidid></search><sort><creationdate>20180905</creationdate><title>Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters</title><author>Yeo, Hong Goo ; Xue, Tiancheng ; Roundy, Shad ; Ma, Xiaokun ; Rahn, Christopher ; Trolier‐McKinstry, Susan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3177-959a54c42749005c9660c905c73995c196d4e2360ea61cfaaa80c44a5111c69d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Energy harvesting</topic><topic>Figure of merit</topic><topic>flexible metal foils</topic><topic>Harvesters</topic><topic>Lead zirconate titanates</topic><topic>Magnetic resonance</topic><topic>Magnets</topic><topic>Materials science</topic><topic>Metal foils</topic><topic>Piezoelectricity</topic><topic>Plucking</topic><topic>PZT thin films</topic><topic>rf‐sputtering</topic><topic>textures</topic><topic>wearable piezoelectric energy harvesters</topic><topic>Wrist</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yeo, Hong Goo</creatorcontrib><creatorcontrib>Xue, Tiancheng</creatorcontrib><creatorcontrib>Roundy, Shad</creatorcontrib><creatorcontrib>Ma, Xiaokun</creatorcontrib><creatorcontrib>Rahn, Christopher</creatorcontrib><creatorcontrib>Trolier‐McKinstry, Susan</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Advanced functional materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yeo, Hong Goo</au><au>Xue, Tiancheng</au><au>Roundy, Shad</au><au>Ma, Xiaokun</au><au>Rahn, Christopher</au><au>Trolier‐McKinstry, Susan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters</atitle><jtitle>Advanced functional materials</jtitle><date>2018-09-05</date><risdate>2018</risdate><volume>28</volume><issue>36</issue><epage>n/a</epage><issn>1616-301X</issn><eissn>1616-3028</eissn><abstract>For piezoelectric energy harvesters, a large volume of piezoelectric material with a high figure of merit is essential to obtain a higher power density. The work describes the growth of highly (001) oriented sputtered lead zirconate titanate (PZT) films (f ≈ 0.99) exceeding 4 µm in thickness on both sides of an Ni foil to produce a bimorph structure. These films are incorporated in novel wrist‐worn energy harvesters (<16 cm2) in which piezoelectric beams are plucked magnetically using an eccentric rotor with embedded magnets to implement frequency up‐conversion. The resulting devices successfully convert low‐frequency vibration sources (i.e., from walking, rotating the wrist, and jogging) to higher frequency vibrations of the PZT beams (100–200 Hz). Measured at resonance, six beams producing an output of 1.2 mW is achieved at 0.15 G acceleration. For magnetic plucking of a wrist‐worn nonresonant device, 40–50 µW is produced during mild activity.
Thick piezoelectric bimorphs are used to create wrist‐worn harvesters. Beams are plucked magnetically using an eccentric rotor with embedded magnets to implement frequency up‐conversion from low‐frequency vibration sources (i.e., from walking, rotating the wrist, and jogging) to higher frequency vibrations of the lead zirconate titanate beams (100–200 Hz). The devices generate 40–50 µW power during mild activity.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/adfm.201801327</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-7267-9281</orcidid></addata></record> |
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| subjects | Energy harvesting Figure of merit flexible metal foils Harvesters Lead zirconate titanates Magnetic resonance Magnets Materials science Metal foils Piezoelectricity Plucking PZT thin films rf‐sputtering textures wearable piezoelectric energy harvesters Wrist |
| title | Strongly (001) Oriented Bimorph PZT Film on Metal Foils Grown by rf‐Sputtering for Wrist‐Worn Piezoelectric Energy Harvesters |
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