Free‐Standing Graphene Thermophone on a Polymer‐Mesh Substrate | Zendy

Kim Choong Sun | Zendy; Hong Seul Ki | Zendy; Lee JungMin | Zendy; Kang DongSoo | Zendy; Cho Byung Jin | Zendy; Choi JungWoo | Zendy

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Free‐Standing Graphene Thermophone on a Polymer‐Mesh Substrate

Author(s) -

Kim Choong Sun,

Hong Seul Ki,

Lee JungMin,

Kang DongSoo,

Cho Byung Jin,

Choi JungWoo

Publication year - 2016

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.201501673

Subject(s) - loudspeaker , materials science , graphene , substrate (aquarium) , sound pressure , thermoacoustics , polymer substrate , acoustics , thin film , polymer , sound (geography) , composite material , nanotechnology , physics , oceanography , geology

A graphene thermoacoustic loudspeaker with a thin polymer mesh is fabricated using screen‐printing. An experiment with substrates of various free‐standing areas shows that a higher sound pressure level can be achieved as compared to previously reported graphene thermoacoustic loudspeakers. Moreover, a modified equation to predict the sound pressure level of the thermoacoustic loudspeaker with a thin and patterned substrate is proposed and verified by experimental results.

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