Transparent Photothermal Heaters from a Soluble NIR-Absorbing Diimmonium Salt

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 1 vom: 13. Jan., Seite e1905096
1. Verfasser: Han, Minsu (VerfasserIn)
Weitere Verfasser: Kim, Byeonggwan, Lim, Hanwhuy, Jang, Hwandong, Kim, Eunkyoung
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article NIR-absorbing diimmonium salts desalination photoactuators solution-processed thin-film photoheaters transparent photothermal films
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520 |a While numerous near-infrared (NIR) materials have emerged, most of them are strongly colored or black due to the absorption band or tails in the visible region. Here, a highly transparent and soluble NIR-absorbing ionic salt, isobutyl-substituted diimmonium borate (IDI), is synthesized and fabricated, through a solution process, as a thin film that shows a transmittance of over 93% in the whole visible region. A transparent photothermal (PT) film heater is fabricated with the IDI-doped polymer solution, which shows a photothermal conversion efficiency (ηPT ) of 75.2%. Additionally, the prepared PT heater shows a high water evaporation conversion efficiency (ηw ) of 68.8% upon exposure to a 1064 nm laser. Furthermore, the transparent IDI film affords the development of a wireless transparent actuator for the first time, generating a bending angle over 75°, with over 2700 bending cycles. The transparent IDI film creates a hot transparent Venus flytrap and a colorful or fluorescent actuator upon the addition of colorants without losing the actuation properties 
650 4 |a Journal Article 
650 4 |a NIR-absorbing diimmonium salts 
650 4 |a desalination 
650 4 |a photoactuators 
650 4 |a solution-processed thin-film photoheaters 
650 4 |a transparent photothermal films 
700 1 |a Kim, Byeonggwan  |e verfasserin  |4 aut 
700 1 |a Lim, Hanwhuy  |e verfasserin  |4 aut 
700 1 |a Jang, Hwandong  |e verfasserin  |4 aut 
700 1 |a Kim, Eunkyoung  |e verfasserin  |4 aut 
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