High-temperature, thin, flexible and transparent Ni-based heaters patterned by laser-induced reductive sintering on colorless polyimide

Autor:	Seung Hwan Ko, Ahyoung Choi, Daeho Lee, Vu Binh Nam, Hoimyung Choi, Jaeho Shin
Rok vydání:	2021
Předmět:	Fabrication Materials science business.industry Sintering chemistry.chemical_element General Chemistry Substrate (electronics) Nickel chemistry Materials Chemistry Transmittance Optoelectronics Thermal stability business Polyimide Sheet resistance
Zdroj:	Journal of Materials Chemistry C. 9:5652-5661
ISSN:	2050-7534 2050-7526
Popis:	This study reports a novel method for the fabrication of a high-performance, flexible and transparent heater (TH) comprising imperceptible nickel (Ni) micropatterns on a colorless polyimide (cPI) substrate. The specially developed laser digital patterning (LDP) process, which utilizes laser-thermal degradation of organic surfactants generating reducing agent, enables a fast, affordable, and reliable way to form Ni-grid/cPI structures with a low sheet resistance (26.3 Ω sq−1) and a high transmittance (87.3% at 550 nm). Thanks to the thermal stability of Ni and cPI, together with the low sheet resistance, the Ni/cPI TH exhibits stable performance even at the highest heating temperature ever reported for flexible TH (310 °C at 11 V). As a consequence, the proposed scheme realizes an advanced process for the fabrication of chemically and mechanically stable, lightweight (4.1 mg cm−1), high-performance, and flexible TH.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3669c9a0be9f860aceed977e4a0d08a7 https://doi.org/10.1039/d1tc00435b Zobrazit plný text záznamu