Difference between revisions of "RISO PRINT GOCCO LAMP sintered silver nanowires"

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(Created page with "=Part II, Gacco Lamp Sintered AgNWs PVM film (on going)= File:PVB_AgNWs_transfering.png|thumb|400px|A conductive, uniform, and ultra-smooth flexible transparent composite fi...")
 
m (The setting of GOCCO LAMP Ag-NWs welding)
 
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=Part II, Gacco Lamp Sintered AgNWs PVM film (on going)=
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=Abstract=
[[File:PVB_AgNWs_transfering.png|thumb|400px|A conductive, uniform, and ultra-smooth flexible transparent composite film is produced by embedding silver nanowires (Ag-NWs) into poly(vinyl-butyral) (PVB) without pressure or high-temperature annealing.]]
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According to "Light welding of ultra-smooth and robust silver nanowire networks embedded in poly(vinyl-butyral) for flexible OLED" the welding of the Ag-NW conductive layer can be done by intensive pulse light (IPL), using strong white light to create heat to welder Ag-NWs to form a network to increase the conductivity. An alternative light source is performed in this experiment due to the difficulty to obtain expansive IPL. The Japanese toy kit "RISO PRINT GOCCO LAMP" introduced by the founder of [http://bioclub.org/ Bioclub Tokyo], Georg Tremmel is a Japanese riso print kit that allow user to create personalized riso print mask by the heat created from the exploded light lamp provided in the kit. This experiment simply compares the conductivity of the Ag-NW layer before and after the exposure. The Ag-NWs used in this experiment is labelled "diameter < 100nm, length > 30 um".
Continued with the first part, in the original paper, the AgNWs is sintered by IPL (intense pulsed light) but due to the high price of IPL, I decided to try something else. I found a type of light bulb that generate sudden high heat in a Japanese toy kit RISO PRINT GOCCO LAMP which is introduced by the founder of [http://bioclub.org/ Bioclub], Georg Tremmel. The original purpose of the bulb is to create mask for riso print. The original usage please visit [https://www.youtube.com/shorts/uURKi2lCHQg RISO PRINT GOCCO LAMP tutorial]. The follow on practices is documented in page [[Conductive thin coating made of AgNWs]].
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==The original RISO PRINT GOCCO LAMP kit==
<gallery mode="traditional" widths=360px heights=240px caption="Print GOCCO lamp>
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[[File:PVB_AgNWs_transfering.png|thumb|400px|Schematic of IPL welding sytem for Ag-NWs and peeling method with PVB film introduced in "Light welding of ultra-smooth and robust silver nanowire networks embedded in poly(vinyl-butyral) for flexible OLED".]]
File:RISO PRINT GACCO LAMP2.jpeg|Prin Gocco lamp with the printing case.
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[[File:IPL sintered AG-NW on fabric.png|thumb|400px|Schematic of IPL welding system for Ag-NWs introduced in "Rapid Pulsed Light welding of Silver Nanowires on Woven Polyester for personal thermal management with enhanced performance, durability and costeffectiveness".]]
File:RISO PRINT GACCO LAMP1.jpeg|Gocco lamp installed in the lamp case.
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<gallery mode="traditional" widths=360px heights=240px caption="The original RISO PRINT GOCCO LAMP kit>
File:RISO PRINT GACCO LAMP5.jpeg|Close-up photo of the Gocco lamp.
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File:The package of RISO PRINT GOCCO LAMP KIT.jpg|The package of RISO PRINT GOCCO LAMP KIT.
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File:RISO PRINT GACCO LAMP2.jpeg|The original RISO GOCCO LAMP printing station with bulbs holder and printing frame.
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File:RISO PRINT GACCO LAMP1.jpeg|The original GOCCO LAMP holder with reflective surfaces.
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File:RISO PRINT GACCO LAMP5.jpeg|Close-up photo of the GOCCO LAMP BULB.
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File:RISO PRINT GACCO LAMP4.jpeg|The original RISO GOCCO PRINT LAMP videotape, package and lamps.
 
<ref>Insert RISO GACCO LAMP KIT here</ref>
 
<ref>Insert RISO GACCO LAMP KIT here</ref>
 
</gallery>
 
</gallery>
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==The setting of GOCCO LAMP Ag-NWs welding and result==
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The Ag-NWs samples are prepared by mixing few drops of 200ml of 70% ethanol with 0.18 grams of AgNWs. The solution is being ultrasoniced for 20 mins. The GOCCO bulbs are fixed on a DIY holder and the top of the bulb is about 1 cm above the Ag-NWs sample. The white light flash was triggered by short-circuit the bulb connector with a 9V battery. The SEM photo of the unweldered and weldered samples were compared below but no signs of any welding was found. Additionally, the colorized SEM photo shows there's some glues attached on the silver nanowires which might cause decrease of the conductivity, indicating the need of acetone bath before the white light exposure. Also, the reflective surface in the original GOCCO bulb case is needed to increase the exposure heat in order to obtain the expected Ag-NW networks.
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<gallery mode="traditional" widths=360px heights=240px caption="Welding setup with GOCCO LAMP">
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File:RISO PRINT GACCO LAMP sintering for Ag-NW 01.jpg|DIY bulb holder for GOCCO LAMP. The white light flash was activated by a 9V battery with jumper wires.
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File:RISO PRINT GACCO LAMP sintering for Ag-NW 02.jpg|Close-up of the Ag-NWs samples on glass with the GOCCO LAMP above.
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</gallery>
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<gallery mode="traditional" widths=360px heights=240px caption="SEM of Ag-NWs comparisons">
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File:Ag-NW_pristine_measurement .jpg|SEM photo of the non-sintered Ag-NWs with measurement at 1µm.
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File:Ag-NW_pristine .jpg|SEM photos of the Ag-NWs after the GOCCO LAMP exposure at 500nm.
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File:Ag-NW_sintered.jpg|SEM photos of the Ag-NWs after the GOCCO LAMP exposure at 300nm.
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</gallery>
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<gallery mode="traditional" widths=360px heights=240px caption="Colorized SEM of Ag-NWs samples">
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File:Ag-NW_sintered_art_by_Joakim copy.jpg|SEM nano art by Joakim Reuteler.
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File:Ag-NW_pristine_colorized.jpg|Colorised SEM photos of the Ag-NWs after the GOCCO LAMP exposure at 500nm.
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File:Ag-NW_sintered_colorized.jpg|Colorised SEM photos of the Ag-NWs after the GOCCO LAMP exposure at 300nm.
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</gallery>
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=References=
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#The original usage of Riso print GOCCO lamp [https://www.youtube.com/shorts/uURKi2lCHQg RISO PRINT GOCCO LAMP demonstration].
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#Lee, Dong Jun, Youngsu Oh, Jae-Min Hong, Young Wook Park, and Byeong-Kwon Ju. 2018. “Light welding of Ultra-Smooth and Robust Silver Nanowire Networks Embedded in Poly(Vinyl-Butyral) for Flexible OLED.” Scientific Reports 8 (1): 14170. https://doi.org/10.1038/s41598-018-32590-0.
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#Jin, Hwa-Young, Jae-Yup Kim, Jin Ah Lee, Kwangsoo Lee, Kicheon Yoo, Doh-Kwon Lee, BongSoo Kim, et al. 2014. “Rapid welding of TiO2 Photoelectrodes Using Intense Pulsed White Light for Flexible Dye-Sensitized Solar Cells.” Applied Physics Letters 104 (14): 143902. https://doi.org/10.1063/1.4871370.

Latest revision as of 04:34, 21 November 2023

Abstract

According to "Light welding of ultra-smooth and robust silver nanowire networks embedded in poly(vinyl-butyral) for flexible OLED" the welding of the Ag-NW conductive layer can be done by intensive pulse light (IPL), using strong white light to create heat to welder Ag-NWs to form a network to increase the conductivity. An alternative light source is performed in this experiment due to the difficulty to obtain expansive IPL. The Japanese toy kit "RISO PRINT GOCCO LAMP" introduced by the founder of Bioclub Tokyo, Georg Tremmel is a Japanese riso print kit that allow user to create personalized riso print mask by the heat created from the exploded light lamp provided in the kit. This experiment simply compares the conductivity of the Ag-NW layer before and after the exposure. The Ag-NWs used in this experiment is labelled "diameter < 100nm, length > 30 um".

The original RISO PRINT GOCCO LAMP kit

Schematic of IPL welding sytem for Ag-NWs and peeling method with PVB film introduced in "Light welding of ultra-smooth and robust silver nanowire networks embedded in poly(vinyl-butyral) for flexible OLED".
Schematic of IPL welding system for Ag-NWs introduced in "Rapid Pulsed Light welding of Silver Nanowires on Woven Polyester for personal thermal management with enhanced performance, durability and costeffectiveness".

The setting of GOCCO LAMP Ag-NWs welding and result

The Ag-NWs samples are prepared by mixing few drops of 200ml of 70% ethanol with 0.18 grams of AgNWs. The solution is being ultrasoniced for 20 mins. The GOCCO bulbs are fixed on a DIY holder and the top of the bulb is about 1 cm above the Ag-NWs sample. The white light flash was triggered by short-circuit the bulb connector with a 9V battery. The SEM photo of the unweldered and weldered samples were compared below but no signs of any welding was found. Additionally, the colorized SEM photo shows there's some glues attached on the silver nanowires which might cause decrease of the conductivity, indicating the need of acetone bath before the white light exposure. Also, the reflective surface in the original GOCCO bulb case is needed to increase the exposure heat in order to obtain the expected Ag-NW networks.

References

  1. The original usage of Riso print GOCCO lamp RISO PRINT GOCCO LAMP demonstration.
  2. Lee, Dong Jun, Youngsu Oh, Jae-Min Hong, Young Wook Park, and Byeong-Kwon Ju. 2018. “Light welding of Ultra-Smooth and Robust Silver Nanowire Networks Embedded in Poly(Vinyl-Butyral) for Flexible OLED.” Scientific Reports 8 (1): 14170. https://doi.org/10.1038/s41598-018-32590-0.
  3. Jin, Hwa-Young, Jae-Yup Kim, Jin Ah Lee, Kwangsoo Lee, Kicheon Yoo, Doh-Kwon Lee, BongSoo Kim, et al. 2014. “Rapid welding of TiO2 Photoelectrodes Using Intense Pulsed White Light for Flexible Dye-Sensitized Solar Cells.” Applied Physics Letters 104 (14): 143902. https://doi.org/10.1063/1.4871370.