liquid metal lm  (Santech Inc)

Journal: Micromachines

Article Title: Ultrasoft and Ultrastretchable Wearable Strain Sensors with Anisotropic Conductivity Enabled by Liquid Metal Fillers

doi: 10.3390/mi14010017

Figure Lengend Snippet: Schematics showing the fabrication process of the liquid metal elastomer film with a hand-written circuit. ( a ) Shear mixing a silicone elastomer with the liquid metal, ( b ) thermally cured silicone elastomer with the liquid metal droplets dispersed, and ( c ) conductive trace by sintering the liquid metal droplets via applying localized mechanical pressure onto the liquid metal elastomer film.

Article Snippet: As shown in a–h, the liquid metal elastomer films (ExSil 100-LM and Sylgard 184-LM) with the handwritten circuits shows the electrical conductivity maintained upon various deformations, such as stretching, folding, and twisting as demonstrated by LED activation ( ).

Techniques: Shear

Journal: Micromachines

Article Title: Ultrasoft and Ultrastretchable Wearable Strain Sensors with Anisotropic Conductivity Enabled by Liquid Metal Fillers

doi: 10.3390/mi14010017

Figure Lengend Snippet: Mechanical properties of the liquid metal elastomer films made of Sylgard 184 ( a , c ) and ExSil 100 ( b , d ). ( a , b ) Young’s modulus of the liquid metal elastomer films as a function of the contents of liquid metal fillers. ( c , d ) Plot of elongation at break of the liquid metal elastomer films as a function of the contents of the liquid metal fillers.

Article Snippet: As shown in a–h, the liquid metal elastomer films (ExSil 100-LM and Sylgard 184-LM) with the handwritten circuits shows the electrical conductivity maintained upon various deformations, such as stretching, folding, and twisting as demonstrated by LED activation ( ).

Techniques:

Journal: Micromachines

Article Title: Ultrasoft and Ultrastretchable Wearable Strain Sensors with Anisotropic Conductivity Enabled by Liquid Metal Fillers

doi: 10.3390/mi14010017

Figure Lengend Snippet: Normalized effective resistance of the liquid metal elastomer film with handwritten circuit during 50 consecutive cycles of tensile testing at strains of 100%.

Article Snippet: As shown in a–h, the liquid metal elastomer films (ExSil 100-LM and Sylgard 184-LM) with the handwritten circuits shows the electrical conductivity maintained upon various deformations, such as stretching, folding, and twisting as demonstrated by LED activation ( ).

Techniques:

Journal: Micromachines

Article Title: Ultrasoft and Ultrastretchable Wearable Strain Sensors with Anisotropic Conductivity Enabled by Liquid Metal Fillers

doi: 10.3390/mi14010017

Figure Lengend Snippet: Liquid metal elastomer films exhibiting anisotropic conductivity. ( a ) Schematic showing the geometrical change of the liquid metal elastomer film with handwritten circuit upon strains parallel and perpendicular to the direction of the conductive trace. ( b ) Normalized resistance versus strain for the conductive trace upon parallel and perpendicular strains. ( c – e ) Photographs showing the locomotion of a robot enabled by the liquid metal elastomer film connected ( c ) without strain, ( d ) with parallel strain along the direction of the conductive trace, and ( e ) with perpendicular strain along the direction of the conductive trace.

Article Snippet: As shown in a–h, the liquid metal elastomer films (ExSil 100-LM and Sylgard 184-LM) with the handwritten circuits shows the electrical conductivity maintained upon various deformations, such as stretching, folding, and twisting as demonstrated by LED activation ( ).

Techniques:

Journal: Micromachines

Article Title: Ultrasoft and Ultrastretchable Wearable Strain Sensors with Anisotropic Conductivity Enabled by Liquid Metal Fillers

doi: 10.3390/mi14010017

Figure Lengend Snippet: Liquid metal elastomer films utilized soft and wearable strain sensors monitoring various body motions by attaching them to the ( a , b ) elbow, ( c ) wrist, ( d ) knee, ( e ) throat, and ( f ) neck.

Article Snippet: As shown in a–h, the liquid metal elastomer films (ExSil 100-LM and Sylgard 184-LM) with the handwritten circuits shows the electrical conductivity maintained upon various deformations, such as stretching, folding, and twisting as demonstrated by LED activation ( ).

Techniques:

Journal: Applied Materials Today

Article Title: Liquid metal fillers enabled remote actuating and localizing reversible wrinkles on polymeric bilayer

doi: 10.1016/j.apmt.2022.101537

Figure Lengend Snippet: Fig. 2. (a) Schematic showing the fabrication of highly ordered wrinkled patterns on the PAN/PDMS bilayer, (b-c) the tunable diffraction grating phenomenon and optical microscopy imagery of (b) the highly ordered wrinkles on the PAN/PDMS bilayer enabled by prestretching of the PDMS substrate, and (c) the randomly aligned wrinkles on the PAN/PDMS bilayer enabled by non-prestretching of the PDMS substrate, (d) Plot of the light transmittance in the visible and near-infrared (NIR) region of the PDMS, the PAN/PDMS bilayer without wrinkles, the PAN/PDMS with wrinkles, and (e) Photos showing the tunable optical transparency of the PAN/PDMS bilayer enabled by the thermally triggered reversible wrinkles on the surface. Scale bar is 1 cm.

Article Snippet: Liquid metal dispersed PDMS (LM–PDMS) substrates were prepared by mixing the uncured PDMS silicone elastomer with EGaIn (Eutectic gallium and indium alloy, 75.5% Ga and 24.5% by weight), and subsequent vigorous stirring of the composites by a homogenizer (Daihan Scientific, HS-30D) for 2 min. Once the uniformly mixed viscous emulsion appeared, it was mixed with platinum-catalyst based curing agent.

Techniques: Microscopy

Journal: Applied Materials Today

Article Title: Liquid metal fillers enabled remote actuating and localizing reversible wrinkles on polymeric bilayer

doi: 10.1016/j.apmt.2022.101537

Figure Lengend Snippet: Fig. 3. (a) Schematic showing the procedure for fabricating the liquid metal dispersed PDMS substrates (LM–PDMS), (b) Surface temperature profiles of the LM–PDMS substrates as a function of IR exposure time and concentration of the liquid metal fillers in the PDMS substrates, (c) IR camera images showing the temperature on the bilayers surface as a function of concentration of the liquid metal fillers upon exposure to the IR for (5 and 540) s, (d) Optical microscopy images showing the regenerating wrinkles on (i)–(iii) the PAN/PDMS bilayer, and (iv)–(vi) the PAN/LM–PDMS (80 wt.% of liquid metal fillers) upon removing the IR light, (e) (i) Time required to erase the wrinkles upon applying the IR light, and (ii) Time required to regenerate the wrinkles upon removing IR light as a function of the liquid metal filler concentration. IR heat lamp was placed at a distance of 20 cm from the bilayer.

Article Snippet: Liquid metal dispersed PDMS (LM–PDMS) substrates were prepared by mixing the uncured PDMS silicone elastomer with EGaIn (Eutectic gallium and indium alloy, 75.5% Ga and 24.5% by weight), and subsequent vigorous stirring of the composites by a homogenizer (Daihan Scientific, HS-30D) for 2 min. Once the uniformly mixed viscous emulsion appeared, it was mixed with platinum-catalyst based curing agent.

Techniques: Concentration Assay, Microscopy

Journal: Applied Materials Today

Article Title: Liquid metal fillers enabled remote actuating and localizing reversible wrinkles on polymeric bilayer

doi: 10.1016/j.apmt.2022.101537

Figure Lengend Snippet: Fig. 4. Mechanical properties of the liquid metal dispersed PDMS substrates. (a) Plot of stress versus strain for the liquid metal dispersed PDMS substrates with various concentrations of liquid metal fillers, (b) Tensile modulus of the PDMS substrates as a function of the concentration of liquid metal fillers, and (c) Plot of elongation at break of the liquid metal dispersed PDMS substrates as a function of the concentration of the liquid metal fillers.

Article Snippet: Liquid metal dispersed PDMS (LM–PDMS) substrates were prepared by mixing the uncured PDMS silicone elastomer with EGaIn (Eutectic gallium and indium alloy, 75.5% Ga and 24.5% by weight), and subsequent vigorous stirring of the composites by a homogenizer (Daihan Scientific, HS-30D) for 2 min. Once the uniformly mixed viscous emulsion appeared, it was mixed with platinum-catalyst based curing agent.

Techniques: Concentration Assay

Journal: Applied Materials Today

Article Title: Liquid metal fillers enabled remote actuating and localizing reversible wrinkles on polymeric bilayer

doi: 10.1016/j.apmt.2022.101537

Figure Lengend Snippet: Fig. 5. The formation of the reversible wrinkles on the PAN/PDMS bilayer by electrically induced thermal trigger. (a) Schematic showing the fabrication process of the PDMS substrate patterned with the liquid metal wire; (b) (i) Photo of the PDMS substrate patterned with the liquid metal wire, (ii) IR image showing the surface temperature locally raised by applying Joule heating (a current of 1 A), and (iii) Profile of the surface temperature of the PAN/PDMS bilayer upon applying Joule heating through the liquid metal wire; and (c) Optical microscopy images showing the reversible wrinkles on the PAN/PDMS bilayer by applying Joule heating. The white area is the region patterned with the liquid metal wire, while the gray area is the non- patterned region. Scale bar is 1 cm.

Article Snippet: Liquid metal dispersed PDMS (LM–PDMS) substrates were prepared by mixing the uncured PDMS silicone elastomer with EGaIn (Eutectic gallium and indium alloy, 75.5% Ga and 24.5% by weight), and subsequent vigorous stirring of the composites by a homogenizer (Daihan Scientific, HS-30D) for 2 min. Once the uniformly mixed viscous emulsion appeared, it was mixed with platinum-catalyst based curing agent.

Techniques: Microscopy

Journal: Applied Materials Today

Article Title: Liquid metal fillers enabled remote actuating and localizing reversible wrinkles on polymeric bilayer

doi: 10.1016/j.apmt.2022.101537

Figure Lengend Snippet: Fig. 6. (a) Schematic showing the principle of the temperature-responsive switch, and (b) The resistance changes of the sensor upon repeatedly applying and removing the thermal trigger. (c) Manipulated intensity of LED enabled by the formation of reversible wrinkles on the PAN/ LM–PDMS bilayer, and (d) Activation of LED enabled by the formation of reversible wrinkles on the PAN/ LM–PDMS bilayer. Scale bar is 3 cm.

Article Snippet: Liquid metal dispersed PDMS (LM–PDMS) substrates were prepared by mixing the uncured PDMS silicone elastomer with EGaIn (Eutectic gallium and indium alloy, 75.5% Ga and 24.5% by weight), and subsequent vigorous stirring of the composites by a homogenizer (Daihan Scientific, HS-30D) for 2 min. Once the uniformly mixed viscous emulsion appeared, it was mixed with platinum-catalyst based curing agent.

Techniques: Activation Assay