en-te-hwu (academia sinica, taiwan) - diy atomic force microscope & lifelong learning
TRANSCRIPT
![Page 1: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/1.jpg)
EDWIN
2015/09/18
DIY ATOMIC FORCE MICROSCOPE(AFM)
&
LIFELONG LEARNING
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 3: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/3.jpg)
Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 4: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/4.jpg)
Exploring the micro world by an optical microscope
Seeing is believing?
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Diffraction limit of light
100~20k USD We can not “see” the nanoworld
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Scanning Electron Microscope (SEM)
http://www.jeolusa.com/PRODUCTS/ScanningElectronMi
croscopes(SEM)/SEM-FIB/JIB-
4600FMultiBeam/tabid/543/Default.aspx
500k~2M USD
Image only conductive samples
Electron gun
DetectorMagnetic lens
Electron
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“touching” the nanofeatures ….
Image both conductive and non-conductive samples in
air, liquid and vacuum environments
50k~500k USD https://en.wikipedia.org/wiki/Atomic_force_microscopy
Atomic force microscope (AFM)
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Exploring the Nano world By a very sharp tip….
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Year 2013, Francois was looking for
an affordable AFM that can be easily built
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10
Nano optics
replaced by DVD OPU Head Nano scanner
replaced by piezo buzzers
Metal parts replaced
by structures made of PCBs Optical table replaced
by handheld anti-vibration table
4 techniques make the AFM affordable
Inspired by Sebastian Butefisch
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 13: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/13.jpg)
13
The DIY AFM kit
http://www.stromlinet-nano.com/
http://www.stromlinet-nano.com/
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Primary / junior high school children
assembling / using the DIY AFM
Tearing the parts AFM base Buzzer scanner
AFM head Within 2 hours Measuring nanostructures
Lego2Nano Lego2Nano Lego2Nano
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15
Move the AFM
from Clean Room to Class Room
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 17: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/17.jpg)
Microscope for children
in the past 100 years: 1,000x
Onion cells
Area: 200 x 200 mm
Optical microscope for children
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Microscope for children
Now: Magnification 100,000,000 x
DNA origami on Mica substrate
Area: 5 x 5 mm, AC mode
AFM for children
DNA origami
Sample prepared by Bryan Wei @Tsinghua University http://www.stromlinet-nano.com/
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AFM topographic image
Area: 5x5 mm
Optical image
Area: 600x600 mm
Measuring surface of an eraser
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AFM topographic image
Area: 15x15 mm
Optical image
Area: 600x600 mm
Measuring fresh leaf surface
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AFM topographic image
Area: 8x8 mm
Optical image
Area:900x900 mm
Measuring data tracks on a
DVD disk
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22
AFM Measurement
3D printer
Nano topography data 3D “Solid data”
New idea!
Science project demonstration
AFM data & 3D printing
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DIY AFM Laser microscope mode
Imaging astrocytes
1000X OM phase contract image
with Oil lens (Contrast: 0.143) Laser microscope mode (Contrast: 0.224)
10 mm 10 mm
Wesley W. HSIAO,Hsien-Shun LIAO,Hsing-Hung LIN, Yueh-Lun LEE, Chia-Kwung FAN, Chien-Wei LIAO, Po-Yen LIN, En-Te HWU,
and Chia-Seng CHANG , Analytical Sciences, 29(9), 885 (2013)
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 25: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/25.jpg)
LEGO2NANO Summer school
14~28th August 2015
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Reinvent the DIY AFM
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 32: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/32.jpg)
Air pollution (PM 2.5) particles found
on the DVD data tracks in Beijing
Diameter ~2,300 nm (PM2.5)
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Outline
• Different microscopes for different scales
• Hands-on learning: DIY AFM
• Microscope for children
• Lifelong learning: LEGO2NANO summer school
• Air pollution (PM 2.5) particles detection
• Online science participation: Crowdcrafting
![Page 34: En-Te-Hwu (Academia Sinica, Taiwan) - DIY Atomic Force Microscope & Lifelong learning](https://reader034.vdocuments.mx/reader034/viewer/2022052418/587b53a91a28abff1a8b6579/html5/thumbnails/34.jpg)
Crowdcrafting and maybe EpiCollect
BY Daniel Lopez Martinez @ LEGO2NANO 2015 SUMMER SCHOOL
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Thank you !!