scalable printing of nano and microscale sensors and ......Ø current electronics and 3d prin5ng...
TRANSCRIPT
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Scalable Printing of Nano and Microscale Sensors and Electronics
Ahmed Busnaina, Distinguished University Professor,
William Lincoln Smith Professor and Director, NSF Nanoscale Science and Engineering center for
High-rate Nanomanufacturing
Northeastern University, Boston, MA, USA
www.nanomanufacturing.us
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Financial and Environmental Cost
Commercial electronics manufacturing is still expensive, with fabs costing up to 15 billions and requiring massive quantities of water and power.
2
Motivation: Cost
1990s - $1B-$2B 2015 - $15B
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Can we print any material on any substrate? Motivation: Versatility
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IoThasfivekeyver.cals:ConnectedWearableDevices,ConnectedCars,ConnectedHomes,ConnectedCi5es,andtheIndustrialInternet.
• Wearables
• Connected Cars
• Connected Homes
• Connected Cities
• Industrial Internet
TheIoTcanonlybeenabledbybreakthroughsinthecostofubiquitoussensorsforcollec.ngandsharingdata
Motivation: IoT Opportunities
The Goldman Sachs Group, Inc. Global Investment Research (2014)
The four industrial revolutions & Industry 4.0; Industrial Internet
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Wearable technology: Impact and Forecasts
MarketSectorSize/$Billions 2015 2016 2020 2025Health,Medical,Fitness,Wellness-Regulated 8.92 9.61 14.6728.49Health,Medical,Fitness,Wellness-UnRegulated 1.61 1.78 1.43 1.01Infotainment 11.6114.2419.0020.89Industrial,Commercial,Military 1.37 1.71 4.22 7.58Fashion&Other 0.70 0.79 2.57 6.31TOTALinBillions 24.2128.1341.8964.28
Ø The strongest sectors will be health and fitness devices (largest growth) and infotainment (largest size).
Ø Infotainment is likely to suffer from heavy commoditization, similarly to the large, stagnant basic infotainment sectors (including simple accessories like headphones, and basic wristwatches).
• Source: IDTechEx report “Wearable Technology 2015-2025”www.IDTechEx.com
• Copyright © 2015 IDTechEx | www.IDTechEx.com
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Printing Sensors and Electronics
The IoT can only be enabled by breakthroughs in the cost of ubiquitous sensors and Electronics.
This could be accomplished by
What about the current electronics printing
industry?
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Ø Currentelectronicsand3Dprin5ngusinginkjettechnology,usedforprin5nglow-endelectronics,flexibledisplays,RFIDs,etc.andcanonlyprintdownto20microns(20,000nanometers).
Ø 20micronswasthesiliconelectronicslinewidthin1975.Ø Evenwiththesescalelimita5ons,currentlyprintedsensorcost10to
1005meslessthanconven5onallyfabricatedsensors.
State of the Art - Printing Technologies
Ø Can print only one layer Ø The largest printed
sensors market is about $6 billion (mostly blood glucose strips) (IDTechEx).
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TheNSFCenterforHigh-rateNanomanufacturinghasdevelopedthetechnologytoprintselectronics
with20nmminimumlinewidthorsmaller.
How can electronic printing leap from 1975 to Today?
Ø Forprintedelectronicsanddevicestocompetewithcurrentsilicon-basednanoandmicroscaleelectronics,ithastoprintnanoscalefeaturesat:
Ø ordersofmagnitudesfasterthaninkjetbasedprintersand
Ø costshouldbefrac.onofthecurrentcostformakingsilicon-basedelectronics
However, is nanoscale printing alone enough?
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Beyond 3-D & Electronic Printing: Nanoscale Offset Printing Advantages
Ø Additive Ø High throughput
Ø Prints down to 20nm Ø Room temperature and pressure
Ø Prints on flexible or hard substrates
Ø Multi-scale; nano to macro
Ø Material independent
Ø Very low energy consumption
Ø Very low capital investment
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W�SiO2�
Damascene Templates for Nanoscale Offset Printing
Silicon-based Hard Templates
PEN� PI�Polymer-based Templates
Assembled SWNT � Assembled Particles�
Advanced Materials, 2015�
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The world’s first Nanoscale Printing System for electronics and sensors.
The World’s First Nanoscale Printer for Electronics Awards and Publicity
NanoOPS(Includes(Six(Modules:((1.(Hexagon(Frame(Module((2.(Template(Load(Port(Module((3.(Directed(Assembly(Module((4.(Mask(Aligner(Module((5.(Transfer(Module((6.(Template(Load(Port(Module(
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2
3
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Printed Electronics Conf., Berlin 2016
1000 times faster printing with a 1000 times smaller features than inkjet or 3D printing.
NanoOPS Videos on Youtube: From Lab to Fab: Pioneers in Nano-Manufacturing: https://www.youtube.com/watch?v=tZeO9I1KEec NanoOPS at Northeastern University: https://www.youtube.com/watch?v=2iEjIcog774
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NanoOPS(Includes(Six(Modules:((1.(Hexagon(Frame(Module((2.(Template(Load(Port(Module((3.(Directed(Assembly(Module((4.(Mask(Aligner(Module((5.(Transfer(Module((6.(Template(Load(Port(Module(
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Fully Automated Nanoscale Offset Printing System (NanoOPS) Prototype was Demonstrated on 9/17/2014 to 58 companies
Ø NanoOPS is capable of printing using templates with micro and nanoscale patterns (down to 20nm).
Ø Integrated registration and alignment.
NanoOPS Videos on Youtube: From Lab to Fab: Pioneers in Nano-Manufacturing https://www.youtube.com/watch?v=tZeO9I1KEec NanoOPS at Northeastern University https://www.youtube.com/watch?v=2iEjIcog774 NanoOPS - A Nanomanufacturing Breakthrough https://www.youtube.com/watch?v=J4XupF3Zt5U
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Second Generation NanoOPS Printers
The second generation NanoOPS printer is already being built. It will have the ability to print nanoscale sensors and electronics on any polymer substrate. Fully automated with built-in alignment and registration, inspection and annealing.
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Nanoscale Science�
Directed Assembly and
Transfer
Energy Electronics
Flexible Electronics
CNTs for Energy Harvesting
Assembly of CNTs and NPs for Batteries
What%Could%We%manufacture%with%Mul4scale%Offset%Prin4ng?%
SWNT & NP Interconnects
SWNT NEMS & MoS2 devices
Multi-biomarker Biosensors
10 µm
Drug Delivery
Antennas, EMI Shielding, Radar, Metamaterials
Materials Bio/Med
2-D Assembly of Structural Apps.
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Functionalized SWNTs�
4 µm
250 µm�
Band-Aid sensor
Sensors for Chemicals
Sensors for E. coli bacteria, viruses, and other pathogens
Supporting printed
electronics for sensor systems
Sensors and Electronics at a Fraction of their Current Cost
Cancer and cardiac
diseases. Detection limit
is 200 times lower than
Current technology
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Electronics
Applications
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Ø Flexible transparent n-type MoS2 transistors
Ø Heterogeneous SWNTs and MoS2 complimentary invertors through assembly
1 µm
100 nm
SWNTs
MoS2
Electronics
Ø Rose Bengal Molecular Doping of CNT Transistors Nanotechnology, Vol. 23, (2012).
Nanotechnology, Vol. 22, (2011)
Appl. Phys. Lett. 97, 1 2010.
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Sensors
Applications
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Sensor Manufacturing Major Issues Ø Printing (Manufacturing)
Ø Scalability, reproducibility, raw material (supply chain), yield and life cycle.
Ø Packaging (is it supposed to deliver liquids to the sensor?)
Ø Sensor system (supporting electronics)
Ø Sensors Ø Specificity
Ø Repeatability and stability (from batch to batch and in different environments)
Ø Regeneration (how many times a sensor could be used?)
Ø Response time
Ø Signal Strength (how much stronger than background noise?)
Ø Testing and characterization Protocols
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Chemical Sensors
• Developed, fabricated and tested a micro-scale robust semiconducting SWNT based sensor for the detection of H2S, simple alkanes, thiol, etc.
• Working in harsh environment (200oC; 2500Psi).
• Specific in various environments (N2, Air, Water vapor, Water, alkanes, etc.)
• Resistance based operation • Simple inexpensive 2-terminal device
High sensitivity ~ppm.
AuContactPads
5µm
3µm
1µm
Assembled
SWNTs
Auelectrodes
Functionalized SWNT Chemical sensor
Wire bonded probes SWNTs
Analyst, 138, December 2013, Issue 23.
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Chemical Sensors
SEM images setup for assembled SWCNT array devices. (e) An optical image of wafer scale sensor devices. (f) Chemical structure of TEMPO molecules. (g) Real-time current changes as a function of conc. H2S gas at 10, 25, 50, 75 and 100 ppm for the functionalized SWCNT sensor.
Analyst, 138, December 2013, Issue 23, pp.7206-7211
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Ø Current Sensors are large and consume more energy Ø Most sensors are not wearable, flexible or wireless
Weight: 0.000220462 lbs
Functionalized SWNTs�
4 µm
250 µm�
Our “Band-Aid” sensor uses sweat or tears to detect glucose. And can be used to detect viruses, bacteria, cancer, etc.
Our Chemical Hydrogen Sulfide (H2S) Sensors
Commercial Glucose Sensors use blood
Commercial Chemical Hydrogen Sulfide (H2S) Sensors
How does state of the art compares?
Commercial Sensors The Sensors developed by the CHN
Weight: 4.15 lbs Weight: 5.5 lbs
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Primary Ab
Secondary Ab Fluorescent tag
Protein of interest
Fc of Ab
Entrenched nanoparticle
Biolom Platform Technology Solution
23
Langmuir Journal, 27, 2011 and Lab on a Chip Journal, 2012 US Patents: Multiple biomarker biosensor: (US 2011/0117582 A1), 2 more patents pending Funded by the Keck Foundation, PIs: Ahmed Busnaina and Vladimir Torchilin
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24
Experiments with Tumor Bearing Mice CONTROL DAY 1 DAY 3 DAY 7
Bright field image
Fluorescence image
Processed imaged
a
c b
1 3 7
(a )Optical images (b) results showing early detection of CEA relative to (c) ELISA test. ELISA was not able to detect CEA in tumor bearing mice
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in-vivo biosensor (0.1 mm x 0.1 mm)
Tested for detected with biomarkers for prostate (PSA), colorectal (CEA), ovarian (CA125) and cardiac diseases.
Detection limit: 15 pg/ml Current technology detection limit is 3000 pg/ml
Publications: Langmuir Journal, 27, 2011 and Lab on a Chip Journal, 2012 US Patents: Multiple biomarker biosensor: (US 2011/0117582 A1), 2 more filed patents
ü Multiple-biomarker detection ü High sensitivity ü Low cost ü Low sample volume ü In-vitro and In-vivo testing
Cancer and Cardiac Disease Biosensors
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Flexible CNT Bio Sensors for Glucose, Urea and Lactate in Sweat or Tears
2 µm�200 nm�
Functionalized SWNTs� Gold�
PEN�
4 µm�250 µm�
1 µm�
200 nm�
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Stability of D-glucose/L-lactate/urea detections (2~4 weeks)
D-glucose (mM)
0 4 8 12 16 20
Cu
rren
t (µ
A)
0.00
0.03
0.06
0.09
0.12
1st day
3rd day
6th day
8th day
10th day
12th day
14th day
Urea (mg/dL)
0 10 20 30 40 50
Curre
nt (µ
A)
0.00
0.05
0.10
0.15
0.20
1st day
2nd day
3rd day
6th day
8th day
9th day
13th day
14th day
Time (s)
0 60 120 180 240 300 360
Cur
rent
(µA
)
0.00
0.03
0.06
0.09
0.12
1st day3rd day6th day8th day10th day12th day14th day
Time (s)
0 60 120 180 240 300 360
Curr
ent (µ A
)
0.00
0.05
0.10
0.15
0.20
1st day2ndday3rd day6th day8th day9th day13th day14th day
(A) D-glucose� (B) L-lactate� (C) Urea�
Lactate (g/L)
0.0 1.0 2.0 3.0 4.0 5.0C
urre
nt (µ
A)
0.00
0.04
0.08
0.12
0.16
0.20
1st day
2nd day
3rd day
7th day
8th day
9th day
11th day
13th day
16th day
18th day
20th day
22th day
Time (s)
0 60 120 180 240 300 360
Cur
rent
(µA
)
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
1st day2nd day3rd day7th day8th day9th day11th day13th day16th day18th day20th day22th day
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Glucose Detection in Sweat�Mediator-free 3rd generation sensors
Glucose detection from Sweat
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0.00E+00
5.00E-03
1.00E-02
1.50E-02
2.00E-02
2.50E-02
3.00E-02
0 2 4 6 8 10 12 14 16 18 20
∆I/Io
Concentra5on(mM)
InterBatchSensi5vity
Batch2
Batch3
Bacth1
Ø Varia5onininter-batchsensi5vityhasmul5plereasons,includingdifferenceinCNTassembly,func5onaliza5on,andthethicknessofthePpy\mediatorlayeraffecttheerrormargin.
Inter-BatchSensi.vityforSweat-basedLactateSensor
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Log adenovirus conc.(pfu/ml)0 1 2 3 4 5 6
ΔR
/R0
0.0
0.2
0.4
0.6
0.8
1.0
1st day
3rd day
5th day
8th day
Log (E. coli conc. cfu/ml)0.0 1.0 2.0 3.0 4.0 5.0
ΔR
/R0
0.0
0.2
0.4
0.6
0.8
1.0
Oxytetracycline (µg/L)
0 50 100 150 200 250
ΔR/ R0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Ø Sensors work in both air and liquid environments
Ø Very high specificity Ø Very high repeatability Ø Possible regeneration Ø Instantaneous response
CNTSensorsforViruses,Bacteria,An.bio.csinWater
Prof. April Gu’s Group
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Summary
Ø Printing nano and micro electronics costs 10 to 100 times less than conventional fabrication.
Ø Prints a 1000 times faster and 1000 times smaller circuits than inkjet or 3D printing.
Ø Electronics are printed at ambient temperature and pressure, on any rigid or flexible substrate, using any conductive, semiconducting or insulating materials (organic or inorganic).
Ø Other benefits of printed electronics and sensors are: sustainable manufacturing, improved performance, flexibility, transparency and the use of new materials, etc.
Ø Printed sensors have been shown selectivity, specificity and quick response for the detection of glucose, lactate, urea, viruses, bacteria, antibiotics, H2S, Methane, NOx, etc.
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Summary
Ø The NanoOPS printer is at a TRL 7 and MRL 7.
Ø The printed sensors are at a TRL 6 and a MRL 6.
Ø 35 patents (20 awarded) that cover the printing process, sensors and electronics.
Ø Our start-up Nano OPS, Inc. is making nano and micro scale printers available to industry and research labs.
Ø The company is developing wireless and wearable sensors prototypes (including electronics and software) for licensing.
Ø Currently, printing wireless sensors prototypes for small, medium and multi billion dollar corporations.
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Prof. Ahmed Busnaina Northeastern University [email protected] www.neu.edu/nano www.nanomanufacturing.us