
Better than Air:
Solid-Air Multilayer for Thermal Insulation
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Invented low cost and resilient ultra-thermal insulation technology based on solid-air multilayer structure
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Achieved better-than-air robust thermal insulation with free-standing and nano-patterned nanofilms based meta-structure
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Initiated the idea of utilizing electrical repulsion force to suspend thousands of layers of nanofilms
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Conducted kinds of thermal transfer, mechanical, optical measurements
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Realized precise surface potential control of dielectric materials; manufactured triboelectrification based energy harvesters


Advanced Packaging Technology
for Harsh Environment and
Flexible Electronics
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Invented the idea of utilizing bimetallic nanoparticles to realize low temperature interconnection of high temperature survival 3rd generation electronics
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Realized phase transition induced nanocrystallization of bi-metallic at atomic level with in situ TEM, overcame the brittleness of the bulk by inverse Hall-Petch phenomenon, which is revolutionary in metallography
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Realized interconnect of SiC MOSFET devices with high conductance and reliability
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Developed universal solder for interconnection and packaging of optical devices for NASA

Ultra-Fast R2R Printing of Highly-Sensitive Skin-Like Multifunctional Flexible Sensors
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Developed ultra-fast R2R mass production technology for flexible and high performance skin-like sensors
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Synthesized graphene, CNT, Ag NWs, thermal/light sensitive nanomaterials as sensing components
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Patterned various kinds of functional nanomaterials on the skin-like substrate for multi-functionalization
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Realized simultaneous monitoring of strain/stress, temperature, humidity, and light within one sensor
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Conducted human motion/health monitoring, skin-like sensing and ear-drum mimicking

In situ Manufacturing of High-performance Structural Components
in Space and on Earth
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Realized in situ additive manufacturing of ultra-strong Martian bricks without utilizing artificial additives
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Manufactured ultralow-binder-content high-performance Lunar cement through additive manufacturing
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Transferred the in situ space manufacturing concept back on earth and developed ultralow-binder-content green cement to reduce CO2 emission and construction energy consumption
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Initiated the idea of compositing wasted carbon into green cement to realize recycle and waste mitigation

Reversible and Adaptive Smart Textiles for Personalized Thermoregulation
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Overcame the problem of lack of sensitivity or reversibility of conventional temperature responsive materials
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Realized personalized thermoregulation by automatic and reversible human perspiration control
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Designed various smart 3D textile structures to adapt to different climate and reduce energy consumption
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Reduced the energy consumption of buildings
Efficient disinfection solutions to combat PPE and disinfectant shortage during the COVID-19 pandemic (NSF RAPID)

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COVID-19 pandemic has led to extreme shortage of masks
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Filtration efficiency of masks deteriorates after times of reuse, loss of electrostatic charges is one of the major reasons
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Our technology can disinfect and recharge masks simultaneously
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Achieved controllable disinfection log reduction from 1 to 6
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Can fully recharge masks, N95 masks keep filtration efficiency ~95% after 15 times of treatment