SRE² Lab Experimental Infrastructure

World-Class Research Facilities & Advanced Instrumentation

Our laboratory is equipped with state-of-the-art platforms for continuous nanofiber electrospinning, sub-femtoamp electrometer characterization, broadband impedance analysis, and multi-modal dynamic mechanical testing—empowering breakthroughs in sustainable energy harvesting, smart skins, and self-powered systems.

12+
Core Instruments
Synthesis, testing & diagnostics
< 0.1 fA
Keithley Sensitivity
Sub-femtoamp current resolution
8 MHz
Broadband LCR
High-frequency impedance analysis
Multi-Modal
Motion & Stimuli
Cyclic linear motor actuation
Electrical Characterization
#01
Hioki IM3536 LCR Meter
Inspect Instrument

Hioki IM3536 LCR Meter

High-precision broadband LCR meter engineered for accurate capacitance, resistance, impedance spectroscopy, and inductance analysis in flexible electronic devices, smart skin, and functional energy materials.

Key Performance & Capability

DC & 4 Hz to 8 MHz frequency range · 0.05% basic accuracy · 1 ms high-speed measurement

Smart Skin & SensorsImpedance SpectroscopyDielectric AnalysisTENG/PENG
Nanofiber Fabrication
#02
Electrospinning System
Inspect Instrument

Electrospinning System

Advanced electrospinning platform for synthesizing continuous polymeric micro- and nanofibers, high-surface-area porous functional membranes, and piezoelectric/triboelectric polymer scaffolds for wearable energy devices.

Key Performance & Capability

High-voltage DC generator · Precision syringe pump · Environmental control enclosure

Nanofiber MatsPENG/TENG ScaffoldsPorous DielectricsFlexible Sensors
Electrochemical Workstation
#03
Multichannel Potentiostat / Galvanostat
Inspect Instrument

Multichannel Potentiostat / Galvanostat

High-precision electrochemical workstation for comprehensive cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS) of advanced energy storage systems and biosensors.

Key Performance & Capability

Multi-channel synchronized testing · CV, GCD, EIS analysis · Sub-picoamp resolution

SupercapacitorsElectrochemical SensorsBattery TestingCyclic Voltammetry
Signal Generation & Dynamics
#04
Function Wave Generator
Inspect Instrument

Function Wave Generator

Versatile signal generator producing programmable sine, square, ramp, and arbitrary waveforms for dynamic sensor characterization, AC excitation, and self-powered electronics evaluation under controlled frequencies.

Key Performance & Capability

Arbitrary waveform synthesis · Micro-Hz frequency resolution · Ultra-low distortion output

Sensor ExcitationFrequency ResponseWearable TestingPulse Simulation
Mechanical Motion Simulator
#05
Linear Motor Actuation System
Inspect Instrument

Linear Motor Actuation System

Precision programmable linear motor actuation system providing repeatable mechanical stimuli, periodic pressing, sliding, and vibration testing for energy harvesting devices and tactile sensors.

Key Performance & Capability

Programmable stroke length & acceleration · Continuous frequency tuning · High-cycle durability

TENG/PENG TestingTactile StimulationCyclic DurabilityMechanical Stimuli
Ultra-Low Signal Measurement
#06
Keithley 6517B Precision Electrometer
Inspect Instrument

Keithley 6517B Precision Electrometer

Research-grade electrometer and high-resistance meter engineered for accurate characterization of ultra-low currents, weak electrostatic charges, surface potentials, and ultra-high-resistance functional nanomaterials.

Key Performance & Capability

Sub-femtoamp (< 0.1 fA) current resolution · > 200 TΩ input impedance · ±1000V built-in source

Sub-Femtoamp CurrentSurface ChargeUltra-High ResistanceTriboelectric Output
Waveform Analysis
#07
Digital Storage Oscilloscope (ADS-1022B)
Inspect Instrument

Digital Storage Oscilloscope (ADS-1022B)

High-performance measurement instrument for real-time observation and transient analysis of generated open-circuit voltages, pulse dynamics, and instantaneous sensor response waveforms under real-world mechanical stimuli.

Key Performance & Capability

High-speed real-time sampling · Deep memory waveform capture · Multi-channel transient analysis

Transient SignalsOpen-Circuit VoltagePulse DynamicsCircuit Verification
Portable Testing & Diagnostics
#08
GW INSTEK LCR-916 Handheld LCR Meter
Inspect Instrument

GW INSTEK LCR-916 Handheld LCR Meter

Fast handheld testing instrument measuring capacitance, resistance, inductance, ESR, and dissipation factor for rapid on-bench sensor screening, field testing, and on-site prototyping validation.

Key Performance & Capability

Dual numeric display · 0.5 s rapid reading rate · Auto LCR mode · USB PC connectivity

Portable ScreeningCapacitive SensorsRapid DiagnosticsESR Testing
Power & Biasing
#09
AATECH ADC-3303D Regulated DC Power Supply
Inspect Instrument

AATECH ADC-3303D Regulated DC Power Supply

Dual-channel adjustable DC power source providing stable, low-noise regulated voltage and current for device testing, active sensor biasing, power management circuit prototyping, and battery charging emulation.

Key Performance & Capability

Dual-channel independent outputs · Low ripple & noise · Digital LED voltage/current readout

Precision BiasingCircuit PowerLow-Noise RegulationLaboratory Testing
Diagnostic Testing
#10
Electronic Fault Detector & EFLVI Tester
Inspect Instrument

Electronic Fault Detector & EFLVI Tester

Specialized diagnostic instrument for rapid identification of internal electrical faults, interfacial contact integrity, micro-crack detection, and line continuity testing across multi-layer flexible devices.

Key Performance & Capability

Multi-lead diagnostic interface · Micro-fault isolation · Interfacial continuity checking

Fault DiagnosisCircuit IntegrityMicro-Crack DetectionDevice Screening
Benchtop Multimeter
#11
AA Tech ADM-3055 Digital Multimeter
Inspect Instrument

AA Tech ADM-3055 Digital Multimeter

High-accuracy benchtop digital multimeter for high-precision DC/AC voltage, current, 4-wire resistance, frequency, and diode characterization across experimental energy harvesting setups.

Key Performance & Capability

5.5-digit resolution · True-RMS measurement · 4-wire high-accuracy resistance sensing

True-RMS Sensing4-Wire ResistanceBench DiagnosticsSystem Calibration
Prototyping & Assembly
#12
Device Fabrication & Prototyping Bench
Inspect Instrument

Device Fabrication & Prototyping Bench

Comprehensive laboratory workstation dedicated to the fabrication, manual micro-assembly, electrolyte dispensing, electrode layering, and protective encapsulation of functional flexible devices and smart skins.

Key Performance & Capability

Anti-static ESD protection · Precision micro-assembly tools · Controlled chemical encapsulation

Device AssemblySensor PrototypingElectrode LayeringEncapsulation
Joint Inquiries & Characterization

Facility Access & Collaborative Research

Our instrumentation is accessible for joint academic research, industrial characterization inquiries, and cross-institutional collaborations. We welcome international researchers, graduate students, and industry partners.