Characterizing Optoelectronic Device Performance

A modified Bruker Vertex 70 is used for FTPS EQE spectra. The device was connected with the current amplifier (SR570) to amplify the signal from the device. The data is calibrated with the standard Si and Ge detector. SR303i spectrometer is used to measure the EL. The spectrometer is attached with the newton EMCCD-Si and iDus InGaAs array detector. During the measurement, EMCCD was kept at −40 °C and InGaAs detector kept at −60 °C. The bias of the EL measurement was applied on the devices using a Keithley 2400 Source Meter. The spectrum was calibrated with the standard light source. EQE_EL values were obtained from an in-house-built system including a Hamamatsu silicon photodiode 1010B, a Keithley 2400 Source Meter to provide voltage and injected current, and a Keithley 485 Picoammeter to measure the emitted light intensity.

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Jia Z., Ma Q., Chen Z., Meng L., Jain N., Angunawela I., Qin S., Kong X., Li X., Yang Y.(., Zhu H., Ade H., Gao F, & Li Y. (2023). Near-infrared absorbing acceptor with suppressed triplet exciton generation enabling high performance tandem organic solar cells. Nature Communications, 14, 1236.

Publication 2023

Vertex 70

Devices Idus Light Silicon

Corresponding Organization :

Other organizations : Beijing National Laboratory for Molecular Sciences, Chinese Academy of Sciences, Zhejiang University, Linköping University, North Carolina State University, University of Chinese Academy of Sciences

Top 5 similar protocols

Variable analysis

independent variables

Bias of the EL measurement

dependent variables

EQE_EL values
Emitted light intensity

control variables

EMCCD temperature (-40 °C)
InGaAs detector temperature (-60 °C)
Spectrometer (SR303i)
Detectors (Newton EMCCD-Si, iDus InGaAs array)
Current amplifier (SR570)
Keithley 2400 Source Meter
Keithley 485 Picoammeter
Hamamatsu silicon photodiode 1010B
Calibration with standard Si and Ge detector
Calibration with standard light source

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