Home Products Fluorenscence Spectroscopy Series SOLARIUM-L Comprehensive Spectroscopy System for Perovskite Materials/Devices

Comprehensive Spectroscopy System for Perovskite Materials/Devices

SOLARIUM-L

Multi-functional imaging including high-precision PL/EL intensity, emission spectroscopy, time-resolved PL, PLQE, QFLS, and quasi-J-V.

High-resolution photocurrent/ photovoltage imaging.

Optional laser/sample scanning.

Compatibility with high-voltage and low-temperature modules.

Integrated control software for both data acquisition and analysis.

Compatible Samples: Silicon/perovskite/silicon-perovskite tandem solar cells and thin-ﬁlm.

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SPECIFICATIONS

Detection Function

Single-junction Solar Cell	True J-V, Suns-PL (Pseudo-J-V), Voc, Jsc, MPP, PL/TRPL
Single-junction Solar Cell		PL intensity/lifetime, iVoc, PCE, FF, Rs, PLQE, QFLS, Photovoltage/photocurrent imaging
Tandem Solar Cell	True J-V characteristics of tandem solar cells, Sub-cell Suns-PL, Pseudo-J-V, Voc, Jsc, MPP, PL/TRPL, EL
Tandem Solar Cell		PL spectroscopy/intensity/lifetime imaging, iVoc, PCE, FF, RSH, PLQE, QFLS imaging

Light Source Configuration


Wavelength	LED	450 nm, 532 nm, 850 nm, 900 nm (Standard conﬁguration 450 and 850 nm)
	Picosecond laser	405 nm, 450 nm, 532 nm, 780 nm, 808 nm, 850 nm
Optical Dynamic Range	LED	0.01 - 1.5 suns

Other Parameters

Max single image size (wide-field)	≤ 2x2 cm2
Spectral Resolution	0.14 nm @ 300 mm focal length monochromator,
Spectral Resolution		@1200 grooves/mm grating, @25 μm CCD pixel size
Spectrum Acquisition Time	5 ms (Min.)
Tandem Solar Cell	Wide-Field Imaging	a. High-resolution mode: 1.5 μm/pixel, imaging area < 7 mm²
				b. Standard-resolution mode: 8 μm/pixel, imaging area < 80 mm²
				c. Used for PL/EL intensity, iVOC, PCE, FF, RS, RSH, etc. imaging
Spatial Resolution	CLSM imaging	a. Up to 260 nm spatial resolution (100× oil immersion)
				b. Objectives: 5×, 10×, 20×, 40×, 50×, 60×, 100× air/oil immersion
				c. Used for PL spectral imaging, PLQE, QFLS imaging
TCSPC Module	IRF	≤ 230 ps
		Spectral Range	400-1100 nm (APD)
		Laser Source	375, 405 nm Picosecond Laser

Note: 1. The size, wavelength, and power of the light source can be customized.

The LED area light source supports the integration of three types of light sources simultaneously.

SAMPLE DATA

High-resolution QFLS and PLQE Mapping

Perovskite film QFLS mapping

Perovskite film PLQY mapping

PL spectrum fitting

High-resolution fluorescence intensity/lifetime Mapping

Photocurrent Mapping

EL Intensity Mapping

Pseudo J-V Mapping and Imaging

QFLS-Optical J-V imaging

Silicon/Perovskite Tandem Solar Cell Testing

PL Intensity Imaging

Multi-wavelength integrated light source enables independent PL intensity imaging of sub-cells.

Bright-field image

Perovskite layer PL intensity mapping

Excitation wavelength	450 nm
Collection condition	630 nm long-pass

Si layer PL intensity mapping

Excitation wavelength	825 nm
Collection condition	850 nm long-pass

Pseudo J-V Testing

Enables independent pseudo J-V imaging of silicon and perovskite sub-cells.

Perovskite Layer QFLS Imaging

Perovskite Layer Pseudo-JV

Local enlargement (1)

Si Layer QFLS Imaging

Si Layer Pseudo-JV

Local enlargement (2)

PUBLICATION

Tuning of Optical Emission Colors in a Single Dion–Jacobson 2D Perovskite Microcrystal via Defect Engineering

Jiancong Zheng, Chunyi Zhao, Qiming Zhang, Guiyuan Wu, Xianhai Yang, Xiaoya Liu, Junru Zhou, Xianyi Zhang, Guanxin Yao, Qi Sun, Zhou Lu

Advanced Optical Materials • 2026

Engineering in 2D violet phosphorus/PdSe2 van der Waals heterostructures for advanced optoelectronics

Waqas Ahmad, Majeed Ur Rehman, Qiandong Zhuang, Jinying Zhang, Wen Lei, Zhiming Wang & Yury Illarionov

Communications Materials • 2026

Vacuum–Temperature Synergistic Effects on Phase Stability and Carrier Mobility of Lead-triiodide Perovskites

Chunyi Zhao, Qiming Zhang, Jiancong Zheng, Xianhai Yang, Xiaoya Liu, Yanfeng Yin, Guanxin Yao, Xianyi Zhang, Yang Xiao, Qi Sun, Zhou Lu

The Journal of Physical Chemistry Letters • 2026

Solid-State Crystallization Regulation Enables High-Performance Thermally Evaporated CsPbI2Br Perovskite Solar Cells

Yuanhao Cui, Jixuan Yang, Mengmeng Lu, Na Meng, Junhao Liu, Yuxuan Wei, Yulin Zhang, Ziqiang Wang, Yajing Li, [...], Qingxun Guo, Yonghua Chen

Small • 2026

Fully thermally evaporated perovskite solar cells based on reverse layer-by-layer deposition

Yutian Xu, Kui Xu, Tengfei Pan, Xinwu Ke, Yajing Li, Na Meng, Xiaorong Shi, Junhao Liu, [...], Qingxun Guo, Yingdong Xia, Yonghua Chen & Wei Huang

Nature Photonics • 2026

Bright Thermally Evaporated Red Perovskite Light-Emitting Diodes Enabled by In Situ Defect Passivation

Junhao Liu; Xiaorong Shi; Yajing Li; Yuanhao Cui; Na Meng; Yutian Xu; Ziqiang Wang; Xinwu Ke; Mengmeng Lu; Xue Min; Zhelu Hu; Lingfeng Chao; Yingdong Xia; Kui Xu * Qingxun Guo *

The Journal of Physical Chemistry Letters • 2025

Boosting Efficiency of Fully Thermally Evaporated PeLEDs via Benzylphosphonic Acid-Induced In Situ Crystallization Control and Defect Passivation

Na Meng, Yajing Li, Yu Zhang, Junhao Liu, Ziqiang Wang, Xiaorong Shi, Yutian Xu, Yuanhao Cui, Xinwu Ke, Zhelu Hu, Lingfeng Chao, Kui Xu, Yingdong Xia, Qingxun Guo, Xue Min, Yonghua Chen

Laser & Photonics Reviews • 2025

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SOLARIUM-L

Tuning of Optical Emission Colors in a Single Dion–Jacobson 2D Perovskite Microcrystal via Defect Engineering

Engineering in 2D violet phosphorus/PdSe2 van der Waals heterostructures for advanced optoelectronics

Vacuum–Temperature Synergistic Effects on Phase Stability and Carrier Mobility of Lead-triiodide Perovskites

Solid-State Crystallization Regulation Enables High-Performance Thermally Evaporated CsPbI2Br Perovskite Solar Cells

Fully thermally evaporated perovskite solar cells based on reverse layer-by-layer deposition

Bright Thermally Evaporated Red Perovskite Light-Emitting Diodes Enabled by In Situ Defect Passivation

Boosting Efficiency of Fully Thermally Evaporated PeLEDs via Benzylphosphonic Acid-Induced In Situ Crystallization Control and Defect Passivation

Sequential layer-by-layer deposition for high-performance fully thermal-evaporated red perovskite light-emitting diodes

Room-Temperature Remote Optical Probing of Interlayer Exciton Transport in Van Der Waals Heterostructures

Solubilizing and stabilizing C60 with n-type polymer enables efficient inverted perovskite solar cells

Enhancing Weak Light Detection in Single-Crystalline MAPbI3 Nanowires via Cooling

2D Perovskite/Organic Heterojunction Black-Light Level Photodetector with Record-High Detectivity

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