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Recent progress in indoor organic photovoltaics.

Hwa Sook Ryu¹, Song Yi Park², Tack Ho Lee²

¹Department of Chemistry, Korea University, Seoul 02841, Republic of Korea. hywoo@korea.ac.kr.

|March 5, 2020

Summary

Organic photovoltaics (OPVs) show promise for indoor power generation due to their tunable absorption and efficiency under dim light. This review focuses on optimizing OPV materials and devices for indoor applications, addressing key challenges for enhanced performance.

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Area of Science:

Materials Science
Renewable Energy
Organic Electronics

Background:

Organic photovoltaics (OPVs) offer unique advantages for indoor power generation compared to outdoor solar harvesting.
Indoor light sources possess distinct characteristics, including narrower spectra and significantly lower intensity than solar radiation.

Purpose of the Study:

To review recent advancements in optimizing organic photovoltaic materials and devices for indoor energy harvesting.
To discuss key strategies for improving indoor photovoltaic performance, considering unique indoor light conditions.

Main Methods:

Literature review of recent progress in indoor organic photovoltaics.
Analysis of key challenges and optimization strategies for indoor OPV materials and devices.

Main Results:

OPVs exhibit tunable optical absorption, high absorption coefficients, and low leakage currents, making them suitable for dim indoor lighting.
Optimization requires addressing specific indoor challenges: tailored absorption spectra, high open-circuit voltages, reduced energy loss, minimized charge recombination, and enhanced device stability.

Conclusions:

Organic photovoltaics are a promising technology for indoor power generation.
Further research and development are crucial to overcome specific challenges and fully realize the potential of indoor OPVs.