Ambient-Stable n-Type Carbon Nanotube/Organic Small-Molecule Thermoelectrics Enabled by Energy Level Control
Source abstract
Abstract
The stability of n-type organic and hybrid thermoelectric materials is limited in terms of their practical application to p–n parallel thermoelectric devices. We demonstrate the ambient stability of an n-type single-walled carbon nanotube/organic small-molecule (SWNT/OSM) hybrid by deepening the lowest occupied molecular orbital energy level. This hybrid exhibited the best figure of merit (0.032) among n-type SWNT/OSM hybrid thermoelectrics and an enhanced power factor of 291.0 μW m –1 K –2 . Furthermore, we observed that the n-type thermoelectric stability of a hybrid of SWNT and pip containing two N -ethylpiperidinyl groups on both sides of a naphthalenediimide core was retained at 87% over 7 months (220 days) under ambient conditions without encapsulation.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Thermoelectric Materials and Devices · Thermal properties of materials · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, Seoul National University, Seoul 08826, Korea
Department of Carbon Convergence Engineering, Wonkwang University, Iksan 54538, Korea
Funding
Ministry of Education · National Research Foundation of Korea
References (46)
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