TY - JOUR
T1 - A New Concept and Strategy for Photovoltaic and Thermoelectric Power Generation Based on Anisotropic Crystal Facet Unit
AU - Li, Yang
AU - Luo, Kai
AU - Tao, Ran
AU - Wang, Zhiyong
AU - Chen, Daifen
AU - Shao, Zongping
N1 - Publisher Copyright:
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2020/7/1
Y1 - 2020/7/1
N2 - According to the classic concept of photovoltaic devices, p–n junctions and heterojunctions are indispensable for carrier separation. Herein, for the first time, a novel concept of “anisotropic crystal facet unit” is put forward and clarified for photovoltaic and thermoelectric power generation. Specifically, an “anisotropic crystal facet unit” in monocrystalline p-Cu2O between the {100} and the {111} crystal faces is built, which can fulfill self-motivated carrier separation, due to their natural energy difference. The “anisotropic crystal facet unit” devices can directly and efficiently convert light and heat into electricity, where the {100} and the {111} faces act as the cathode and the anode, respectively. Moreover, hot and cold regions are unnecessary when the “anisotropic crystal facet unit” is applied in thermoelectric conversion. These findings may update the understanding of solar cells and thermoelectric cells, and blaze a new trail through the development of efficient and low-cost energy utilization technologies.
AB - According to the classic concept of photovoltaic devices, p–n junctions and heterojunctions are indispensable for carrier separation. Herein, for the first time, a novel concept of “anisotropic crystal facet unit” is put forward and clarified for photovoltaic and thermoelectric power generation. Specifically, an “anisotropic crystal facet unit” in monocrystalline p-Cu2O between the {100} and the {111} crystal faces is built, which can fulfill self-motivated carrier separation, due to their natural energy difference. The “anisotropic crystal facet unit” devices can directly and efficiently convert light and heat into electricity, where the {100} and the {111} faces act as the cathode and the anode, respectively. Moreover, hot and cold regions are unnecessary when the “anisotropic crystal facet unit” is applied in thermoelectric conversion. These findings may update the understanding of solar cells and thermoelectric cells, and blaze a new trail through the development of efficient and low-cost energy utilization technologies.
KW - anisotropic crystal facet unit
KW - photovoltaic
KW - sustainable energy
KW - thermoelectric
UR - http://www.scopus.com/inward/record.url?scp=85085617249&partnerID=8YFLogxK
U2 - 10.1002/adfm.202002606
DO - 10.1002/adfm.202002606
M3 - 文章
AN - SCOPUS:85085617249
SN - 1616-301X
VL - 30
JO - Advanced Functional Materials
JF - Advanced Functional Materials
IS - 28
M1 - 2002606
ER -