Effect of the short collection length in silicon microscale wire solar cells

Hyunyub Kim, Joondong Kim, Eunsongyi Lee, Dong Wook Kim, Ju Hyung Yun, Junsin Yi

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Electrical and optical properties of silicon microscale wire (SiMW) solar cells were investigated. Diverse designs were applied for SiMW geometries as light absorbers. Finite-difference time-domain simulation shows a focused optical field in the wires inducing an optical absorption enhancement in SiMW solar cells. SiMW solar cells provided remarkably higher Voc values (0.597-0.61 V) than that of the planar solar cell (0.587 V). As for the electrical aspects, the position of the space charge region in a SiMW directly affects the carrier collection efficiency according to the SiMW diameter and significantly modulates the photogenerated-currents and voltages in solar cells.

Original languageEnglish
Article number193904
JournalApplied Physics Letters
Issue number19
StatePublished - 13 May 2013

Bibliographical note

Funding Information:
The authors acknowledge the financial support of the Korea Institute of Energy Technology Evaluation and Planning grant funded by the Ministry of Knowledge and Economy (KETEP-20113030010110) and the Converging Research Center Program through the Ministry of Education, Science and Technology (MEST, 2012K001278).


Dive into the research topics of 'Effect of the short collection length in silicon microscale wire solar cells'. Together they form a unique fingerprint.

Cite this