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Title: Nanostructured silicon substrates of nanopore morphology for buffer-layer free nanoheteroepitaxial growth of InP films

Journal Article · · CrystEngComm
DOI:https://doi.org/10.1039/c9ce01046g· OSTI ID:1799300
ORCiD logo [1];  [2];  [2]
  1. nLiten Energy Corporation, Mountain View, CA (United States); Arizona State Univ., Tempe, AZ (United States). School of Electrical, Computer, and Energy Engineering
  2. Arizona State Univ., Tempe, AZ (United States). School of Electrical, Computer, and Energy Engineering

To reduce the cost of III–V solar cells, a buffer-layer free method of depositing high-quality III–V thin films onto low-cost silicon nanostructured substrates is proposed that is enabled by stress relaxation due to the nanopore morphology of the silicon substrate. As a proof-of-concept test of the proposed method, the nanoheteroepitaxial deposition of high quality InP thin film is examined. By comparing the deposition of InP (under conditions optimized for InP deposition onto InP substrates) onto nanostructured Si(100) substrates with nanopore and nanopillar morphologies, the morphology of nanopores is found to be preferred for the nanoheteroepitaxial deposition of InP films.

Research Organization:
nLiten Energy Corporation, Mountain View, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
Grant/Contract Number:
EE0007369
OSTI ID:
1799300
Alternate ID(s):
OSTI ID: 1560331
Journal Information:
CrystEngComm, Vol. 21, Issue 37; ISSN 1466-8033
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 1 work
Citation information provided by
Web of Science

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Room-temperature InP/InGaAs nano-ridge lasers grown on Si and emitting at telecom bands journal January 2018
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GaAs on Si epitaxy by aspect ratio trapping: Analysis and reduction of defects propagating along the trench direction journal September 2015
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journal January 2000
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GaAs/Ge crystals grown on Si substrates patterned down to the micron scale journal February 2016

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