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Title: Space charge trap-assisted recombination suppressing layer for low-voltage diode operation

Abstract

Shockley-Read-Hall (SRH) generation and/or recombination in heterojunction devices is suppressed by unconventional doping at or near the heterointerface. The effect of this doping is to shift SRH generation and/or recombination preferentially into the wider band gap material of the heterojunction. This reduces total SRH generation and/or recombination in the device by decreasing the intrinsic carrier concentration ni at locations where most of the SRH generation and/or recombination occurs. The physical basis for this effect is that the SRH generation and/or recombination rate tends to decrease as ni around the depletion region decreases, so decreasing the effective ni in this manner is a way to decrease SRH recombination.

Inventors:
;
Issue Date:
Research Org.:
Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
2222039
Patent Number(s):
11715809
Application Number:
17/358,980
Assignee:
The Board of Trustees of the Leland Stanford Junior University (Stanford, CA)
DOE Contract Number:  
SC0001293; SC0019140
Resource Type:
Patent
Resource Relation:
Patent File Date: 06/25/2021
Country of Publication:
United States
Language:
English

Citation Formats

Santhanam, Parthiban, and Fan, Shanhui. Space charge trap-assisted recombination suppressing layer for low-voltage diode operation. United States: N. p., 2023. Web.
Santhanam, Parthiban, & Fan, Shanhui. Space charge trap-assisted recombination suppressing layer for low-voltage diode operation. United States.
Santhanam, Parthiban, and Fan, Shanhui. Tue . "Space charge trap-assisted recombination suppressing layer for low-voltage diode operation". United States. https://www.osti.gov/servlets/purl/2222039.
@article{osti_2222039,
title = {Space charge trap-assisted recombination suppressing layer for low-voltage diode operation},
author = {Santhanam, Parthiban and Fan, Shanhui},
abstractNote = {Shockley-Read-Hall (SRH) generation and/or recombination in heterojunction devices is suppressed by unconventional doping at or near the heterointerface. The effect of this doping is to shift SRH generation and/or recombination preferentially into the wider band gap material of the heterojunction. This reduces total SRH generation and/or recombination in the device by decreasing the intrinsic carrier concentration ni at locations where most of the SRH generation and/or recombination occurs. The physical basis for this effect is that the SRH generation and/or recombination rate tends to decrease as ni around the depletion region decreases, so decreasing the effective ni in this manner is a way to decrease SRH recombination.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 01 00:00:00 EDT 2023},
month = {Tue Aug 01 00:00:00 EDT 2023}
}

Works referenced in this record:

Thermo-electrically pumped light-emitting diodes
patent, February 2019


Phonon-recyling light-emitting diodes
patent, January 2017


Design for enhanced thermo-electric pumping in light emitting diodes
journal, September 2013