New Visible Light Absorbing Materials for Solar Fuels, Ga(Sbx)N1-x

Swathi Sunkara; Venkat Kalyan Vendra; Jacek Bogdan Jasinski; Todd Deutsch; Antonis N. Andriotis; Krishna Rajan; Madhu Menon; Mahendra Sunkara

doi:10.1002/adma.201305083

New Visible Light Absorbing Materials for Solar Fuels, Ga(Sbx)N1-x

Swathi Sunkara
, Venkat Kalyan Vendra
, Jacek Bogdan Jasinski
, Todd Deutsch
, Antonis N. Andriotis
, Krishna Rajan
, Madhu Menon
, Mahendra Sunkara

Chemistry and Nanoscience

Research output: Contribution to journal › Article › peer-review

34 Scopus Citations

Abstract

A novel visible-light-absorbing dilute alloy, Ga(Sb_x)N _1-x is synthesized by metal organic chemical vapor deposition (MOCVD) for solar hydrogen production. Significant bandgap reduction of GaN, from 3.4 eV to 1.8 eV, is observed, with a low (2%) incorporation of antimonide, and the lattice expansion is in agreement with our first-principles calculations. The band edges of Ga(Sb_x)N_1-x are found to straddle the water redox potentials showing excellent suitability for solar water splitting.

Original language	American English
Pages (from-to)	2878-2882
Number of pages	5
Journal	Advanced Materials
Volume	26
Issue number	18
DOIs	https://doi.org/10.1002/adma.201305083 https://doi.org/10.1002/adma.201305083
State	Published - 2014

NLR Publication Number

NREL/JA-5900-62048

Keywords

density functional theory (DFT)
GaN alloys
photoelectrochemical water splitting
solar fuels

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@article{aad0686468594248a1b62b8878fdb289,

title = "New Visible Light Absorbing Materials for Solar Fuels, Ga(Sbx)N1-x",

abstract = "A novel visible-light-absorbing dilute alloy, Ga(Sbx)N 1-x is synthesized by metal organic chemical vapor deposition (MOCVD) for solar hydrogen production. Significant bandgap reduction of GaN, from 3.4 eV to 1.8 eV, is observed, with a low (2\%) incorporation of antimonide, and the lattice expansion is in agreement with our first-principles calculations. The band edges of Ga(Sbx)N1-x are found to straddle the water redox potentials showing excellent suitability for solar water splitting.",

keywords = "density functional theory (DFT), GaN alloys, photoelectrochemical water splitting, solar fuels",

author = "Swathi Sunkara and Vendra, \{Venkat Kalyan\} and Jasinski, \{Jacek Bogdan\} and Todd Deutsch and Andriotis, \{Antonis N.\} and Krishna Rajan and Madhu Menon and Mahendra Sunkara",

year = "2014",

doi = "10.1002/adma.201305083",

language = "American English",

volume = "26",

pages = "2878--2882",

journal = "Advanced Materials",

issn = "0935-9648",

publisher = "Wiley-Blackwell",

number = "18",

}

TY - JOUR

T1 - New Visible Light Absorbing Materials for Solar Fuels, Ga(Sbx)N1-x

AU - Sunkara, Swathi

AU - Vendra, Venkat Kalyan

AU - Jasinski, Jacek Bogdan

AU - Deutsch, Todd

AU - Andriotis, Antonis N.

AU - Rajan, Krishna

AU - Menon, Madhu

AU - Sunkara, Mahendra

PY - 2014

Y1 - 2014

N2 - A novel visible-light-absorbing dilute alloy, Ga(Sbx)N 1-x is synthesized by metal organic chemical vapor deposition (MOCVD) for solar hydrogen production. Significant bandgap reduction of GaN, from 3.4 eV to 1.8 eV, is observed, with a low (2%) incorporation of antimonide, and the lattice expansion is in agreement with our first-principles calculations. The band edges of Ga(Sbx)N1-x are found to straddle the water redox potentials showing excellent suitability for solar water splitting.

AB - A novel visible-light-absorbing dilute alloy, Ga(Sbx)N 1-x is synthesized by metal organic chemical vapor deposition (MOCVD) for solar hydrogen production. Significant bandgap reduction of GaN, from 3.4 eV to 1.8 eV, is observed, with a low (2%) incorporation of antimonide, and the lattice expansion is in agreement with our first-principles calculations. The band edges of Ga(Sbx)N1-x are found to straddle the water redox potentials showing excellent suitability for solar water splitting.

KW - density functional theory (DFT)

KW - GaN alloys

KW - photoelectrochemical water splitting

KW - solar fuels

UR - https://www.scopus.com/pages/publications/84900000678

U2 - 10.1002/adma.201305083

DO - 10.1002/adma.201305083

M3 - Article

AN - SCOPUS:84900000678

SN - 0935-9648

VL - 26

SP - 2878

EP - 2882

JO - Advanced Materials

JF - Advanced Materials

IS - 18

ER -

New Visible Light Absorbing Materials for Solar Fuels, Ga(Sbx)N1-x

Abstract

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Keywords

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