The p–n transformation and thermoelectric property optimization of Cu1+xFeSe2 (x = 0–0.05) alloys

2019 ◽  
Vol 7 (31) ◽  
pp. 9641-9647 ◽  
Author(s):  
Jinze Zhai ◽  
Hongchao Wang ◽  
Wenbin Su ◽  
Teng Wang ◽  
Fahad Mehmood ◽  
...  
Keyword(s):  
Thermoelectric Property ◽  
Thermoelectric Materials ◽  
Environmentally Friendly ◽  
N Transformation ◽  
Earth Abundant

CuFeSe2 alloys, containing earth-abundant and eco-friendly elements, are considered as environmentally friendly thermoelectric materials.

Recent theoretical progress in the development of photoanode materials for solar water splitting photoelectrochemical cells

2015 ◽  
Vol 3 (20) ◽  
pp. 10632-10659 ◽  
Author(s):  
Mahesh Datt Bhatt ◽  
Jae Sung Lee
Keyword(s):  
Energy Conversion ◽  
Water Splitting ◽  
Environmentally Friendly ◽  
Photoelectrochemical Cells ◽  
Important Goal ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Energy Conversion And Storage ◽  
Earth Abundant ◽  
And Storage

The search for earth-abundant materials that can be used in solar water splitting cells remains an important goal for affordable and environmentally friendly methods for energy conversion and storage.

High thermoelectric performance in low-cost SnS0.91Se0.09 crystals

Science ◽  
2019 ◽  
Vol 365 (6460) ◽  
pp. 1418-1424 ◽  
Author(s):  
Wenke He ◽  
Dongyang Wang ◽  
Haijun Wu ◽  
Yu Xiao ◽  
Yang Zhang ◽  
...  
Keyword(s):  
Thermoelectric Materials ◽  
High Performance ◽  
Carrier Mobility ◽  
Figure Of Merit ◽  
Toxic Elements ◽  
Low Cost ◽  
Thermoelectric Performance ◽  
Tin Sulfide ◽  
Temperature Dependent ◽  
Earth Abundant

Thermoelectric technology allows conversion between heat and electricity. Many good thermoelectric materials contain rare or toxic elements, so developing low-cost and high-performance thermoelectric materials is warranted. Here, we report the temperature-dependent interplay of three separate electronic bands in hole-doped tin sulfide (SnS) crystals. This behavior leads to synergistic optimization between effective mass (m*) and carrier mobility (μ) and can be boosted through introducing selenium (Se). This enhanced the power factor from ~30 to ~53 microwatts per centimeter per square kelvin (μW cm−1 K−2 at 300 K), while lowering the thermal conductivity after Se alloying. As a result, we obtained a maximum figure of merit ZT (ZTmax) of ~1.6 at 873 K and an average ZT (ZTave) of ~1.25 at 300 to 873 K in SnS0.91Se0.09 crystals. Our strategy for band manipulation offers a different route for optimizing thermoelectric performance. The high-performance SnS crystals represent an important step toward low-cost, Earth-abundant, and environmentally friendly thermoelectrics.

scholarly journals Achieving visible light-driven hydrogen evolution at positive bias with a hybrid copper–iron oxide|TiO2-cobaloxime photocathode

2020 ◽  
Vol 22 (10) ◽  
pp. 3141-3149
Author(s):  
C. Tapia ◽  
E. Bellet-Amalric ◽  
D. Aldakov ◽  
F. Boudoire ◽  
K. Sivula ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Solar Energy ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Circular Economy ◽  
Environmentally Friendly ◽  
Sustainable Production ◽  
Positive Bias ◽  
Earth Abundant ◽  
Visible Light Driven

H2 is an environmentally-friendly fuel that would allow for a circular economy but its sustainable production from solar energy and water using stable, efficient and scalable Earth-abundant materials, remains a challenge.

scholarly journals Efficient tri-metallic oxides NiCo2O4/CuO for the oxygen evolution reaction

RSC Advances ◽  
2019 ◽  
Vol 9 (72) ◽  
pp. 42387-42394 ◽  
Author(s):  
Abdul Qayoom Mugheri ◽  
Aneela Tahira ◽  
Umair Aftab ◽  
Adeel Liaquat Bhatti ◽  
Nusrat Naeem Memon ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Environmentally Friendly ◽  
Simple Approach ◽  
Alkaline Media ◽  
Metallic Oxides ◽  
Earth Abundant

In this study, a simple approach was used to produce nonprecious, earth abundant, stable and environmentally friendly NiCo2O4/CuO composites for the oxygen evolution reaction (OER) in alkaline media.

scholarly journals Computational prediction of the thermoelectric performance of LaZnOPn (Pn = P, As)

2020 ◽  
Vol 8 (16) ◽  
pp. 7914-7924 ◽  
Author(s):  
Maud Einhorn ◽  
Benjamin A. D. Williamson ◽  
David O. Scanlon
Keyword(s):  
Density Functional Theory ◽  
High Temperature ◽  
Thermoelectric Materials ◽  
Density Functional ◽  
State Of The Art ◽  
Computational Prediction ◽  
Thermoelectric Performance ◽  
Functional Theory ◽  
Earth Abundant ◽  
P Type

State-of-the-art density functional theory is used to demonstrate that LaZnOP and LaZnOAs have great potential as earth-abundant p-type thermoelectric materials for high-temperature applications.

scholarly journals Earth-Abundant and Non-Toxic SiX (X = S, Se) Monolayers as Highly Efficient Thermoelectric Materials

2017 ◽  
Vol 121 (1) ◽  
pp. 123-128 ◽  
Author(s):  
Ji-Hui Yang ◽  
Qinghong Yuan ◽  
Huixiong Deng ◽  
Su-Huai Wei ◽  
Boris I. Yakobson
Keyword(s):  
Thermoelectric Materials ◽  
Highly Efficient ◽  
Earth Abundant

Environmentally friendly and earth-abundant colloidal chalcogenide nanocrystals for photovoltaic applications

2018 ◽  
Vol 6 (3) ◽  
pp. 414-445 ◽  
Author(s):  
Huiying Fu
Keyword(s):  
Solar Cells ◽  
Environmentally Friendly ◽  
Recent Advances ◽  
Photovoltaic Applications ◽  
Earth Abundant

A review of recent advances in the synthesis of environmentally friendly and earth-abundant colloidal chalcogenide nanocrystals for solar cells.

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