Tuning Germanane Band Gaps via Cyanoethyl Functionalization for Cutting-Edge Photoactive Cathodes: Photoenhanced Hybrid Zinc-Ion Capacitor Evaluation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F24%3A43929958" target="_blank" >RIV/60461373:22310/24:43929958 - isvavai.cz</a>

Výsledek na webu

<a href="https://pubs.acs.org/doi/full/10.1021/acsami.3c17420" target="_blank" >https://pubs.acs.org/doi/full/10.1021/acsami.3c17420</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acsami.3c17420" target="_blank" >10.1021/acsami.3c17420</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tuning Germanane Band Gaps via Cyanoethyl Functionalization for Cutting-Edge Photoactive Cathodes: Photoenhanced Hybrid Zinc-Ion Capacitor Evaluation

Popis výsledku v původním jazyce

Energy harvesting and storing by dual-functional photoenhanced (photo-E) energy storage devices are being developed to battle the current energy hassles. In this research work, our investigations on the photoinduced efficiency of germanane (Ge-H) and its functionalized analogue cyanoethyl (Ge-C-2-CN) are assessed as photocathodes in photo-E hybrid zinc-ion capacitors (ZICs). The evaluated self-powered photodetector devices made by these germanene-based samples revealed effective performances in photogenerated electrons and holes. The photo-E ZICs findings provided a photoinduced capacitance enhancement of similar to 52% (for Ge-H) and similar to 26% (for Ge-C-2-CN) at a scan rate of 10 mV s(-1) under 100 mW cm(-2) illumination with 435 nm wavelength. Further characterizations demonstrated that the photo-E ZIC with Ge-C-2-CN supply higher specific capacitance (similar to 6000 mF g(-1)), energy density (similar to 550 mWh kg(-1)), and power density (similar to 31,000 mW kg(-1)), compared to the Ge-H. In addition, capacitance retention of photo-E ZIC with Ge-C-2-CN is similar to 91% after 3000 cycles which is almost 6% greater than Ge-H. Interestingly, the photocharging voltage response in photo-E ZIC made by Ge-C-2-CN is 1000 mV, while the photocharging voltage response with Ge-H is approximately 970 mV. The observed performances in Ge-H-based photoactive cathodes highlight the pivotal role of such two-dimensional materials to be applied as single architecture in new unconventional energy storage systems. They are particularly noteworthy when compared to the other advanced photo-E supercapacitors and could even be enhanced greatly with other suitable inorganic and organic functional precursors.

Název v anglickém jazyce

Tuning Germanane Band Gaps via Cyanoethyl Functionalization for Cutting-Edge Photoactive Cathodes: Photoenhanced Hybrid Zinc-Ion Capacitor Evaluation

Popis výsledku anglicky

Energy harvesting and storing by dual-functional photoenhanced (photo-E) energy storage devices are being developed to battle the current energy hassles. In this research work, our investigations on the photoinduced efficiency of germanane (Ge-H) and its functionalized analogue cyanoethyl (Ge-C-2-CN) are assessed as photocathodes in photo-E hybrid zinc-ion capacitors (ZICs). The evaluated self-powered photodetector devices made by these germanene-based samples revealed effective performances in photogenerated electrons and holes. The photo-E ZICs findings provided a photoinduced capacitance enhancement of similar to 52% (for Ge-H) and similar to 26% (for Ge-C-2-CN) at a scan rate of 10 mV s(-1) under 100 mW cm(-2) illumination with 435 nm wavelength. Further characterizations demonstrated that the photo-E ZIC with Ge-C-2-CN supply higher specific capacitance (similar to 6000 mF g(-1)), energy density (similar to 550 mWh kg(-1)), and power density (similar to 31,000 mW kg(-1)), compared to the Ge-H. In addition, capacitance retention of photo-E ZIC with Ge-C-2-CN is similar to 91% after 3000 cycles which is almost 6% greater than Ge-H. Interestingly, the photocharging voltage response in photo-E ZIC made by Ge-C-2-CN is 1000 mV, while the photocharging voltage response with Ge-H is approximately 970 mV. The observed performances in Ge-H-based photoactive cathodes highlight the pivotal role of such two-dimensional materials to be applied as single architecture in new unconventional energy storage systems. They are particularly noteworthy when compared to the other advanced photo-E supercapacitors and could even be enhanced greatly with other suitable inorganic and organic functional precursors.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ACS Applied Materials &amp; Interfaces

ISSN

1944-8244

e-ISSN

1944-8252

Svazek periodika

16

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

20

Strana od-do

14722-14741

Kód UT WoS článku

001187271700001

EID výsledku v databázi Scopus

2-s2.0-85188074292