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| 001 | 634808 | ||
| 005 | 20250825212459.0 | ||
| 024 | 7 | _ | |a 10.1021/acsmaterialslett.5c00178 |2 doi |
| 037 | _ | _ | |a PUBDB-2025-02629 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 540 |
| 100 | 1 | _ | |a Roy, Raj Sekhar |0 P:(DE-H253)PIP1099185 |b 0 |
| 245 | _ | _ | |a Layer Width Engineering in Carbon Nitride for Enhanced Exciton Dissociation and Solar Fuel Generation |
| 260 | _ | _ | |a Washington, DC |c 2025 |b ACS Publications |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Photocatalytic H2 and H2O2 production using graphitic carbon nitride (g-C3N4) offers promising renewable energy prospects but suffers from rapid exciton recombination, which can be mitigated by K+-insertion-driven enhanced interlayer electron–hole separation. However, limited K+ insertion remains a bottleneck due to inadequate ion-insertion channels. Herein, we present an engineered g-C3N4 with expanded layer widths for facile ion diffusion, increasing K+ insertion by >250%. This leads to significant layer contraction post K+ insertion (∼3%, 1.5 times larger than before) due to stronger electrostatic attraction, resulting in weaker exciton binding energy (91 meV, ∼57% diminished), near-complete suppression of photoluminescence, and doubling of excited-state electron lifetime as revealed by femtosecond decay kinetics. These improvements led to ∼25 and ∼140 times increments over bare g-C3N4 in H2 and H2O2 production rates, respectively, under visible light. Considering the earth-abundant constituents of g-C3N4, our work establishes a novel design strategy for a highly active, sustainable photocatalyst. |
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| 700 | 1 | _ | |a Sil, Supriya |b 1 |
| 700 | 1 | _ | |a Mishra, Samita |b 2 |
| 700 | 1 | _ | |a Banoo, Maqsuma |b 3 |
| 700 | 1 | _ | |a Swarnkar, Abhishek |0 0000-0001-7074-2729 |b 4 |
| 700 | 1 | _ | |a Kommula, Bramhaiah |0 0000-0002-8302-4109 |b 5 |
| 700 | 1 | _ | |a De, Arijit K. |0 0000-0002-5938-2766 |b 6 |
| 700 | 1 | _ | |a Gautam, Ujjal |0 P:(DE-H253)PIP1085398 |b 7 |e Corresponding author |
| 773 | _ | _ | |a 10.1021/acsmaterialslett.5c00178 |g Vol. 7, no. 4, p. 1385 - 1393 |0 PERI:(DE-600)3004109-0 |n 4 |p 1385 - 1393 |t ACS materials letters |v 7 |y 2025 |x 2639-4979 |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/634808/files/roy-et-al-2025-layer-width-engineering-in-carbon-nitride-for-enhanced-exciton-dissociation-and-solar-fuel-generation.pdf |y Restricted |
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