Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x
ABSTRACT Photocatalytic biomass valorization toward multicarbon chemicals holds promise for sustainable energy solutions. Nevertheless, this approach suffers from dual challenges: inherent instability of polyhydroxy intermediates and inefficient formic acid production under ambient conditions. Here,...
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| Format: | Article |
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Wiley
2025-08-01
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| Series: | Energy Science & Engineering |
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| Online Access: | https://doi.org/10.1002/ese3.70157 |
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| author | Zhangyang Li Chunling Wang Daoping He Fangming Jin |
| author_facet | Zhangyang Li Chunling Wang Daoping He Fangming Jin |
| author_sort | Zhangyang Li |
| collection | DOAJ |
| description | ABSTRACT Photocatalytic biomass valorization toward multicarbon chemicals holds promise for sustainable energy solutions. Nevertheless, this approach suffers from dual challenges: inherent instability of polyhydroxy intermediates and inefficient formic acid production under ambient conditions. Here, we demonstrated that a TiO2‐x photocatalyst with oxygen vacancies can effectively catalyze the transformation of glucose into arabinose, erythrose, and formic acid using O2 as an oxidant in pure water under natural sunlight irradiation. The C1−OH group of glucose adsorbed on the oxygen vacancies of TiO2‐x undergoes photo‐induced hole oxidation, leading to the formation of gluconolactone‐TiO2‐x as a new motif. Subsequent cleavage of bonds by ·OOH radicals generated from oxygen reduction produces arabinose, erythrose, and formic acid. The oxygen vacancy strategy achieves a remarkable 53.9% yield for glucose oxidation, which exhibits 10.8‐fold enhancement compared to that of conventional TiO2 without oxygen vacancies, thereby opening new avenues for developing efficient photocatalytic systems for sustainable biomass valorization. |
| format | Article |
| id | doaj-art-790e74913986417bb9986008b9aeb937 |
| institution | Kabale University |
| issn | 2050-0505 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Wiley |
| record_format | Article |
| series | Energy Science & Engineering |
| spelling | doaj-art-790e74913986417bb9986008b9aeb9372025-08-20T04:02:32ZengWileyEnergy Science & Engineering2050-05052025-08-011384101411310.1002/ese3.70157Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐xZhangyang Li0Chunling Wang1Daoping He2Fangming Jin3School of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai ChinaSchool of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai ChinaChina‐UK Low Carbon College Shanghai Jiao Tong University Shanghai ChinaSchool of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai ChinaABSTRACT Photocatalytic biomass valorization toward multicarbon chemicals holds promise for sustainable energy solutions. Nevertheless, this approach suffers from dual challenges: inherent instability of polyhydroxy intermediates and inefficient formic acid production under ambient conditions. Here, we demonstrated that a TiO2‐x photocatalyst with oxygen vacancies can effectively catalyze the transformation of glucose into arabinose, erythrose, and formic acid using O2 as an oxidant in pure water under natural sunlight irradiation. The C1−OH group of glucose adsorbed on the oxygen vacancies of TiO2‐x undergoes photo‐induced hole oxidation, leading to the formation of gluconolactone‐TiO2‐x as a new motif. Subsequent cleavage of bonds by ·OOH radicals generated from oxygen reduction produces arabinose, erythrose, and formic acid. The oxygen vacancy strategy achieves a remarkable 53.9% yield for glucose oxidation, which exhibits 10.8‐fold enhancement compared to that of conventional TiO2 without oxygen vacancies, thereby opening new avenues for developing efficient photocatalytic systems for sustainable biomass valorization.https://doi.org/10.1002/ese3.70157formic acidglucose conversionoxygen vacanciesphotocatalysis |
| spellingShingle | Zhangyang Li Chunling Wang Daoping He Fangming Jin Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x Energy Science & Engineering formic acid glucose conversion oxygen vacancies photocatalysis |
| title | Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x |
| title_full | Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x |
| title_fullStr | Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x |
| title_full_unstemmed | Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x |
| title_short | Boosting Photocatalytic Conversion of Glucose by Constructing Oxygen Vacancies in TiO2‐x |
| title_sort | boosting photocatalytic conversion of glucose by constructing oxygen vacancies in tio2 x |
| topic | formic acid glucose conversion oxygen vacancies photocatalysis |
| url | https://doi.org/10.1002/ese3.70157 |
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