Zichao Lian

University of Shanghai for Science and Technology

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Jiangzhi Zi

University of Shanghai for Science and Technology

Hexing Li

Shanghai Normal University

Guisheng Li

Shanghai Normal University

Masanori Sakamoto

Osaka University

Yueqi Zhong

University of Shanghai for Science and Technology

Han Xiao

Kunming University of Science and Technology

Xue Luan

University of Shanghai for Science and Technology

Fangfang Gao

University of Shanghai for Science and Technology

Dieqing Zhang

Shanghai Normal University

Yupeng Yang

University of Shanghai for Science and Technology

Cooperative Institutions

University of Shanghai for Science and Technology

Chinese Academy of Sciences

Shanghai Normal University

Shanghai Jiao Tong University

Kyoto University

Tsinghua University

Zhejiang University

University of Hong Kong

University of Science and Technology of China

Ministry of Education of the People's Republic of China

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C₆₀-Decorated CdS/TiO₂ Mesoporous Architectures with Enhanced Photostability and Photocatalytic Activity for H₂ Evolution

ACS Applied Materials & Interfaces (2015)

Zichao Lian Pengpeng Xu Wenchao Wang Dieqing Zhang Shuning Xiao

Fullerene (C60) enhanced mesoporous CdS/TiO2 architectures were fabricated by an evaporation induced self-assembly route together with an ion-exchanged method. C60 clusters were incorporated into the pore wall of mesoporous CdS/TiO2 with the formation of C60 enhanced CdS/TiO2 hybrid architectures, for achieving the enhanced photostability and photocatalytic activity in H2 evolution under visible-light irradiation. Such greatly enhanced photocatalytic performance and photostability could be due to the strong combination and heterojunctions between C60 and CdS/TiO2. The as-formed C60 cluster protection layers in the CdS/TiO2 framework not only improve the light absorption capability, but also greatly accelerated the photogenerated electron transfer to C60 clusters for H2 evolution.

Visible spectrum

10.1021/am5088665

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Citations (146)

Modulation of electronic density in ultrathin g-C3N4 for enhanced photocatalytic hydrogen evolution through an efficient hydrogen spillover pathway

Applied Catalysis B Environment and Energy (2023)

Fangfang Gao Han Xiao Jiarui Yang Xue Luan Duoduo Fang

Graphitic carbon nitride

Photocatalytic water splitting

10.1016/j.apcatb.2023.123334

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Citations (46)

Tuning Plasmonic P–N Junction for Efficient Infrared-Light-Responsive Hydrogen Evolution

SSRN Electronic Journal (2022)

Zichao Lian Fan Wu Yueqi Zhong Jiangzhi Zi Zhao Li

Infrared (IR) light, which occupies almost half of all solar energy has been an untapped energy source up to date. The solar fuel production using the IR region of light hold the key to full utilization of solar energy. The localized surface plasmon resonance (LSPR), which is tunable by the size, composition, doping ratios, is a promising phenomenon realizing the light-harvesting ability in the IR region. Here, we report the IR-responsive photocatalyst composed of CdS and plasmonic Cu9S5, which break the record of IR-light induced photocatalytic hydrogen evolution reaction (apparent quantum yield = 4.4 % at 1100 nm). Based on the simulation of the energy band at the p−n junction between plasmonic Cu9S5 and CdS, the careful tuning of the CdS domain size archived the record-breaking photocatalytic activity. The optimization of the “plasmonic” p–n junction is a key for a highly efficient IR-responsive photocatalyst.

10.2139/ssrn.4156089

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Photogenerated Defect‐Transit Dual S‐Scheme Charge Separation for Highly Efficient Hydrogen Production

Advanced Functional Materials (2023)

Xue Luan Ziqi Yu Jiangzhi Zi Fangfang Gao Zichao Lian

Abstract The rational design of a step‐scheme (S‐scheme) heterojunctions in hybrid semiconductors by avoiding unwanted charge transport paths is considered as an attractive way to achieve high photocatalytic activity in hydrogen evolution reaction (HER). Here, a dual S‐scheme heterojunction formed in the lychee‐shaped W 18 O 49 /CdWO 4 /CdS nanostructures is proposed for improving the photocatalytic performance in HER under visible light irradiation. The remarkable activity in photocatalytic HER of W 18 O 49 /CdWO 4 /CdS is attributed to the unique structure and effective charge separation by the photoinduced defect‐transit dual S‐scheme mechanism and strong internal electric field. The measurements of X‐ray photoelectron spectroscopy (XPS), femtosecond transient absorption (fs‐TA) spectroscopy, and electron paramagnetic resonance (EPR) further confirm the photoinduced carrier transfer pathways following the dual S‐scheme mechanism. This research can provide a new strategy for designing the dual S‐scheme heterojunctions to improve photocatalytic performance through the defect band structure engineering.

Charge carrier

10.1002/adfm.202304259

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Citations (55)

Photogenerated hole traps in metal-organic-framework photocatalysts for visible-light-driven hydrogen evolution

Communications Chemistry (2022)

Zichao Lian Zhao Li Fan Wu Yueqi Zhong Yunni Liu

Abstract Efficient electron-hole separation and carrier utilization are key factors in photocatalytic systems. Here, we use a metal-organic framework (NH 2 -UiO-66) modified with inner platinum nanoparticles and outer cadmium sulfide (CdS) nanoparticles to construct the ternary composite Pt@NH 2 -UiO-66/CdS, which has a spatially separated, hierarchical structure for enhanced visible-light-driven hydrogen evolution. Relative to pure NH 2 -UiO-66, Pt@NH 2 -UiO-66, and NH 2 -UiO-66/CdS samples, the Pt@NH 2 -UiO-66/CdS composite exhibits much higher hydrogen yields with an apparent quantum efficiency of 40.3% at 400 nm irradiation and stability over the most MOF-based photocatalysts. Transient absorption measurements reveal spatial charge-separation dynamics in the composites. The catalyst’s high activity and durability are attributed to charge separation following an efficient photogenerated hole-transfer band-trap pathway. This work holds promise for enhanced MOF-based photocatalysis using efficient hole-transfer routes.

Visible spectrum

Charge carrier

Noble metal

Cadmium sulfide

10.1038/s42004-022-00713-4

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Plasmonic p–n Junction for Infrared Light to Chemical Energy Conversion

Journal of the American Chemical Society (2018)

Zichao Lian Masanori Sakamoto Junie Jhon M. Vequizo Chandana Sampath Kumara Ranasinghe Akira Yamakata

Infrared (IR) light represents an untapped energy source accounting for almost half of all solar energy. Thus, there is a need to develop systems to convert IR light to fuel and make full use of this plentiful resource. Herein, we report photocatalytic H2 evolution driven by near- to shortwave-IR light (up to 2500 nm) irradiation, based on novel CdS/Cu7S4 heterostructured nanocrystals. The apparent quantum yield reached 3.8% at 1100 nm, which exceeds the highest efficiencies achieved by IR light energy conversion systems reported to date. Spectroscopic results revealed that plasmon-induced hot-electron injection at p-n heterojunctions realizes exceptionally long-lived charge separation (>273 μs), which results in efficient IR light to hydrogen conversion. These results pave the way for the exploration of undeveloped low-energy light for solar fuel generation.

Energy transformation

Chemical energy

Quantum yield

10.1021/jacs.8b11544

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Ultrathin ZnIn2S4/ZnSe heteronanosheets with modulated S-scheme enable high efficiency of visible-light-responsive photocatalytic hydrogen evolution

Applied Catalysis B Environment and Energy (2023)

Yueqi Zhong Mengyuan Li Xue Luan Fangfang Gao Hanxiang Wu

Charge carrier

10.1016/j.apcatb.2023.122859

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Direct Observation of Z‐Scheme Route in Cu₃₁S₁₆/Zn_xCd_1‐xS Heteronanoplates for Highly Efficient Photocatalytic Hydrogen Evolution

Small (2024)

Zichao Lian Minghan Qu Han Xiao Lihui Wang Hanxiang Wu

Abstract Although photocatalytic hydrogen production from water holds great potential as a renewable and sustainable energy alternative, the practical application of the technology demands cost‐effective, simple photocatalytic systems with high efficiency in hydrogen evolution reaction (HER). Herein, the synthesis and characterization of Cu 31 S 16 /Zn x Cd 1‐x S heterostructured nanoplates (Cu 31 S 16 /ZnCdS HNPs) as a high photocatalytic system are reported. The cost‐effective, hierarchical structures are easily prepared using the Cu 31 S 16 NPs as the seed by the epitaxial growth of the ZnCdS nanocrystals (NCs). The Cu 31 S 16 /ZnCdS without the noble metal cocatalyst exhibits a high HER rate of 61.7 mmol g −1 h −1 , which is 8,014 and 17 times higher than that of Cu 31 S 16 and ZnCdS, respectively, under visible light irradiation. The apparent quantum yield (AQY) of Cu 31 S 16 /ZnCdS reaches 67.9% at 400 nm with the highest value so far in the reported ZnCdS‐based photocatalysts. The excellent activity and stability of the Cu 31 S 16 /ZnCdS are attributed to the formation of a strong internal electric field (IEF) and the Z‐scheme pathway. The comprehensive experiments and theoretical calculations provide the direct evidences of the Z‐scheme route. This work may offer a way for the design and development of efficient photocatalysts to achieve solar‐to‐chemical energy conversion at a practically useful level.

Quantum yield

10.1002/smll.202400611

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Citations (6)

Polarization Field Promoted Photoelectrocatalysis for Synergistic Environmental Remediation and H2 Production

SSRN Electronic Journal (2021)

Yunni Liu Qian Li Zichao Lian Jinchen Fan Ying Tao

Polarization field introduced photoelectrocatalytic system has been raised and applied for environmental purification and green fuel generation. Herein, we synthesized the Ag 2 O/TiO 2 nanotubes arrays (TNTs) p - n heterojunction photoanodes and innovatively introduced the SrTiO 3 (STO) as a relay to construct a highly stable PEC system. The SrTiO 3 layers with the ferroelectric properties were inserted in the interfaces between p-Ag 2 O and n-TiO 2 , creating a charge-stable polarized electric field thereby maintaining a constant driving force that promoted the effctive separation of electron and hole between SrTiO 3 and TNTs, and prevented the electron transfer from SrTiO 3 to Ag 2 O. Controlling suitable annealing and regulating hydrothermal time could induce SrTiO 3 spontaneous polarization, resulting in effective photoinduced charge separation. Consequently, the as-designed TNTs/STO/Ag 2 O photoanodes exhibited excellent PEC activity and stability (> 40 h) for both persistent organic pollutants degradation and synergistic hydrogen evolution owing to the strengthened charge carrier capture ability of solar light and improved photocurrent density.

10.2139/ssrn.3982962

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Citations (3)

Highly Sensitive Humidity Sensor Based on NaCl-BiFeO₃ for Noncontact Sensing

ACS Applied Electronic Materials (2025)

J. Pan Yunsong Li Tian Tian Zilong Tang Zichao Lian

10.1021/acsaelm.4c02131

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