Matched micro-geometrical configuration leading to hetero-interfacial intimate contact of MoS2@UiO-66-NH2 Z-scheme heterojunction for efficient photocatalytic CO2 reduction

异质结 材料科学 光催化 光电效应 密度泛函理论 吸收(声学) 选择性 复合数 化学工程 纳米技术 光电子学 计算化学 复合材料 化学 催化作用 生物化学 工程类
作者
Xin Yang,Tianyu Wang,Huiyang Ma,Weiliang Shi,Zhengqiang Xia,Qi Yang,Pan Zhang,Ren Ma,Gang Xie,Sanping Chen
出处
期刊:Journal of Materials Science & Technology [Elsevier BV]
卷期号:182: 210-219 被引量:7
标识
DOI:10.1016/j.jmst.2023.10.021
摘要

Z-scheme heterojunction is an effective strategy in photocatalysis, when hetero-interfacial intimate contact is the center of high-performance Z-scheme heterojunction structure. Here, x-MoS2 [x = plate (p), flower (f), and solid sphere (s)] with extensive optical absorption and high conductivity and stable UiO-66-NH2(y) (y = 100, 300, and 500 nm) with rich Lewis's acid sites were integrated to a series of x-MoS2@UiO-66-NH2(y) Z-scheme heterojunctions, which were fully characterized and used for photocatalytic reduction of CO2 (pCO2RR) into CH4 and CO. In response to the difficult modification of MoS2 and loose contact of composite bulk materials, the micro-geometric configurations on the size of UiO-66-NH2 and the morphology of MoS2 were optimized to achieve an intimate contact. The Z-scheme heterojunction f-MoS2@UiO-66-NH2 (100 nm) with perfectly matched micro-geometric configuration exhibited an excellent electron consumption rate (Rele) of 263.78 μmol g–1 h–1 and a high CH4 yield of 27.18 μmol g–1 h–1 with a selectivity of 82.44%, being far superior to most MoS2- and MOFs-based heterojunctions. Comprehensive investigations with extensive photoelectric characterizations, control experiments, and density functional theory (DFT) calculations demonstrate that the excellent photocatalytic performance of f-MoS2@UiO-66-NH2 (100 nm) could be attributed to that (i) the low size of UiO-66-NH2 strengthens mutual alignment and increases outer surface to maximize heterointerface contact with MoS2, accelerating the interfacial charge transfer; (ii) the hierarchical structure of f-MoS2 with optimal basal plane curvature greatly reduces contact barriers to present a high charge throughput with a charge excitation rate of 1.967 mV, smooth initiating the 8-electron CO2 methanation. Additionally, the durability of f-MoS2@UiO-66-NH2 (100 nm) was also investigated.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
刚刚
yier发布了新的文献求助10
1秒前
2秒前
3秒前
Glufo发布了新的文献求助10
4秒前
YamDaamCaa应助NeilGu采纳,获得30
4秒前
英姑应助予安采纳,获得10
6秒前
xx发布了新的文献求助10
6秒前
FashionBoy应助魏为维采纳,获得10
7秒前
leo完成签到,获得积分10
8秒前
14秒前
阳光海云完成签到,获得积分10
15秒前
15秒前
小李完成签到,获得积分10
16秒前
无限曲奇发布了新的文献求助10
19秒前
所所应助端庄涟妖采纳,获得10
20秒前
21秒前
CodeCraft应助夕音采纳,获得10
21秒前
kjz完成签到 ,获得积分10
21秒前
情怀应助坦率的寻双采纳,获得10
22秒前
SciGPT应助无限曲奇采纳,获得10
24秒前
深情安青应助wangli采纳,获得10
24秒前
量子星尘发布了新的文献求助10
25秒前
石桥完成签到,获得积分10
25秒前
魏少爷发布了新的文献求助10
27秒前
橘橙色完成签到,获得积分20
27秒前
澡雪发布了新的文献求助10
28秒前
swift3t完成签到,获得积分10
29秒前
31秒前
32秒前
胡言乱语完成签到,获得积分10
33秒前
cllg发布了新的文献求助10
35秒前
fanhaonan发布了新的文献求助10
35秒前
35秒前
35秒前
wangli完成签到,获得积分10
36秒前
613完成签到,获得积分10
36秒前
橘橙色发布了新的文献求助30
38秒前
40秒前
酸奶烤着吃完成签到,获得积分10
40秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 700
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3975543
求助须知:如何正确求助?哪些是违规求助? 3519971
关于积分的说明 11200248
捐赠科研通 3256311
什么是DOI,文献DOI怎么找? 1798213
邀请新用户注册赠送积分活动 877446
科研通“疑难数据库(出版商)”最低求助积分说明 806338