Pyridine-Terminated Conjugated Organic Molecules as an Interfacial Hole Transfer Bridge for NiOx-Based Perovskite Solar Cells

H Cheng, Y Li, G Zhao, K Zhao… - ACS applied materials & …, 2019 - ACS Publications
To engineer the NiO x /perovskite interface and promote interfacial hole transfer, two
pyridine-terminated conjugated small organic molecules (PTZ-1 and PTZ-2) are synthesized to link …

Atomic Layer Deposition of SnO2 as an Electron Transport Material for Solid-State P-type Dye-Sensitized Solar Cells

H Cheng, Y Liu, B Cai, C Hagglund… - ACS Applied Energy …, 2022 - ACS Publications
Tin oxide (SnO 2 ) as an electron transport material was prepared by atomic layer deposition
in dye-sensitized NiO films to fabricate solid-state p-type dye-sensitized solar cells using …

Towards cost-efficient and stable perovskite solar cells and modules: utilization of self-assembled monolayers

H Cheng, Y Li, Y Zhong - Materials Chemistry Frontiers, 2023 - pubs.rsc.org
Perovskite solar cells (PSCs) have attracted extensive attention in recent years due to their
advantages such as low cost and flexibility. However, the serious charge recombination at …

Core-sheath paraffin-wax-loaded nanofibers by electrospinning for heat storage

…, X Xiao, Y Zhan, C Huan, S Qi, H Cheng… - ACS applied materials …, 2018 - ACS Publications
Paraffin wax (PW) is widely used for smart thermoregulation materials due to its good
thermal performance. However, the leakage and low thermal conductivity of PW hinder its …

An imidazolium iodide salt as a bifunctional co-adsorbent for quasi-solid-state dye-sensitized solar cells: improvements of electron lifetime and charge collection …

H Cheng, M Wang, Y Li, G Zhao… - Journal of Materials …, 2019 - pubs.rsc.org
To promote dye regeneration, 1,2-dimethyl-3-acetyl-imidazolium iodide (DMA-II) is synthesized
and applied as a bifunctional co-adsorbent for quasi-solid-state dye-sensitized solar cells…

Synthesis and photovoltaic performance of the porphyrin based sensitizers with 2H-[1, 2, 3] triazolo [4, 5-c] pyridine and benzotriazole as auxiliary acceptors

HL Cheng, ZS Huang, L Wang, H Meier, D Cao - Dyes and Pigments, 2017 - Elsevier
Two novel zinc porphyrin dyes containing either benzotriazole or 2H-[1,2,3]triazolo[4,5-c]pyridine
as auxiliary acceptors, respectively, were synthesized for dye-sensitized solar cells. …

Bromine-Substituted Indolo[3,2-b]carbazole-Based Small Organic Molecules as Dopant-Free Hole-Transporting Layers for Inverted Perovskite Solar Cells

H Cheng - Energy & Fuels, 2024 - ACS Publications
In this paper, three indolo[3,2-b]carbazole-based small organic molecules (ICZ, ICZ-2Br, and
ICZ-4Br) are rapidly synthesized and used as dopant-free hole transport layers (HTLs) for …

One-step hydrothermal synthesis of V 1− x W x O 2 (M/R) nanorods with superior doping efficiency and thermochromic properties

R Chen, L Miao, H Cheng, E Nishibori, C Liu… - Journal of Materials …, 2015 - pubs.rsc.org
Pure phase V1−xWxO2(M/R) nanorods with superb metal–insulator transition properties
were obtained in tungsten (W)-doped level ranges from 0.5 to 2.0 at% using a one-step …

Unifying crystal growth and defect passivation in photovoltaic perovskites: The impact of molecular coordinating strength

F Qiu, H Cheng, P Mao, W Bi, S Xing, B Wang… - ACS Energy …, 2024 - ACS Publications
Perovskite solar cells (PSCs) are attractive due to their fast-increasing device efficiency, yet
their further improvement is limited by their suboptimal morphology and intrinsic defects. To …

Assessing the effect of surface states of mesoporous NiO films on charge transport and unveiling an unexpected light response phenomenon in tandem dye-sensitized …

H Cheng, M Ayaz, S Wrede, G Boschloo… - Energy …, 2022 - pubs.rsc.org
In this paper, the role of NiO surface states is assessed in a tandem dye-sensitized solar cell
(t-DSSC) consisting of a 4-(Bis-{4-[5-(2,2-dicyano-vinyl)-thiophene-2-yl]-phenyl}-amino)-…